April weather forecastArlington, IL
April
Weather in April
April is a refreshing spring month in Arlington, Illinois, with an average temperature varying between 57.9°F (14.4°C) and 41.7°F (5.4°C).Temperature
April signals a shift in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a refreshing 57.9°F (14.4°C). In April, Arlington reports a consistent average low-temperature of 41.7°F (5.4°C) during the nights.Humidity
The average relative humidity in April in Arlington is 75%.Rainfall
In April, the rain falls for 11.2 days. Throughout April, 1.3" (33mm) of precipitation is accumulated. In Arlington, during the entire year, the rain falls for 107.9 days and collects up to 9.96" (253mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Arlington. During 1.3 snowfall days, in April, Arlington aggregates 0.71" (18mm) of snow. In Arlington, during the entire year, snow falls for 29.3 days and aggregates up to 3.86" (98mm) of snow.Daylight
In Arlington, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:54 am and sunset at 7:54 pm CDT.
Sunshine
In April, the average sunshine in Arlington is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of 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
Arlington, IL
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Arlington, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Arlington, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Arlington, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Arlington, IL
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in April
Arlington, IL
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in April
Arlington, IL
- Average snowfall in April: 0.71"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Arlington, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (8.6 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
Arlington, IL
- Average daylight in April: 13h and 24min
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 12min).
- Average sunshine in April: 7h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Arlington, IL
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Arlington, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Arlington, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in April
Arlington, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
