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Contents
- The climate of Sterling
- The best time to visit Sterling
- The worst time to visit Sterling
- Spring weather in Sterling
- Summer weather in Sterling
- Autumn weather in Sterling
- Winter weather in Sterling
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Sterling
Sterling, located in Northeastern Colorado, possesses a Mid-latitude steppe climate, under the Köppen climate classification BSk. This climate type is defined by moderate rainfall spread equally throughout the year and a wide range in temperature, from cold winters to hot summers.
The variance in climate can be observed in the monthly averages provided. Peak temperatures occur in July, reaching up to 88.5°F (31.4°C), whereas in January, temperatures can drop to a low of 23.9°F (-4.5°C). This wide thermal amplitude indicates the influence of the continental climate, in line with Sterling's geographical position.
Relative humidity in Sterling varies, with drier months observed during September to November, where humidity drops to levels below 50%. On the contrary, the months with higher humidity levels are January and February, when levels can reach 65%. These humidity fluctuations can have a vital impact on perceived temperature, intensifying cold or hot conditions.
Rainfall in Sterling shows a significant increase from a mere 0.35" (9mm) in January to its peak in May at 2.95" (75mm). However, the rainfall days present a somewhat constant pattern, with the highest number of rainy days observed in May at 17.3 days, closely followed by July at 16.4 days. Snowfall is more frequent during the winter months, with January having a maximum at 1.77" (45mm).
Moreover, daylight hours increase from 9.7 hours in January to a high of 15 hours in June. Similarly, sunshine sees its peak in June and July offering around 11.7 hours of daylight.
The variance in climate can be observed in the monthly averages provided. Peak temperatures occur in July, reaching up to 88.5°F (31.4°C), whereas in January, temperatures can drop to a low of 23.9°F (-4.5°C). This wide thermal amplitude indicates the influence of the continental climate, in line with Sterling's geographical position.
Relative humidity in Sterling varies, with drier months observed during September to November, where humidity drops to levels below 50%. On the contrary, the months with higher humidity levels are January and February, when levels can reach 65%. These humidity fluctuations can have a vital impact on perceived temperature, intensifying cold or hot conditions.
Rainfall in Sterling shows a significant increase from a mere 0.35" (9mm) in January to its peak in May at 2.95" (75mm). However, the rainfall days present a somewhat constant pattern, with the highest number of rainy days observed in May at 17.3 days, closely followed by July at 16.4 days. Snowfall is more frequent during the winter months, with January having a maximum at 1.77" (45mm).
Moreover, daylight hours increase from 9.7 hours in January to a high of 15 hours in June. Similarly, sunshine sees its peak in June and July offering around 11.7 hours of daylight.
The best time to visit Sterling
Considering both temperature and rainfall averages, the ideal time to visit Sterling, Colorado, would be from late spring to early fall, particularly between May to September. During this period, the weather is generally fair, with average high temperatures ranging from 59.7°F (15.4°C) in April to 82.6°F (28.1°C) in June.
The weather during these months is usually suitable for outdoor activities, due to low likelihood of rain and a pleasant range of temperatures. However, one should be prepared for occasional downpours, considering the highest rainfall is observed in May with 2.95" (75mm).
The weather during these months is usually suitable for outdoor activities, due to low likelihood of rain and a pleasant range of temperatures. However, one should be prepared for occasional downpours, considering the highest rainfall is observed in May with 2.95" (75mm).
The worst time to visit Sterling
The coldest months of the year, specifically from December to February, are considered the least favorable time to visit Sterling. The average low temperature drops to 23°F (-5°C) in January, accompanied by snowfall up to 1.77" (45mm). Besides the unfriendly cold, shorter daylight hours, ranging from 9.3 to 10.7 hours, further decrease the appeal of this season for tourism.
Spring weather in Sterling
Spring in Sterling begins with a gradual rise in temperature from an average high of 53.8°F (12.1°C) in March to 68.9°F (20.5°C) in May. Rainfall sees a significant increase, reaching its peak at 2.95" (75mm) in May. While the increase in rainfall might require carrying an umbrella, the spring months also bring in longer daylight hours and sunnier days.
Summer weather in Sterling
Summers in Sterling are generally warm, with average temperatures soaring to a high of 88.5°F (31.4°C) in July, the hottest month of the year. Despite the high temperatures, humidity levels remain moderately low, leading to somewhat comfortable conditions. Rainfall is relatively persistently distributed across the summer months, with an average of around 2.1" (53mm).
Autumn weather in Sterling
From September to November, the temperature begins to decrease, dropping from a high of 78.8°F (26°C) in September to an average high of 50°F (10°C) in November. Rainfall diminishes from 1.02" (26mm) in October to 0.47" (12mm) in November. The autumn months also bring shorter daylight hours, albeit with generally clear skies and mild daytime temperatures.
Winter weather in Sterling
Winter in Sterling is typically cold, with high temperatures averaging 37.8°F (3.2°C) in December and dropping to the lowest point of 23.9°F (-4.5°C) in January. Snowfall increases during these months, with January witnessing the highest snowfall of 1.77" (45mm). Despite lower temperatures, humidity levels are relatively high, resulting in a feel of intensifying coldness.
