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 brings a temperature change, with average high-temperatures moving from March's frosty 49.1°F (9.5°C) to an enjoyable 61.2°F (16.2°C). Westville experiences an average low-temperature of 45°F (7.2°C) in month of April.Humidity
The average relative humidity in April is 76%.Rainfall
The month with the most rainfall in Westville is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.Snowfall
Months with snowfall in Westville are January through April, November and December. April is the last month it regularly snows in Westville. During 0.9 snowfall days, in April, Westville aggregates 0.28" (7mm) of snow. In Westville, during the entire year, snow falls for 35.2 days and aggregates up to 8.82" (224mm) of snow.Daylight
In April, the average length of the day is 13h and 18min.On the first day of April in Westville, sunrise is at 6:33 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:44 pm CDT.
Sunshine
In Westville, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Westville is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 4 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Westville in April?
What is the average humidity in April in Westville?
What is the rainiest month in Westville?
How many days does it rain in April in Westville?
What is the last month it snows in Westville?
What is the average length of the day in April in Westville?
When are sunrise and sunset in April in Westville?
How long on average sun shines in April in Westville?
What is the UV index reading in April in Westville?
Average temperature in April
Westville, IL
- Average high temperature in April: 61.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Westville, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Westville, IL
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Westville, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Westville, IL
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days in April
Westville, IL
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in April
Westville, IL
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Westville, IL
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (10.6 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
Westville, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Westville, IL
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Westville, 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
Westville, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in April
Westville, 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).
Westville, Illinois, USA
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