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
April's onset is marked by a temperature increase, moving from a chilly 46.8°F (8.2°C) in March to a mild 59.2°F (15.1°C). Throughout April, the nighttime temperature averages to an icy 39.7°F (4.3°C).Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 76%.Rainfall
In Crystal Spring, in April, it is raining for 13.9 days, with typically 1.73" (44mm) of accumulated precipitation. In Crystal Spring, Pennsylvania, during the entire year, the rain falls for 126 days and collects up to 15.47" (393mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.1 snowfall days, in April, Crystal Spring aggregates 0.31" (8mm) of snow. Throughout the year, there are 28.3 snowfall days, and 9.57" (243mm) of snow is accumulated.Daylight
In Crystal Spring, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:06 pm EDT.
Sunshine
In Crystal Spring, the average sunshine in April is 7.8h.UV index
In Crystal Spring, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during April leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. 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
What is the usual temperature for Crystal Spring in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April in Crystal Spring?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Crystal Spring have in April?
What is the UV index reading in April in Crystal Spring?
Average temperature in April
Crystal Spring, PA
- Average high temperature in April: 59.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Crystal Spring, 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
Crystal Spring, PA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Crystal Spring, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in April
Crystal Spring, PA
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in April
Crystal Spring, PA
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in April
Crystal Spring, PA
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Crystal Spring, PA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Crystal Spring, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Crystal Spring, PA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in April
Crystal Spring, 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, November and December (UV index 2).
Average cloud cover in April
Crystal Spring, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Crystal Spring, PA
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Crystal Spring, Pennsylvania, USA
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