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
An increase in the average high-temperature marks April, moving from March's fresh 54.1°F (12.3°C) to an enjoyable 64.9°F (18.3°C). The average nighttime temperature lowers to a frosty 47.7°F (8.7°C) throughout April.Humidity
In Summerfield, the average relative humidity in April is 77%.Rainfall
In Summerfield, Illinois, in April, during 14.9 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Summerfield aggregates 0.04" (1mm) of snow. In Summerfield, during the entire year, snow falls for 22.4 days and aggregates up to 6.1" (155mm) of snow.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:22 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April in Summerfield, Illinois, is 8.4h.UV index
In April, the average daily maximum UV index in Summerfield is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Summerfield in April?
What is the average humidity in April in Summerfield?
How many days does it rain in April in Summerfield?
What is the last month it snows in Summerfield?
What is the average length of the day in April in Summerfield?
When is the sunrise / sunset in April in Summerfield?
How many hours of sunshine does Summerfield have in April?
How high is the UV index in April in Summerfield?
Average temperature in April
Summerfield, IL
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Summerfield, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Summerfield, IL
- Average wind speed in April: 9.2mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Summerfield, IL
- Average humidity in April: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Summerfield, IL
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in April
Summerfield, IL
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in April
Summerfield, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Summerfield, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.5 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
Summerfield, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Summerfield, IL
- Average sunshine days in April: 13 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in April
Summerfield, IL
- Average UV index in April: 4
The months with the highest UV index are May, 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
Summerfield, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Summerfield, 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).
Summerfield, Illinois, USA
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