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
Noticing a change, the average high-temperature during April moves from March's cool 54.5°F (12.5°C) to an enjoyable 65.1°F (18.4°C). Throughout April, Mascoutah's nights cool down to an average of 47.8°F (8.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In April, the rain falls for 12.3 days. Throughout April, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 110.1 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
In Mascoutah, snow does not fall in April through October.Daylight
In Mascoutah, the average length of the day in April 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 6:02 am and sunset at 7:50 pm CDT.
Sunshine
In Mascoutah, the average sunshine in April is 8.5h.UV index
In Mascoutah, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the average April temperature in Mascoutah?
What is the average humidity in April in Mascoutah?
How much does it rain in Mascoutah in April?
When it does not snow in Mascoutah?
Does it snow in Mascoutah in April?
What is the average length of the day in April in Mascoutah?
When are sunrise and sunset in April in Mascoutah?
How long on average sun shines in April in Mascoutah?
What is the UV index intensity in April in Mascoutah?
Average temperature in April
Mascoutah, IL
- Average high temperature in April: 65.1°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: 47.8°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
Mascoutah, 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 (29.92"Hg).
Average wind speed in April
Mascoutah, IL
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in April
Mascoutah, IL
- Average humidity in April: 77%
The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Mascoutah, IL
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in April
Mascoutah, IL
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Mascoutah, IL
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Mascoutah, IL
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Mascoutah, 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Mascoutah, IL
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in April
Mascoutah, 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
Mascoutah, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Mascoutah, 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).
Mascoutah, Illinois, USA
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