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
April's arrival brings a change in high-temperatures, moving from a cool 51.8°F (11°C) in March to an enjoyable 63.5°F (17.5°C). Exeter reports a consistent average low-temperature of 46°F (7.8°C) throughout April nights.Humidity
In Exeter, the average relative humidity in April is 75%.Rainfall
In Exeter, during April, the rain falls for 15.9 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, there are 155.4 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Exeter. April is the last month it regularly snows. During 0.7 snowfall days, in April, Exeter aggregates 0.12" (3mm) of snow. In Exeter, during the entire year, snow falls for 30.2 days and aggregates up to 10.75" (273mm) of snow.Daylight
In April, the average length of the day in Exeter is 13h and 17min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:55 pm CDT.
Sunshine
The average sunshine in April in Exeter is 8.3h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in April leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Exeter?
What is the average humidity in April in Exeter?
How much does it rain in Exeter in April?
What is the last month it snows in Exeter?
What is the average length of the day in April in Exeter?
When are sunrise and sunset in April in Exeter?
How long on average sun shines in April in Exeter?
What is the UV index reading in April in Exeter?
Average temperature in April
Exeter, IL
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Exeter, 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 (29.91"Hg).
Average wind speed in April
Exeter, IL
- Average wind speed in April: 9.9mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in April
Exeter, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Exeter, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in April
Exeter, IL
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in April
Exeter, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Exeter, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (9.8 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
Exeter, 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 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Exeter, IL
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in April
Exeter, IL
- Average UV index in April: 4
The months with the highest UV index are 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
Exeter, IL
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in April
Exeter, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Exeter, Illinois, USA
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