April weather forecastChester, PA
April
Weather in April
April is characterized by a significant leap in temperatures, helping to shake off the lingering chill of winter. Chester experiences rainfall around 2.01" (51mm), with the recurrence of rain affecting the relative humidity. Despite the showers, the amount of sunshine per day increases, indicating the progression towards the brighter, warmer months. With the flora in full bloom, the city of Chester starts to peep through its spring canvas.Temperature
The shift from March to April is marked by an increase in the average high-temperature, moving from a chilly 49.6°F (9.8°C) to a refreshing 61.5°F (16.4°C). In the month of April, the average low-temperature usually rests at a frosty 45°F (7.2°C).Humidity
April is the least humid month, with an average relative humidity of 71%.Rainfall
In Chester, during April, the rain falls for 13.4 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 148.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Chester. In April, in Chester, it is snowing for 0.3 days. Throughout April, 0.2" (5mm) of snow is accumulated. In Chester, during the entire year, snow falls for 12.6 days and aggregates up to 7.28" (185mm) of snow.Daylight
In Chester, the average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 6:44 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:55 pm EDT.
Sunshine
In April, the average sunshine is 8.5h.UV index
In Chester, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Chester, PA
- Average high temperature in April: 61.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Chester, 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
Chester, PA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Chester, PA
- Average humidity in April: 71%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Chester, PA
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in April
Chester, PA
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in April
Chester, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Chester, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Chester, 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 30min
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 54min).
Average sunshine days in April
Chester, PA
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in April
Chester, 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, November and December (UV index 2).
Average cloud cover in April
Chester, PA
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Chester, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





