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 onset of April brings a temperature shift, with the average high-temperature moving from a frosty 49.5°F (9.7°C) in March to a comfortable 61.3°F (16.3°C). Throughout the nights in April, Collinsville experiences an average low-temperature of 43.9°F (6.6°C).Humidity
In Collinsville, the average relative humidity in April is 77%.Rainfall
In Collinsville, in April, it is raining for 16.5 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 169 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.5 snowfall days, in April, Collinsville aggregates 0.35" (9mm) of snow. Throughout the year, there are 40.7 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
In Collinsville, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 7:21 am and sunset at 8:02 pm. On the last day of April, sunrise is at 6:39 am and sunset at 8:31 pm EDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In Collinsville, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during April leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Collinsville?
What time are sunrise and sunset in April?
How many hours of sunshine does Collinsville have in April?
How high is the UV index in April?
Average temperature in April
Collinsville, OH
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Collinsville, OH
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Collinsville, OH
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Collinsville, OH
- Average humidity in April: 77%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in April
Collinsville, OH
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Collinsville, OH
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in April
Collinsville, OH
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Collinsville, OH
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Collinsville, OH
- 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: 7h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Collinsville, OH
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in April
Collinsville, OH
- 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
Collinsville, OH
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Collinsville, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Collinsville, Ohio, USA
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