Weather in January
The weather in Sterling, Colorado begins the year with the coldest temperatures. Comparatively, January experiences lower temperatures in relation to December and February. High humidity of 65% contributes to creating a frosty ambiance through the month. Weather in January »
Weather in February
Maintaining the frosty stride of January, February in Sterling experiences slight increases in both maximum and minimum temperature values. However, February does not lose its winter charm with a significant 2.68" (68mm) of snowfall occurring over 6.7 days. Weather in February »
Weather in March
Sterling experiences noticeable changes in the weather scenario during March. A significant rise in temperatures signals the advent of spring, marking a considerable contrast in comparison to January and February. Sunshine grows significantly plentiful covering an average of 8.3 hours per day, a considerable jump from the previous months. Weather in March »
Weather in April
April ushers in consistent springtime weather in Sterling. Temperatures continue to rise, inducing a definitive shift from the chilly grip of winter. Simultaneously, it's the month receiving the highest amount of rainfall, approximately 1.65" (42mm) spread over 14.6 days. Weather in April »
Weather in May
Relatively moderate weather characterises May in Sterling. The pathways towards summer begin to unveil as temperatures become warmer, establishing an amicable difference when compared to the preceding months. The month also stands out with maximum rainfall, estimated at 2.95" (75mm) spread across 17.3 days, the peak through the year. Weather in May »
Weather in June
In June, Sterling, Colorado wipes away the last traces of spring, stepping into summer unreservedly. The increase in temperatures complements the peak sunshine hours of 11.7, encapsulating the warmth of summer days. It is a dry month with lesser rain downpours than the previous month. Weather in June »
Weather in July
Typically, July is the hottest month in Sterling, Colorado. The expansion of daylight experiences a slight dip from June, reducing to 14.7 hours on average. Evenings tend to be balmy with the highest average low temperature hitting 65.8°F (18.8°C). Weather in July »
Weather in August
August observes almost the same weather characteristics as July despite minor reductions in maximum and minimum temperatures. The month is a celebration of summer in true sense with longer days and mild humidity. Distinguished by a prominent drop in rainfall from July to a lower 1.69" (43mm) over 13.3 days, August embodies the classic late-summer essence. Weather in August »
Weather in September
September in Sterling heralds the arrival of fall. Even though the weather bears the remnants of summer, changes gradually start to manifest, notably in temperature patterns. There is a notable decrease in the length of days to an average of 12.4 hours. Weather in September »
Weather in October
Graduating into the thick of fall, October in Sterling experiences a significant drop in temperatures compared to its predecessor, September. The shorter daylight hours magnify the autumn ambiance throughout the city. A renewed cycle of snowfall emerges with a recorded 1.81" (46mm) spread across 2.5 days, a noteworthy climate event after the warm summer months. Weather in October »
Weather in November
November features a continued decrease in temperature, and an expressive increase in the number of snowfall days to 4.2, higher than what's observed in October. However, with Sterling transitioning to winter, November holds onto the colors of fall, resulting in a potent mixture of both seasons' glory. Weather in November »
Weather in December
Sterling, Colorado retreats into the heart of winter in December. The city wears a white blanket with an average snowfall of 1.38" (35mm) distributed over 6.4 days. Despite the chill, the sunshine manages to peek through with an average duration of 6.5 hours per day. Weather in December »
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
With an average relative humidity of 65%, January is the most humid month.
What is the driest month?
The month with the least rainfall in Sterling is January, when the rain falls for 4.8 days and typically collects 0.35" (9mm) of precipitation.
How many days does it rain?
In Sterling, during the entire year, the rain falls for 123.2 days and collects up to 15.39" (391mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 34.4 snowfall days, and 12.13" (308mm) of snow is accumulated.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall in Sterling. Snow falls for 6.7 days and accumulates 2.68" (68mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 6.3h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.95" (75mm) of precipitation.
When it does not snow?
In Sterling, snow does not fall in June through September.
When are the longest days in Sterling?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the months with the most sunshine?
June and August, with an average of 11.7h of sunshine, are months with the most sunshine.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
With its average high temperature of 88.5°F (31.4°C) and a low of 65.8°F (18.8°C), July is regarded as the warmest month.
What is the least humid month in Sterling?
September is the least humid month in Sterling, with an average relative humidity of 47%.
What is the coldest time of year?
With its average high temperature of 37.8°F (3.2°C) and a low of 23°F (-5°C), December is regarded as the coldest month.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Sterling, CO
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure
Sterling, CO
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.97"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Sterling, CO
- Average wind speed in January:
10mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11mph - Average wind speed in April:
11.9mph - Average wind speed in May:
10.6mph - Average wind speed in June:
9.9mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
9mph - Average wind speed in September:
9.5mph - Average wind speed in October:
10.3mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity
Sterling, CO
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).
Average rainfall
Sterling, CO
- Average rainfall in January:
0.35" - Average rainfall in February:
0.51" - Average rainfall in March:
1.14" - Average rainfall in April:
1.65" - Average rainfall in May:
2.95" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.69" - Average rainfall in September:
0.98" - Average rainfall in October:
1.02" - Average rainfall in November:
0.47" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days
Sterling, CO
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).
Average snowfall
Sterling, CO
- Average snowfall in January:
1.77" - Average snowfall in February:
2.68" - Average snowfall in March:
1.73" - Average snowfall in April:
1.46" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sterling, CO
- Average snowfall days in January:
6 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
3.1 days - Average snowfall days in May:
1.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
2.5 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Sterling, CO
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
6h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 2min - Average sunshine in October:
7h and 3min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 3min
The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days
Sterling, CO
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Sterling, CO
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sterling, CO
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility
Sterling, CO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sterling, Colorado, USA
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