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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Walnut Hill, Pennsylvania, with an average temperature fluctuating between 2.7°C and -4°C. With average temperatures fluctuating between a high of 2.7°C and a low of -4°C, January stands out as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Walnut Hill, is also a wintry month, with an average temperature varying between -2.7°C and 4.6°C. The advent of February presents an average high-temperature of a still icy 4.6°C, maintaining a close correlation with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Walnut Hill, is a frosty month, with an average temperature varying between 9.4°C and 1.1°C. March's onset brings a minor rise in the average high-temperature, moving from an icy 4.6°C in February to a frosty 9.4°C. Weather in March »
Weather in April
April is a comfortable spring month in Walnut Hill, Pennsylvania, with an average temperature varying between 16.1°C and 6.8°C. Walnut Hill's transition into April brings a rise in the average high-temperature, moving from a frosty 9.4°C in March to a comfortable 16.1°C. Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Walnut Hill, Pennsylvania, with an average temperature ranging between min 12.2°C and max 21.7°C. With the onset of May, Walnut Hill's average high-temperature sees a rise, moving from April's enjoyable 16.1°C to an agreeable 21.7°C. Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Walnut Hill, Pennsylvania, with an average temperature varying between 26.1°C and 16.6°C. June comes with a subtle rise, with the average high-temperature adjusting from a pleasant 21.7°C in May to a moderately hot 26.1°C. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Walnut Hill, Pennsylvania, with an average temperature ranging between max 29.3°C and min 19.5°C. Walnut Hill's July weather reaches an average high of 29.3°C and an average low of 19.5°C, making it the warmest month. Throughout July, the heat index is computed to be a sweltering 35°C. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Walnut Hill, Pennsylvania, with an average temperature ranging between min 18.7°C and max 28°C. Walnut Hill's entry into August measures an average high-temperature of a still warm 28°C, closely parallel to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Walnut Hill, is still a warm month, with temperature in the range of an average low of 15.2°C and an average high of 24.3°C. A moderate decline in average high-temperatures is noted in September, moving from a warm 28°C in August to a still moderately hot 24.3°C. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Walnut Hill, Pennsylvania, with temperature in the range of an average low of 9.6°C and an average high of 17.5°C. The onset of October results in a decrease in the average high-temperature, receding from a moderately hot 24.3°C in September to an enjoyable 17.5°C. Weather in October »
Weather in November
November, the last month of the autumn in Walnut Hill, is also a fresh month, with temperature in the range of an average high of 11.1°C and an average low of 3.3°C. November weather is marked by a drop in the average high-temperature, falling from a refreshing 17.5°C in October to a cool 11.1°C. Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Walnut Hill, Pennsylvania, with an average temperature fluctuating between 6.1°C and -0.1°C. A subtle decrease in the average high-temperature marks December, falling from November's cool 11.1°C to a frosty 6.1°C. Weather in December »
Updated: Aug 20, 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 part of the year is the coldest?
In Walnut Hill, January is known for its average lowest temperatures, reaching a high of 2.7°C and a low of -4°C.
How many days does it rain?
In Walnut Hill, during the entire year, the rain falls for 135 days and collects up to 451mm of precipitation.
When does it snow?
Months with snowfall are January through May, November and December.
How many days does it snow?
Throughout the year, there are 16.6 snowfall days, and 139mm of snow is accumulated.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Walnut Hill.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 3.7 days and typically aggregates up to 38mm 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 least humid month?
The least humid month in Walnut Hill is April, with an average relative humidity of 74%.
When is the highest UV index in Walnut Hill?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow?
June through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What time of the year is the hottest in Walnut Hill?
Walnut Hill's July weather reaches an average high of 29.3°C and an average low of 19.5°C, making it the warmest month.
What month has the most sunshine in Walnut Hill?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 14.8 days and typically aggregates up to 60mm of precipitation.
What is the most humid month?
With an average relative humidity of 79%, October is the most humid month.
What is the driest month in Walnut Hill?
November is the month with the least rainfall. Rain falls for 7.4 days and accumulates 27mm of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Walnut Hill, PA
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (2.7°C).
The month with the highest average low temperature is July (19.5°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure
Walnut Hill, PA
- Average pressure in January:
1019mbar - Average pressure in February:
1018mbar - Average pressure in March:
1018.3mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1013.9mbar
- Average pressure in July:
1014.6mbar - Average pressure in August:
1015.6mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017mbar - Average pressure in November:
1020.2mbar - Average pressure in December:
1019.3mbar
The month with the highest atmospheric pressure is November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed
Walnut Hill, PA
- Average wind speed in January:
13.9km/h - Average wind speed in February:
13.8km/h - Average wind speed in March:
13.9km/h - Average wind speed in April:
13.6km/h - Average wind speed in May:
10.8km/h - Average wind speed in June:
10.1km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
8.5km/h - Average wind speed in September:
9.3km/h - Average wind speed in October:
11.5km/h - Average wind speed in November:
12.3km/h - Average wind speed in December:
13km/h
The windiest months (with the highest average wind speed) are January and March (13.9km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity
Walnut Hill, PA
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Walnut Hill, PA
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days
Walnut Hill, PA
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall
Walnut Hill, PA
The month with the highest snowfall is March (38mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Walnut Hill, PA
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Walnut Hill, 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 2min - 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 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - 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 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Walnut Hill, PA
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
19 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Walnut Hill, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Walnut Hill, PA
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Walnut Hill, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (9km).
The months with the lowest visibility are May and September (8km).