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Contents
- The climate of Greeley
- The best time to visit Greeley
- The worst time to visit Greeley
- Spring weather in Greeley
- Summer weather in Greeley
- Autumn weather in Greeley
- Winter weather in Greeley
- 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 Greeley
Situated in the Centennial State or 'Colorful Colorado', the city of Greeley is characterized by the predominant BSk, mid-latitude steppe climate, as per the Köppen climate classification. This location experiences a wide range of temperatures and precipitation levels throughout the year.
A close observation of weather trends reveals noticeable swings in various weather parameters. High temperatures range from a chilly 40.8°F (4.9°C) in January to a hot 89.1°F (31.7°C) in July. A similar trend is noted in low-temperature readings, with figures as low as 20.1°F (-6.6°C) in December and peaking at 62.1°F (16.7°C) during the summer month of July. Offering an expansive array of meteorological landscapes, Greeley's humidity relative index fluctuates between 44% in August and up to 64% during the colder months of January and December.
Rainfall patterns in Greeley exhibit substantial variation. March sees the year's lowest average rainfall of 0.2" (5mm) closely followed by January's 0.24" (6mm), while May witnesses the most substantial precipitation with an average of 1.61" (41mm). The city also has its fair share of snowfall, with December recording most days of snowfall (4.5 days), while snowfall in inches peaks at 2.36" (60mm) in February.
A close observation of weather trends reveals noticeable swings in various weather parameters. High temperatures range from a chilly 40.8°F (4.9°C) in January to a hot 89.1°F (31.7°C) in July. A similar trend is noted in low-temperature readings, with figures as low as 20.1°F (-6.6°C) in December and peaking at 62.1°F (16.7°C) during the summer month of July. Offering an expansive array of meteorological landscapes, Greeley's humidity relative index fluctuates between 44% in August and up to 64% during the colder months of January and December.
Rainfall patterns in Greeley exhibit substantial variation. March sees the year's lowest average rainfall of 0.2" (5mm) closely followed by January's 0.24" (6mm), while May witnesses the most substantial precipitation with an average of 1.61" (41mm). The city also has its fair share of snowfall, with December recording most days of snowfall (4.5 days), while snowfall in inches peaks at 2.36" (60mm) in February.
The best time to visit Greeley
For those in search of milder weather conditions, the optimal period to explore Greeley's attractions is from May to September. During this time, the city experiences temperatures ranging between 61.2°F (16.2°C) and 89.1°F (31.7°C). Also, the relative humidity remains at a comfortable level below 53%, making outdoor activities more enjoyable. Sunshine durations are high, and encounters with rainfall are limited, with averages ranging between 0.55" (14mm) and 1.61" (41mm).
The worst time to visit Greeley
January and February could be considered less ideal for tourism. During these cold winter months, daytime temperatures remain low, ranging from 40.8°F (4.9°C) to 42.3°F (5.7°C), while nighttime temperatures drop as low as 22.1°F (-5.5°C) to 22.5°F (-5.3°C). Moreover, snowfall during these months is significant, which could interfere with travel plans and outdoor activities.
Spring weather in Greeley
Greeley welcomes Spring from March to May, with average high temperatures climbing journey from 54.9°F (12.7°C) to 69.3°F (20.7°C). The season also sees an increase in rainfall from 0.59" (15mm) in March to a peak of 1.61" (41mm) in May. Despite this, the city basks in ample sunshine, enabling outdoor enthusiasts to revel in the burgeoning blooms and spring festivities.
Summer weather in Greeley
Between June and August, Greeley's summer rises to its full glory. With high temperatures oscillating between 84.2°F (29°C) and 89.1°F (31.7°C) and lows of 57.4°F (14.1°C) to 62.1°F (16.7°C), the weather conditions make for warm afternoons and pleasant evenings. Though rainfall is variable, it is generally lower than during Spring, making Summer an optimum period for outdoor recreation.
Autumn weather in Greeley
September to November mark the changing leaves of Autumn in Greeley. During this period, high temperatures steadily drop from 79.7°F (26.5°C) in September to a cooler 51.1°F (10.6°C) by November. Rainfall reduces as well, decreasing from 0.55" (14mm) to 0.28" (7mm) by November. Notably, it's during this period that the city experiences relatively longer daylight hours, from 12.4 hours in September to 9.9 hours by November.
Winter weather in Greeley
The onset of Winter ushers Greeley into its coldest months from December to February. During this period, harsh low temperatures hit as far down as 20.1°F (-6.6°C). Snowfall is prominent in these months, particularly in January and February, with values near 1.57" (40mm) and 2.36" (60mm) respectively. Despite the cold, winter sun is not a rare sight, with 6.8 hours of sunshine per day on average affording surreal landscapes glittering under the crisp winter sun.
