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
Calvin, Pennsylvania, in April shows a temperature shift, moving from an average high of a frosty 46.2°F (7.9°C) in March to a moderate 58.8°F (14.9°C). Calvin experiences an average temperature drop to a cold 39.7°F (4.3°C) during April nights.Humidity
In April, the average relative humidity is 76%.Rainfall
In April, in Calvin, the rain falls for 15.5 days. Throughout April, 1.97" (50mm) of precipitation is accumulated. In Calvin, during the entire year, the rain falls for 148.3 days and collects up to 17.6" (447mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Calvin aggregates 0.31" (8mm) of snow. Throughout the year, there are 38.9 snowfall days, and 8.82" (224mm) of snow is accumulated.Daylight
In Calvin, the average length of the day in April is 13h and 19min.On the first day of April in Calvin, sunrise is at 6:54 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:06 pm EDT.
Sunshine
The average sunshine in April in Calvin is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Caution! The reflection of snow can nearly 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 are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Calvin?
What time are sunrise and sunset in April?
How many hours of sunshine does Calvin have in April?
What is the UV index reading in April?
Average temperature in April
Calvin, PA
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Calvin, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Calvin, PA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Calvin, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Calvin, PA
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in April
Calvin, PA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in April
Calvin, PA
- Average snowfall in April: 0.31"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Calvin, PA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Calvin, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Calvin, PA
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in April
Calvin, PA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Calvin, PA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Calvin, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Calvin, Pennsylvania, USA
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