Climate and monthly weather forecastWilliam Penn Manor, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in William Penn Manor, Pennsylvania, with an average temperature varying between 21.6°F (-5.8°C) and 34°F (1.1°C). William Penn Manor's coldest temperatures are experienced in January, with average high temperatures of 34°F (1.1°C) and lows of 21.6°F (-5.8°C). Weather in January »Weather in February
February, the last month of the winter in William Penn Manor, is another cold month, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 23.4°F (-4.8°C). The beginning of February records an average high-temperature of a still wintry 37.8°F (3.2°C), marking a negligible difference from January's 34°F (1.1°C). Weather in February »Weather in March
March, the first month of the spring in William Penn Manor, is a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 30°F (-1.1°C). The beginning of March signals a minor rise in the average high-temperature, moving from a cold 37.8°F (3.2°C) in February to a frosty 46°F (7.8°C). Weather in March »Weather in April
April in William Penn Manor, Pennsylvania, is a refreshing spring month, with an average temperature ranging between max 58.6°F (14.8°C) and min 40.6°F (4.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's chilly 46°F (7.8°C) to a moderate 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in William Penn Manor, is an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 50.5°F (10.3°C). With the onset of May, William Penn Manor sees a temperature rise, with the average high-temperature moving from April's refreshing 58.6°F (14.8°C) to a pleasant 69.6°F (20.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in William Penn Manor, Pennsylvania, with an average temperature varying between 77.4°F (25.2°C) and 57.9°F (14.4°C). June witnesses a minor rise in the average high-temperature, transitioning from a pleasant 69.6°F (20.9°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »Weather in July
July, like June, in William Penn Manor, Pennsylvania, is another warm summer month, with an average temperature varying between 63.5°F (17.5°C) and 83.5°F (28.6°C). July, with an average high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C), signifies the warmest month of the year. During July, the heat index is estimated at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in William Penn Manor, Pennsylvania, with an average temperature ranging between min 61.5°F (16.4°C) and max 81°F (27.2°C). In August, William Penn Manor's weather conditions record an average high-temperature of a still warm 81°F (27.2°C), demonstrating little divergence from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in William Penn Manor, Pennsylvania, with an average temperature varying between 74.3°F (23.5°C) and 55°F (12.8°C). William Penn Manor's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 81°F (27.2°C) to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, in William Penn Manor, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 62.1°F (16.7°C). October involves a decrease in temperature, down from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »Weather in November
November, the last month of the autumn in William Penn Manor, is another cool month, with an average temperature ranging between max 50°F (10°C) and min 35.4°F (1.9°C). The arrival of November signals a shift in temperature, down from a refreshing 62.1°F (16.7°C) in October to a cool 50°F (10°C). Weather in November »Weather in December
December, the first month of the winter in William Penn Manor, is also a wintry month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.8°F (-1.8°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cool 50°F (10°C) in November to a cold 40.1°F (4.5°C). Weather in December »Updated: Feb 13, 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
In William Penn Manor, Pennsylvania, the average lowest temperatures are observed in January, with a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).
Throughout the year, in William Penn Manor, Pennsylvania, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in William Penn Manor.
February is the most humid month in William Penn Manor, Pennsylvania, with an average relative humidity of 82%.
The month with the least sunshine in William Penn Manor, Pennsylvania, is February, with an average of 4.5h of sunshine.
March is the month with the most snowfall. Snow falls for 5 days and accumulates 4.13" (105mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in William Penn Manor, Pennsylvania, 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.
The months with the lowest humidity are April and July, with an average relative humidity of 76%.
May through July, with an average maximum UV index of 6, are months with the highest UV index in William Penn Manor, Pennsylvania.
In William Penn Manor, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 0min of daylight.
William Penn Manor, Pennsylvania, records the warmest temperatures in July, averaging a high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C).
July is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.
The month with the most sunshine is July, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.57" (40mm) of precipitation.
December has the shortest days of the year in William Penn Manor, Pennsylvania, with an average of 9h and 18min of daylight.
Average temperature
William Penn Manor, 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°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
William Penn Manor, 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:
30.12"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
William Penn Manor, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
William Penn Manor, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
William Penn Manor, PA
- Average rainfall in January:
1.81" - Average rainfall in February:
1.69" - Average rainfall in March:
2.17" - Average rainfall in April:
2.44" - Average rainfall in May:
2.72" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.76" - Average rainfall in September:
1.57" - Average rainfall in October:
2.17" - Average rainfall in November:
1.93" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
William Penn Manor, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
William Penn Manor, PA
- Average snowfall in January:
3.23" - Average snowfall in February:
3.7" - Average snowfall in March:
4.13" - Average snowfall in April:
0.16" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
William Penn Manor, PA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.4 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:
4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
William Penn Manor, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 42min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
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
William Penn Manor, PA
- Average sunshine days in January:
18 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index
William Penn Manor, PA
The months with the highest UV index are May, 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
William Penn Manor, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
William Penn Manor, PA
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
