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
The shift into April is marked by a rise in the average high-temperature, moving from March's fresh 52.5°F (11.4°C) to a refreshing 64.2°F (17.9°C). Jerseyville's temperature tends to fall to an average low of 46.8°F (8.2°C) during the nights of April.Humidity
In Jerseyville, Illinois, the average relative humidity in April is 76%.Rainfall
In Jerseyville, in April, it is raining for 14.1 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in Jerseyville, there are 136.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
In Jerseyville, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of April, in Jerseyville, sunrise is at 6:03 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April in Jerseyville, Illinois, is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jerseyville in April?
What is the average humidity in April in Jerseyville?
How much does it rain in Jerseyville in April?
When it does not snow in Jerseyville?
Does it snow in Jerseyville in April?
What is the average length of the day in April in Jerseyville?
What time are sunrise and sunset in April in Jerseyville?
How many hours of sunshine does Jerseyville have in April?
What is the UV index intensity in April in Jerseyville?
Average temperature in April
Jerseyville, IL
- Average high temperature in April: 64.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in April: 46.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in April
Jerseyville, 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 (29.92"Hg).
Average wind speed in April
Jerseyville, IL
- Average wind speed in April: 9.4mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
Jerseyville, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Jerseyville, IL
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in April
Jerseyville, IL
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in April
Jerseyville, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Jerseyville, IL
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.2 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
Jerseyville, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Jerseyville, IL
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).
Average UV index in April
Jerseyville, 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
Jerseyville, IL
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in April
Jerseyville, 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).
Jerseyville, Illinois, USA
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