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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, in Slate Valley, Pennsylvania, is another cold winter month, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 32.5°F (0.3°C). Slate Valley reaches its lowest average temperatures in January, measuring 32.5°F (0.3°C) at the peak and 20.3°F (-6.5°C) at the lowest. Weather in January »
Weather in February
February, the last month of the winter in Slate Valley, is another cold month, with an average temperature varying between 22.3°F (-5.4°C) and 36.5°F (2.5°C). Entering February, the average high-temperature is recorded at a still cold 36.5°F (2.5°C), exhibiting a minimal shift from January's 32.5°F (0.3°C). Weather in February »
Weather in March
March, the first month of the spring in Slate Valley, is a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 29.1°F (-1.6°C). March signals a minor shift in the average high-temperature, moving from February's wintry 36.5°F (2.5°C) to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April in Slate Valley, Pennsylvania, is a refreshing spring month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 38.8°F (3.8°C). Slate Valley's April weather shows an increase in high-temperatures, moving from March's frosty 44.2°F (6.8°C) to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Slate Valley, Pennsylvania, with an average temperature varying between 68.2°F (20.1°C) and 49.6°F (9.8°C). As May begins, there is an increase in the average high-temperature, moving from a refreshing 56.8°F (13.8°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »
Weather in June
June, the first month of the summer in Slate Valley, is a moderately hot month, with an average temperature varying between 56.5°F (13.6°C) and 75.7°F (24.3°C). June sees a marginal temperature increase, moving from a pleasant 68.2°F (20.1°C) in May to a warm 75.7°F (24.3°C). Weather in June »
Weather in July
July, like June, in Slate Valley, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 61.9°F (16.6°C) and 81.5°F (27.5°C). Slate Valley's July weather reaches an average high of 81.5°F (27.5°C) and an average low of 61.9°F (16.6°C), making it the warmest month. July's average heat index is calculated to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Slate Valley, is another warm month, with an average temperature ranging between min 60.1°F (15.6°C) and max 79.3°F (26.3°C). August's presence records an average high-temperature of a still warm 79.3°F (26.3°C), closely mirroring July's climate. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Slate Valley, Pennsylvania, with an average temperature ranging between max 72.9°F (22.7°C) and min 53.8°F (12.1°C). With the onset of September, Slate Valley experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »
Weather in October
October, the same as September, in Slate Valley, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between max 60.3°F (15.7°C) and min 44.6°F (7°C). October brings a drop in Slate Valley's average high-temperature, falling from an agreeable 72.9°F (22.7°C) in September to a refreshing 60.3°F (15.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Slate Valley, Pennsylvania, with an average temperature ranging between min 33.8°F (1°C) and max 48.2°F (9°C). Setting in of November comes with a decrease in the average high-temperature, moving from a moderate 60.3°F (15.7°C) in October to a chilly 48.2°F (9°C). Weather in November »
Weather in December
December, the first month of the winter in Slate Valley, is also a wintry month, with an average temperature ranging between min 27.5°F (-2.5°C) and max 38.3°F (3.5°C). The onset of December brings a small change in high-temperatures, falling from a chilly 48.2°F (9°C) in November to a wintry 38.3°F (3.5°C). Weather in December »
Updated: Jun 17, 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 time of year?
January is the month when Slate Valley experiences its coldest temperatures, averaging a high of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C).
How much does it rain?
In Slate Valley, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
The months with the most snowfall are January and March, with an average 4.41" (112mm) of accumulated snow.
How much does it snow in Slate Valley?
Throughout the year, there are 34 snowfall days, and 16.73" (425mm) of snow is accumulated.
What is the most humid month?
February is the most humid month, with an average relative humidity of 83%.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.3h 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 least humid months in Slate Valley?
The months with the lowest humidity are April and July, with an average relative humidity of 77%.
When it does not snow?
June through September are months without snowfall in Slate Valley.
When are the longest days in Slate Valley?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What is the warmest month?
July, having an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 61.9°F (16.6°C), is the warmest month.
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 16.1 days and typically aggregates up to 3.03" (77mm) of precipitation.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.3h of sunshine.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the driest month in Slate Valley?
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.77" (45mm) 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.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Slate Valley, PA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Slate Valley, 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:
29.97"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
Slate Valley, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Slate Valley, PA
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall
Slate Valley, PA
- Average rainfall in January:
2.17" - Average rainfall in February:
2.09" - Average rainfall in March:
2.4" - Average rainfall in April:
2.68" - Average rainfall in May:
2.87" - Average rainfall in June:
2.4"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.8" - Average rainfall in September:
1.77" - Average rainfall in October:
2.48" - Average rainfall in November:
2.28" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Slate Valley, PA
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Slate Valley, PA
- Average snowfall in January:
4.41" - Average snowfall in February:
4.13" - Average snowfall in March:
4.41" - Average snowfall in April:
0.28" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Slate Valley, PA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Slate Valley, 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 5min - 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 3min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 0min - 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 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Slate Valley, PA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Slate Valley, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Slate Valley, PA
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Slate Valley, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Slate Valley, Pennsylvania, USA
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