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
The onset of April brings a rise in the average high-temperature, elevating from a chilly 44.1°F (6.7°C) in March to a mild 56.5°F (13.6°C). During April, the nighttime temperature averages of 37.9°F (3.3°C).Humidity
The average relative humidity in April is 77%.Rainfall
In West Decatur, during April, the rain falls for 16.8 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 159 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In West Decatur, Pennsylvania, during April, snow falls for 3.3 days and regularly aggregates up to 1.02" (26mm) of snow. In West Decatur, during the entire year, snow falls for 67.7 days and aggregates up to 23.54" (598mm) of snow.Daylight
In West Decatur, Pennsylvania, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:38 pm. On the last day of April, sunrise is at 6:11 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In West Decatur, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are April temperatures in West Decatur?
What is the average humidity in April in West Decatur?
How much does it rain in West Decatur in April?
How much does it snow in West Decatur in April?
What is the average length of the day in April in West Decatur?
When are sunrise and sunset in April in West Decatur?
How many hours of sunshine does West Decatur have in April?
How high is the UV index in April in West Decatur?
Average temperature in April
West Decatur, PA
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
West Decatur, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
West Decatur, PA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
West Decatur, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).
Average rainfall in April
West Decatur, PA
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in April
West Decatur, PA
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in April
West Decatur, PA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
West Decatur, PA
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
West Decatur, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
West Decatur, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in April
West Decatur, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
West Decatur, PA
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in April
West Decatur, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
West Decatur, Pennsylvania, USA
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