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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, like December, is a freezing cold winter month in Slate Run, Pennsylvania, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 29.3°F (-1.5°C). During the coldest month, January, temperatures average a high of 29.3°F (-1.5°C) and a low of 17.1°F (-8.3°C). Weather in January »
Weather in February
February, the last month of the winter in Slate Run, is a wintry month, with an average temperature varying between 18.9°F (-7.3°C) and 33.3°F (0.7°C). Slate Run marks the arrival of February with an average high-temperature of a wintry 33.3°F (0.7°C), hardly different from January's 29.3°F (-1.5°C). Weather in February »
Weather in March
March, the first month of the spring in Slate Run, is still a cold month, with an average temperature ranging between min 26.1°F (-3.3°C) and max 42.3°F (5.7°C). March's arrival is marked by an increase in the average high-temperature, moving from a wintry 33.3°F (0.7°C) in February to a still icy 42.3°F (5.7°C). Weather in March »
Weather in April
April is a fresh spring month in Slate Run, Pennsylvania, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 36°F (2.2°C). April's arrival signals an increase in average high-temperatures, moving from March's icy 42.3°F (5.7°C) to a cool 54.3°F (12.4°C). Weather in April »
Weather in May
May, the last month of the spring in Slate Run, is a refreshing month, with an average temperature ranging between min 46.4°F (8°C) and max 67.5°F (19.7°C). May's arrival sees a rise in the average high-temperature, jumping from April's cool 54.3°F (12.4°C) to a refreshing 67.5°F (19.7°C). Weather in May »
Weather in June
June, the first month of the summer in Slate Run, is a warm month, with an average temperature ranging between max 75.2°F (24°C) and min 52.7°F (11.5°C). June brings a slight increase in the average high-temperature, progressing from a comfortable 67.5°F (19.7°C) in May to a warm 75.2°F (24°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Slate Run, Pennsylvania, with an average temperature varying between 57.4°F (14.1°C) and 80.4°F (26.9°C). Slate Run registers the highest average temperatures during the month of July, with peaks of 80.4°F (26.9°C) and lows of 57.4°F (14.1°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Slate Run, Pennsylvania, with an average temperature varying between 77.7°F (25.4°C) and 55°F (12.8°C). As August unfolds, the average high-temperature reaches a still warm 77.7°F (25.4°C), hinting at a slight fluctuation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Slate Run, is also an agreeable month, with an average temperature varying between 70.7°F (21.5°C) and 49.8°F (9.9°C). September signifies a minor drop in average high-temperature, transitioning from a moderately hot 77.7°F (25.4°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Slate Run, Pennsylvania, with an average temperature fluctuating between 41.9°F (5.5°C) and 58.1°F (14.5°C). Stepping into October, Slate Run observes a temperature decline, with the average high falling from September's agreeable 70.7°F (21.5°C) to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Slate Run, is also a frosty month, with an average temperature fluctuating between 44.6°F (7°C) and 31.1°F (-0.5°C). Observing a mild shift, the average high-temperature during November reduces from October's moderate 58.1°F (14.5°C) to a chilly 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Slate Run, Pennsylvania, with an average temperature varying between 35.2°F (1.8°C) and 25°F (-3.9°C). The start of December comes with a reduction in the average high-temperature, receding from a frosty 44.6°F (7°C) in November to a wintry 35.2°F (1.8°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 are the coldest months?
Slate Run's January weather, with an average high temperature of 29.3°F (-1.5°C) and an average low temperature of 17.1°F (-8.3°C), tends to be the coldest of the year.
How much does it rain?
In Slate Run, during the entire year, the rain falls for 168.8 days and collects up to 32.56" (827mm) of precipitation.
When does it snow in Slate Run?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, in Slate Run, there are 71.6 snowfall days, and 35.47" (901mm) of snow is accumulated.
What is the month with the least sunshine?
The months with the least sunshine are January and December, with an average of 3h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the most humid month in Slate Run?
With an average relative humidity of 86%, February is the most humid month in Slate Run.
What is the snowiest month in Slate Run?
The month with the most snowfall is February, when snow falls for 16.5 days and typically aggregates up to 9.84" (250mm) of snow.
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 rainiest month?
The month with the most rainfall is April, when the rain falls for 17.8 days and typically aggregates up to 3.7" (94mm) of precipitation.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow in Slate Run?
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 6min of daylight.
What is the hottest time of year?
July is the month that records the highest temperatures, with averages ranging from a high of 80.4°F (26.9°C) to a low of 57.4°F (14.1°C).
What is the least humid month?
The least humid month is July, with an average relative humidity of 77%.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 9.5h of sunshine.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 11.2 days and typically collects 2.13" (54mm) 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.
Average temperature
Slate Run, PA
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Slate Run, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"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:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"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
Slate Run, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Slate Run, PA
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (77%).
Average rainfall
Slate Run, PA
- Average rainfall in January:
2.28" - Average rainfall in February:
2.52" - Average rainfall in March:
2.44" - Average rainfall in April:
3.7" - Average rainfall in May:
3.23" - Average rainfall in June:
2.8"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days
Slate Run, PA
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
15.7 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).
Average snowfall
Slate Run, PA
- Average snowfall in January:
8.19" - Average snowfall in February:
9.84" - Average snowfall in March:
4.61" - Average snowfall in April:
1.38" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Slate Run, PA
- Average snowfall days in January:
17.1 days - Average snowfall days in February:
16.5 days - Average snowfall days in March:
10.5 days - Average snowfall days in April:
4 days - Average snowfall days in May:
0.7 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 days - Average snowfall days in November:
7.4 days - Average snowfall days in December:
14.4 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Slate 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 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 0min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 2min - Average sunshine in April:
6h and 5min - Average sunshine in May:
7h and 5min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).
Average sunshine days
Slate Run, PA
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
11.2 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
10 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index
Slate Run, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Slate Run, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility
Slate Run, PA
The months with the highest visibility are March, April, May, June, July and November (5mi).
The months with the lowest visibility are January, February, August, September, October and December (4mi).
Slate Run, Pennsylvania, USA
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