Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
West Chester in April shows a temperature shift, moving from an average high of a frosty 48.4°F (9.1°C) in March to a comfortable 61°F (16.1°C). During the month of April, the temperature falls to an average of 43.9°F (6.6°C).Humidity
The least humid month is April, with an average relative humidity of 73%.Rainfall
In April, the rain falls for 12.3 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. In West Chester, during the entire year, the rain falls for 128.5 days and collects up to 14.92" (379mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In West Chester, in April, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow. In West Chester, Pennsylvania, during the entire year, snow falls for 18.1 days and aggregates up to 5.43" (138mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.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 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April in West Chester?
When is the sunrise / sunset in April in West Chester?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
West Chester, PA
- Average high temperature in April: 61°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 (36.5°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
West 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
West Chester, PA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
West Chester, PA
- Average humidity in April: 73%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
West Chester, PA
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in April
West Chester, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
West Chester, PA
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
West Chester, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 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
West Chester, PA
- Average daylight in April: 13h 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 April: 8h and 1min
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 36min).
Average sunshine days in April
West Chester, 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 August (13.1 days).
Average UV index in April
West 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, March, November and December (UV index 2).
Average cloud cover in April
West Chester, PA
- Average cloud cover in April: 46
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
West Chester, 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).
West Chester, Pennsylvania, USA
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