April weather forecastWillow Lake, PA
April
Weather in April
April is a moderate spring month in Willow Lake, Pennsylvania, with an average temperature ranging between min 40.3°F (4.6°C) and max 57.7°F (14.3°C).Temperature
With the onset of April, Willow Lake sees a temperature rise, with the average high-temperature moving from March's frosty 45.9°F (7.7°C) to a refreshing 57.7°F (14.3°C). During April, the nighttime temperature averages to a cold 40.3°F (4.6°C).Humidity
The months with the lowest humidity are March and April, with an average relative humidity of 77%.Rainfall
In Willow Lake, in April, it is raining for 14.8 days, with typically 1.85" (47mm) of accumulated precipitation. In Willow Lake, during the entire year, the rain falls for 145.2 days and collects up to 21.1" (536mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Willow Lake, in April, snow falls for 0.8 days, with typically accumulated 0.16" (4mm) of snow. In Willow Lake, during the entire year, snow falls for 28.1 days and aggregates up to 8.94" (227mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:03 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index in Willow Lake is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Willow Lake, PA
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Willow Lake, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Willow Lake, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Willow Lake, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in April
Willow Lake, PA
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in April
Willow Lake, PA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Willow Lake, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Willow Lake, PA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Willow Lake, 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 18min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in April
Willow Lake, PA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Willow Lake, PA
- Average UV index in April: 4
The month with the highest UV index is July (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
Willow Lake, PA
- Average cloud cover in April: 47
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Willow Lake, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).





