April weather forecastArlington Heights, PA
April
Weather in April
April in Arlington Heights, Pennsylvania, is a moderate spring month, with an average temperature ranging between min 38.7°F (3.7°C) and max 56.8°F (13.8°C).Temperature
As March gives way to April, the average high-temperature displays an increase, moving from a chilly 44.2°F (6.8°C) to a refreshing 56.8°F (13.8°C). April is noted for a mean low-temperature of 38.7°F (3.7°C).Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 77%.Rainfall
In Arlington Heights, in April, during 16.6 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 161.8 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.3 days. Throughout April, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 38.6 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of April, sunrise is at 6:42 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:56 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Arlington Heights, PA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Arlington Heights, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Arlington Heights, PA
- Average wind speed in April: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Arlington Heights, PA
- Average humidity in April: 77%
The months with the highest relative humidity are February, October and December (82%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in April
Arlington Heights, PA
- Average rainfall in April: 3.11"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
Arlington Heights, PA
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in April
Arlington Heights, PA
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Arlington Heights, PA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Arlington Heights, PA
- Average daylight in April: 13h and 18min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Arlington Heights, PA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is April (11.1 days).
Average UV index in April
Arlington Heights, 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
Arlington Heights, PA
- Average cloud cover in April: 49
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in April
Arlington Heights, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





