April weather forecastTolono, IL
April
Weather in April
April in Tolono, Illinois, is a comfortable spring month, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 61.5°F (16.4°C).Temperature
April brings a temperature increase, with average high-temperatures moving from March's frosty 49.6°F (9.8°C) to an enjoyable 61.5°F (16.4°C). Throughout April, the average low-temperature dips to a frosty 45.7°F (7.6°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In April, the rain falls for 15.1 days. Throughout April, 2.76" (70mm) of precipitation is accumulated. In Tolono, Illinois, during the entire year, the rain falls for 143.2 days and collects up to 23.11" (587mm) of precipitation.Snowfall
Months with snowfall in Tolono, Illinois, are January through April, November and December. April is the last month it regularly snows in Tolono. During 0.8 snowfall days, in April, Tolono aggregates 0.2" (5mm) of snow. Throughout the year, there are 30.6 snowfall days, and 8.54" (217mm) of snow is accumulated.Daylight
In Tolono, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:17 pm. On the last day of April, in Tolono, sunrise is at 5:53 am and sunset at 7:47 pm CDT.
Sunshine
In Tolono, Illinois, the average sunshine in April is 8h.UV index
The average daily maximum UV index in April in Tolono is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tolono, IL
- Average high temperature in April: 61.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Tolono, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Tolono, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in April
Tolono, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Tolono, IL
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in April
Tolono, IL
- Average rainfall days in April: 15.1 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in April
Tolono, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Tolono, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.4 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
Tolono, IL
- 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 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Tolono, IL
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Tolono, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Tolono, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in April
Tolono, 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).
