April weather forecastMendon, IL
April
Weather in April
April is a refreshing spring month in Mendon, Illinois, with an average temperature ranging between max 62.4°F (16.9°C) and min 45.1°F (7.3°C).Temperature
In Mendon, the average high-temperature in April rises, from a cool 50.9°F (10.5°C) in March, to an enjoyable 62.4°F (16.9°C). In Mendon, April's nights observe an average temperature dip to a chilly 45.1°F (7.3°C).Humidity
In Mendon, the average relative humidity in April is 75%.Rainfall
In April, the rain falls for 14.6 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 134.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Mendon aggregates 0.35" (9mm) of snow. In Mendon, during the entire year, snow falls for 27.6 days and aggregates up to 7.95" (202mm) of snow.Daylight
The average length of the day in April is 13h and 18min.On the first day of April, sunrise is at 6:47 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:59 pm CDT.
Sunshine
In Mendon, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mendon, IL
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Mendon, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Mendon, IL
- Average wind speed in April: 10.1mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in April
Mendon, IL
- Average humidity in April: 75%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Mendon, IL
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").
Average rainfall days in April
Mendon, IL
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in April
Mendon, IL
- Average snowfall in April: 0.35"
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
Mendon, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (8.8 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
Mendon, 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 6min
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 18min).
Average sunshine days in April
Mendon, IL
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Mendon, 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
Mendon, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Mendon, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
