April weather forecastExton, PA
April
Weather in April
April's arrival in Exton comes with an appreciable jump in temperature, climbing from 43.5°F (6.4°C) to 60.6°F (15.9°C). Spring is in full bloom, with the most substantial dip in the snowfall to an almost negligible 0.16" (4mm). The increase in daylight hours symbolizes the transition towards longer, sunlit days, indicating the close of the wintry times. Though rainfall becomes more frequent, the cloud coverage declines slightly, offering a clearer skyline. The month, thus, brings a pleasant mixture of sunny and rainy days.Temperature
The beginning of April marks a shift in the average high-temperature, moving from March's chilly 48.2°F (9°C) to a refreshing 60.6°F (15.9°C). Exton witnesses a consistent average low-temperature of 43.5°F (6.4°C) throughout April.Humidity
April and July, with an average relative humidity of 73%, are the least humid months.Rainfall
In Exton, in April, it is raining for 12.3 days, with typically 0.98" (25mm) of accumulated precipitation. In Exton, during the entire year, the rain falls for 124.6 days and collects up to 14.25" (362mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Exton. In Exton, Pennsylvania, in April, during 0.3 snowfall days, 0.16" (4mm) of snow is typically accumulated. In Exton, during the entire year, snow falls for 18.5 days and aggregates up to 5.51" (140mm) of snow.Daylight
The average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:56 pm EDT.
Sunshine
In Exton, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Exton, PA
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Exton, 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
Exton, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Exton, PA
- Average humidity in April: 73%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall in April
Exton, PA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in April
Exton, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).
Average snowfall in April
Exton, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Exton, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Exton, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Exton, PA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in April
Exton, 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
Exton, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Exton, 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).
