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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, is an icy winter month in Stony Run, Pennsylvania, with an average temperature fluctuating between 21.9°F (-5.6°C) and 34.3°F (1.3°C). January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.9°F (-5.6°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Stony Run, is also a wintry month, with an average temperature fluctuating between 37.6°F (3.1°C) and 23.5°F (-4.7°C). In February, the average high-temperature registers at a still icy 37.6°F (3.1°C), nearly identical to January's 34.3°F (1.3°C). Weather in February »
Weather in March
March, the first month of the spring in Stony Run, is a frosty month, with an average temperature varying between 30.6°F (-0.8°C) and 46.8°F (8.2°C). As March arrives, a rise in the average high-temperature is observed, moving from an icy 37.6°F (3.1°C) in February to a chilly 46.8°F (8.2°C). Weather in March »
Weather in April
April is a moderate spring month in Stony Run, Pennsylvania, with an average temperature varying between 40.5°F (4.7°C) and 59°F (15°C). April's onset brings a rise in the average high-temperature, moving from a frosty 46.8°F (8.2°C) in March to a moderate 59°F (15°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Stony Run, Pennsylvania, with an average temperature ranging between min 50.9°F (10.5°C) and max 69.4°F (20.8°C). May comes with an increase, with the average high-temperature moving from a refreshing 59°F (15°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Stony Run, Pennsylvania, with an average temperature varying between 77.5°F (25.3°C) and 58.1°F (14.5°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 69.4°F (20.8°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in Stony Run, Pennsylvania, is another warm summer month, with an average temperature ranging between max 83.5°F (28.6°C) and min 63.1°F (17.3°C). The temperatures reach their highest averages in July, with highs of 83.5°F (28.6°C) and lows of 63.1°F (17.3°C). The heat index for July is calculated to be a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Stony Run, is another warm month, with an average temperature ranging between min 61.3°F (16.3°C) and max 81.1°F (27.3°C). August's arrival registers an average high-temperature of a still moderately hot 81.1°F (27.3°C), closely aligning with the temperature of the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Stony Run, is still a warm month, with an average temperature ranging between max 74.3°F (23.5°C) and min 55°F (12.8°C). The advent of September brings a subtle shift in temperature, with the average high moving from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Stony Run, Pennsylvania, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 45.9°F (7.7°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 74.3°F (23.5°C) to a comfortable 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Stony Run, Pennsylvania, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 49.8°F (9.9°C). In the transition to November, Stony Run observes a drop in the average high-temperature, moving from an enjoyable 61.9°F (16.6°C) in October to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Stony Run, Pennsylvania, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 40.1°F (4.5°C). In Stony Run, the average high-temperature in December decreases from a chilly 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°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?
January, with its high-temperature average of 34.3°F (1.3°C) and a low-temperature average of 21.9°F (-5.6°C), is the coldest month.
How many days does it rain?
Throughout the year, there are 147.9 rainfall days, and 25.94" (659mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall in Stony Run is January, when snow falls for 7.8 days and typically aggregates up to 4.02" (102mm) of snow.
How many days does it snow?
Throughout the year, there are 24.9 snowfall days, and 13.54" (344mm) of snow is accumulated.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 82%.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
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 is the least humid month?
The least humid month in Stony Run is April, with an average relative humidity of 76%.
When it does not snow?
In Stony Run, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
Stony Run reaches its average highest temperatures in July, measuring 83.5°F (28.6°C) at the peak and 63.1°F (17.3°C) at the lowest.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.8" (71mm) of precipitation.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.54" (39mm) of precipitation.
What is the month with the shortest days in Stony Run?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Stony Run, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Stony Run, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"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:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Stony Run, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.2mph - Average wind speed in April:
8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Stony Run, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Stony Run, PA
- Average rainfall in January:
1.93" - Average rainfall in February:
1.73" - Average rainfall in March:
2.13" - Average rainfall in April:
2.4" - Average rainfall in May:
2.56" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.8" - Average rainfall in September:
1.54" - Average rainfall in October:
2.09" - Average rainfall in November:
1.97" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Stony Run, PA
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).
Average snowfall
Stony Run, PA
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Stony Run, PA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Stony Run, 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 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Stony Run, PA
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index
Stony Run, PA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Stony Run, PA
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Stony Run, PA
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Stony Run, Pennsylvania, USA
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