Expand
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, like December, is a freezing cold winter month in South Sterling, Pennsylvania, with an average temperature fluctuating between 29.8°F (-1.2°C) and 18°F (-7.8°C). January, with its average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18°F (-7.8°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in South Sterling, Pennsylvania, with an average temperature ranging between max 34.2°F (1.2°C) and min 20.1°F (-6.6°C). South Sterling, Pennsylvania, experiences a subtle adjustment in high-temperatures to a cold 34.2°F (1.2°C) with the onset of February, maintaining near parity with January's 29.8°F (-1.2°C). Weather in February »
Weather in March
March, the first month of the spring in South Sterling, is still a cold month, with an average temperature ranging between min 27°F (-2.8°C) and max 41.7°F (5.4°C). A slight uplift in the average high-temperature marks March, adjusting from February's 34.2°F (1.2°C) to a still icy 41.7°F (5.4°C). Weather in March »
Weather in April
April in South Sterling, Pennsylvania, is a cool spring month, with an average temperature fluctuating between 54.7°F (12.6°C) and 37°F (2.8°C). The arrival of April sees a shift in the average high-temperature, 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
The last month of the spring, May, is a comfortable month in South Sterling, Pennsylvania, with an average temperature ranging between max 66.7°F (19.3°C) and min 47.8°F (8.8°C). May comes with an increase, with the average high-temperature moving from a fresh 54.7°F (12.6°C) in April to a refreshing 66.7°F (19.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in South Sterling, Pennsylvania, with an average temperature fluctuating between 74.3°F (23.5°C) and 54.5°F (12.5°C). Entering June, South Sterling notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 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 South Sterling, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 80.8°F (27.1°C) and 59.5°F (15.3°C). South Sterling's July weather reaches an average high of 80.8°F (27.1°C) and an average low of 59.5°F (15.3°C), making it the warmest month. July's average heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in South Sterling, is another warm month, with an average temperature fluctuating between 78.3°F (25.7°C) and 57.7°F (14.3°C). The start of August sees the average high-temperature at a still moderately hot 78.3°F (25.7°C), showing little difference from July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in South Sterling, Pennsylvania, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 71.2°F (21.8°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 78.3°F (25.7°C) to an agreeable 71.2°F (21.8°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in South Sterling, Pennsylvania, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 43°F (6.1°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a pleasant 71.2°F (21.8°C) to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in South Sterling, is another chilly month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 45.5°F (7.5°C). November involves a decrease in temperature, down 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
The first month of the winter, December, is also a wintry month in South Sterling, Pennsylvania, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.3°F (-3.7°C). With the onset of December, South Sterling's average high-temperature adjusts, receding from November's chilly 45.5°F (7.5°C) to a wintry 36.1°F (2.3°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in South Sterling?
With its average high temperature of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), January is regarded as the coldest month in South Sterling.
How much does it rain in South Sterling?
Throughout the year, in South Sterling, there are 154.8 rainfall days, and 32.24" (819mm) of precipitation is accumulated.
When does it snow in South Sterling?
January through May, October through December are months with snowfall.
How much does it snow in South Sterling?
In South Sterling, during the entire year, snow falls for 62.1 days and aggregates up to 38.86" (987mm) of snow.
What is the most humid month in South Sterling?
The most humid month in South Sterling, Pennsylvania, is February, with an average relative humidity of 85%.
What is the snowiest month in South Sterling?
February is the month with the most snowfall in South Sterling, Pennsylvania. Snow falls for 13 days and accumulates 8.03" (204mm) of snow.
What is the month with the least sunshine in South Sterling?
February has the least sunshine of the year, with an average of 3.8h of sunshine.
When is Daylight Saving Time (DST) in South Sterling?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Sterling, 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 in South Sterling?
May through August, with an average maximum UV index of 5, are months with the highest UV index in South Sterling.
When it does not snow in South Sterling?
In South Sterling, snow does not fall in June through September.
When are the longest days in South Sterling?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the hottest time of year in South Sterling?
July, with its high-temperature average of 80.8°F (27.1°C) and a low-temperature average of 59.5°F (15.3°C), is the warmest month in South Sterling, Pennsylvania.
What is the least humid month in South Sterling?
With an average relative humidity of 77%, July is the least humid month in South Sterling, Pennsylvania.
What is the rainiest month in South Sterling?
The month with the most rainfall is July, when the rain falls for 17.7 days and typically aggregates up to 3.27" (83mm) of precipitation.
What month has the most sunshine in South Sterling?
July has the most sunshine of the year in South Sterling, Pennsylvania, with an average of 10.1h of sunshine.
What is the driest month in South Sterling?
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 in South Sterling?
With an average of 9h and 18min of daylight, December has the shortest days of the year in South Sterling.
When is the lowest UV index in South Sterling?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
South 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
South 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
South 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
South Sterling, PA
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall
South 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
South 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
South 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
South 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
South 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 2min
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 18min).
- 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
South 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
South 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
South 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
South 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).
South Sterling, Pennsylvania, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
