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Contents
- 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
Weather in January
January, the same as December, in Sterling, Pennsylvania, is a freezing cold winter month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 29.8°F (-1.2°C). The month of January, characterized by an average high of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Sterling, Pennsylvania, with an average temperature varying between 20.1°F (-6.6°C) and 34.2°F (1.2°C). Sterling's weather, upon February's arrival, documents an average high-temperature of a wintry 34.2°F (1.2°C), nearly identical to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is also an icy month in Sterling, Pennsylvania, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 27°F (-2.8°C). March's onset brings a subtle temperature rise, moving from 34.2°F (1.2°C) in February to a still wintry 41.7°F (5.4°C). Weather in March »
Weather in April
April in Sterling, Pennsylvania, is a cool spring month, with an average temperature varying between 54.7°F (12.6°C) and 37°F (2.8°C). April's arrival brings a change in high-temperatures, moving from a wintry 41.7°F (5.4°C) in March to a cool 54.7°F (12.6°C). Weather in April »
Weather in May
May, the last month of the spring in Sterling, is a comfortable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 66.7°F (19.3°C). The rise of average high-temperatures is seen in May, with an increase from a cool 54.7°F (12.6°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »
Weather in June
June, the first month of the summer in Sterling, is a warm month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 54.5°F (12.5°C). In Sterling, stepping into June brings a gentle temperature nudge, moving slightly up from May's enjoyable 66.7°F (19.3°C) to a warm 74.3°F (23.5°C). Weather in June »
Weather in July
July, like June, in Sterling, Pennsylvania, is another warm summer month, with an average temperature varying between 80.8°F (27.1°C) and 59.5°F (15.3°C). Sterling records the warmest temperatures in July, averaging a high of 80.8°F (27.1°C) and a low of 59.5°F (15.3°C). July's average heat index is computed to be a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Sterling, Pennsylvania, with an average temperature varying between 57.7°F (14.3°C) and 78.3°F (25.7°C). August's weather records an average high-temperature of a still warm 78.3°F (25.7°C), showing little deviation from July. Weather in August »
Weather in September
September, the first month of the autumn in Sterling, is still a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 51.6°F (10.9°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 78.3°F (25.7°C) to a pleasant 71.2°F (21.8°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Sterling, Pennsylvania, with an average temperature fluctuating between 43°F (6.1°C) and 58.1°F (14.5°C). October's onset corresponds with a shift in the average high-temperature, moving from an agreeable 71.2°F (21.8°C) in September to a mild 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sterling, is another chilly month, with an average temperature varying between 31.8°F (-0.1°C) and 45.5°F (7.5°C). November's onset corresponds with a shift in the average high-temperature, moving from a mild 58.1°F (14.5°C) in October to a chilly 45.5°F (7.5°C). Weather in November »
Weather in December
December, the first month of the winter in Sterling, is still a cold month, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.3°F (-3.7°C). As Sterling enters December, the average high-temperature decreases from the a chilly 45.5°F (7.5°C) of November to an icy 36.1°F (2.3°C). Weather in December »
Updated: Jun 4, 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 coldest month?
Sterling experiences its average lowest temperatures in January, reaching a peak of 29.8°F (-1.2°C) and a minimum of 18°F (-7.8°C).
How many days does it rain?
In Sterling, during the entire year, the rain falls for 154.8 days and collects up to 32.24" (819mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 62.1 snowfall days, and 38.86" (987mm) of snow is accumulated.
What is the most humid month?
With an average relative humidity of 85%, February is the most humid month.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 13 days and accumulates 8.03" (204mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 3.8h 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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
In Sterling, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What month is the hottest in Sterling?
In Sterling, July records the average highest temperatures, peaking at 80.8°F (27.1°C) and reaching a low of 59.5°F (15.3°C).
What is the least humid month?
With an average relative humidity of 77%, July is the least humid month.
What is the wettest month?
July is the month with the most rainfall in Sterling. Rain falls for 17.7 days and accumulates 3.27" (83mm) of precipitation.
What month has the most sunshine?
With an average of 10.1h of sunshine, July has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.85" (47mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Sterling, PA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Sterling, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Sterling, PA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Sterling, PA
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall
Sterling, PA
- Average rainfall in January:
2.32" - Average rainfall in February:
2.36" - Average rainfall in March:
2.64" - Average rainfall in April:
3.03" - Average rainfall in May:
2.95" - Average rainfall in June:
2.76"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.91" - Average rainfall in September:
1.85" - Average rainfall in October:
2.87" - Average rainfall in November:
2.44" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
Sterling, PA
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall
Sterling, PA
- Average snowfall in January:
7.95" - Average snowfall in February:
8.03" - Average snowfall in March:
7.91" - Average snowfall in April:
1.69" - Average snowfall in May:
0.79" - Average snowfall in June:
0"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sterling, PA
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
13 days - Average snowfall days in March:
11.3 days - Average snowfall days in April:
3.8 days - Average snowfall days in May:
0.6 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:
1.1 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
13.2 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sterling, PA
- 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 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Sterling, PA
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
15 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Sterling, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Sterling, PA
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility
Sterling, PA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Sterling, Pennsylvania, USA
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