April weather forecastFayetteville, IL
April
Weather in April
April is a refreshing spring month in Fayetteville, Illinois, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.7°F (18.7°C).Temperature
The average high-temperature increases in April, moving from a cool 54.5°F (12.5°C) in March to an enjoyable 65.7°F (18.7°C). Fayetteville experiences an average low-temperature of 47.8°F (8.8°C) in month of April.Humidity
In April, the average relative humidity is 77%.Rainfall
In Fayetteville, in April, during 12.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 129.8 rainfall days, and 19.13" (486mm) of precipitation is accumulated.Snowfall
In Fayetteville, snow does not fall in April through August.Daylight
The average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:42 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fayetteville, IL
- Average high temperature in April: 65.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Fayetteville, 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
Fayetteville, IL
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Fayetteville, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Fayetteville, IL
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in April
Fayetteville, IL
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in April
Fayetteville, IL
- Average snowfall in April: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in April
Fayetteville, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Fayetteville, IL
- Average daylight in April: 13h and 12min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Fayetteville, IL
- Average sunshine days in April: 16 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in April
Fayetteville, 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
Fayetteville, IL
- Average cloud cover in April: 41
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in April
Fayetteville, 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).