Weather in January
January embraces the true winter conditions in Greeley, Colorado, with low temperatures becoming the norm. January sees some of the coldest days of the year, with lowest temperatures averaging at 22.1°F (-5.5°C). The city also experiences some snowfall during this month, creating a winter wonderland ambiance. Weather in January »
Weather in February
While February still falls within the winter period, there is an onward movement toward spring. This month gets slightly warmer compared to January, reaching minimum/maximum temperatures ranging from 22.5°F (-5.3°C) to 42.3°F (5.7°C). Weather in February »
Weather in March
The arrival of March in Greeley, Colorado, signals the beginning of spring. The weather begins to offer a glimpse of the changing season, with temperatures climbing to a high of 54.9°F (12.7°C), indicative of the approaching warmth. Weather in March »
Weather in April
April showcases the full bloom of spring in Greeley, Colorado. With a noticeable increase in high temperatures, now at an average of 61.2°F (16.2°C), the sense of summer is definitely in the air. Residents and tourists can enjoy outdoor activities as snowfall becomes sparse. Weather in April »
Weather in May
The month of May in Greeley, Colorado, is characterized by the transition from spring to early summer. The mercury continues to rise, signalling the onset of warmer days. May sees the city's highest rainfall of the year, measuring at 1.61in, preparing the environment for summer. Weather in May »
Weather in June
June inaugurates summer in Greeley, Colorado, with the temperature scales tilting toward the higher end. The abundance of sunshine, maximum sunshine hours being around 15, enhances the overall cheerfulness of the month. Incidents of snow are non-existent, making outdoor leisure more enjoyable. Weather in June »
Weather in July
In July, Greeley, Colorado, experiences the height of summer. The city witnesses its peak temperatures, with the highest temperature soaring to 89.1°F (31.7°C). Despite the high temperatures, the skies are moderately clear, offering breathtaking sunset views. Weather in July »
Weather in August
August in Greeley, Colorado, continues with the summer trend but with subtle signs of a forthcoming transition. Even though it is still a summer month, the maximum temperatures start to drop slightly. However, the rainfall retains its usual pattern, assisting in keeping the environment refreshed. Weather in August »
Weather in September
September indicates the onset of autumn in Greeley, Colorado. Warm summer days start to be replaced by cooler autumnal temperatures. The high temperatures reduce more, leading to a crisper climate. Despite the initial dip in temperature, the city continues to receive a good amount of sunshine. Weather in September »
Weather in October
October in Greeley, Colorado, brings the full splendor of fall. As the month progresses, temperatures continue to decrease, signaling the approach of winter. With the temperatures becoming cooler, the first snowfall of the year can also occur. Weather in October »
Weather in November
November in Greeley, Colorado, serves as a transition from autumn to winter. With further cooler temperatures setting in, it is advisable to carry warmer clothing. A notable drop in maximum temperatures to 51.1°F (10.6°C) becomes apparent, hinting at the oncoming winter season. Weather in November »
Weather in December
December brings the cold winter in Greeley, Colorado, with the temperatures decreasing substantially. Even though it is a winter month, the lowest temperature remains above freezing at 20.1°F (-6.6°C). The shorter daylight hours and frequent snowfall make it a typical winter month. Weather in December »
Updated: Jul 28, 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 are the most humid months?
January and December, with an average relative humidity of 64%, are most humid months.
How much does it rain?
Throughout the year, there are 71.4 rainfall days, and 7.6" (193mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 26.6 snowfall days, and 13.62" (346mm) of snow is accumulated.
What is the month with 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. Snow falls for 5.7 days and accumulates 2.36" (60mm) of snow.
What is the month with the least sunshine?
The months with the least sunshine are February and December, with an average of 6.6h 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 10.2 days and accumulates 1.61" (41mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 11.9h of 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 average high temperatures of 89.1°F (31.7°C) and lows of 62.1°F (16.7°C), July is the warmest month.
What are the least humid months?
August and September, with an average relative humidity of 44%, are the least humid months.
What part of the year is the coldest?
December, with an average high of 38.3°F (3.5°C) and a low of 20.1°F (-6.6°C), signifies the coldest month of the year.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 1.7 days and typically collects 0.2" (5mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Greeley, CO
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.3°F).
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure
Greeley, CO
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Greeley, CO
- Average wind speed in January:
6.3mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.9mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity
Greeley, CO
The months with the highest relative humidity are January and December (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall
Greeley, CO
- Average rainfall in January:
0.24" - Average rainfall in February:
0.35" - Average rainfall in March:
0.59" - Average rainfall in April:
0.71" - Average rainfall in May:
1.61" - Average rainfall in June:
0.91"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days
Greeley, CO
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
9.2 days
- Average rainfall days in July:
11.4 days - Average rainfall days in August:
8.5 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
3.8 days - Average rainfall days in November:
1.6 days - Average rainfall days in December:
1.7 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).
Average snowfall
Greeley, CO
- Average snowfall in January:
1.57" - Average snowfall in February:
2.36" - Average snowfall in March:
1.34" - Average snowfall in April:
1.77" - Average snowfall in May:
2.05" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Greeley, CO
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
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 days - Average snowfall days in October:
2.2 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Greeley, 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 2min - 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 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
8h and 5min - Average sunshine in April:
10h and 4min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 5min - Average sunshine in October:
7h and 2min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days
Greeley, CO
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
21.2 days - Average sunshine days in March:
22.8 days - Average sunshine days in April:
20.7 days - Average sunshine days in May:
18.4 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
16.7 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
22 days - Average sunshine days in October:
25 days - Average sunshine days in November:
25.7 days - Average sunshine days in December:
25.9 days
The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).
Average UV index
Greeley, 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
Greeley, CO
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility
Greeley, 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).
Greeley, Colorado, USA
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