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 average high-temperature increases in April, moving from a chilly 47.8°F (8.8°C) in March to a refreshing 59.4°F (15.2°C). In April, Effner encounters an average low-temperature of 43.5°F (6.4°C) during the night.Humidity
In Effner, the average relative humidity in April is 75%.Rainfall
In Effner, in April, during 14.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Effner, during the entire year, the rain falls for 140.3 days and collects up to 17.56" (446mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Effner aggregates 0.75" (19mm) of snow. Throughout the year, there are 36.9 snowfall days, and 7.56" (192mm) of snow is accumulated.Daylight
In Effner, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:15 pm. On the last day of April, in Effner, sunrise is at 5:48 am and sunset at 7:45 pm CDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In Effner, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Effner have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Effner have in April?
How high is the UV index in April?
Average temperature in April
Effner, IL
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Effner, 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 (29.93"Hg).
Average wind speed in April
Effner, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Effner, 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 (72%).
Average rainfall in April
Effner, IL
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is May (2.64").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in April
Effner, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in April
Effner, IL
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Effner, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.3 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
Effner, IL
- Average daylight in April: 13h and 2min
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 18min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Effner, IL
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in April
Effner, IL
- Average UV index in April: 4
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
Effner, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in April
Effner, 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).
Effner, Illinois, USA
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