April weather forecastSerena, IL
April
Weather in April
April in Serena, Illinois, is a mild spring month, with an average temperature varying between 58.5°F (14.7°C) and 41.7°F (5.4°C).Temperature
As April sets, the average high-temperature shows an increase, moving up from a chilly 46.4°F (8°C) in March to a mild 58.5°F (14.7°C). The nighttime temperature, during April, averages of 41.7°F (5.4°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Serena, in April, during 11.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 97.4 rainfall days, and 8.07" (205mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1 snowfall days, in April, Serena aggregates 0.59" (15mm) of snow. In Serena, during the entire year, snow falls for 26.1 days and aggregates up to 3.54" (90mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:52 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In Serena, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the UV index of 3 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Serena, IL
- Average high temperature in April: 58.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Serena, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Serena, IL
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Serena, 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
Serena, IL
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in April
Serena, IL
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in April
Serena, IL
- Average snowfall in April: 0.59"
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
Serena, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Serena, 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 36min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Serena, IL
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in April
Serena, 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
Serena, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in April
Serena, 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).
