April weather forecastSouth Pottstown, PA
April
Weather in April
April in South Pottstown, Pennsylvania, is a mild spring month, with an average temperature ranging between min 42.3°F (5.7°C) and max 60.3°F (15.7°C).Temperature
South Pottstown's transition into April brings a rise in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in March to a moderate 60.3°F (15.7°C). During April, South Pottstown records a consistent average nighttime temperature of 42.3°F (5.7°C).Humidity
April and July, with an average relative humidity of 75%, are the least humid months.Rainfall
In South Pottstown, in April, it is raining for 14.4 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, in South Pottstown, Pennsylvania, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, South Pottstown aggregates 0.2" (5mm) of snow. Throughout the year, in South Pottstown, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
In South Pottstown, the average length of the day in April is 13h and 18min.On the first day of April, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:57 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In South Pottstown, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during April translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
South Pottstown, PA
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in April
South Pottstown, PA
- Average pressure in April: 29.99"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 in April
South Pottstown, PA
- Average wind speed in April: 8mph
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 in April
South Pottstown, PA
- Average humidity in April: 75%
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in April
South Pottstown, PA
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
South Pottstown, PA
- Average rainfall days in April: 14.4 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
South Pottstown, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
South Pottstown, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
South Pottstown, PA
- Average daylight in April: 13h 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 24min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
South Pottstown, PA
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
South Pottstown, PA
- Average UV index in April: 4
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, March, November and December (UV index 2).
Average cloud cover in April
South Pottstown, PA
- Average cloud cover in April: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
South Pottstown, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
