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
As April sets, the average high-temperature shows an increase, moving up from a cool 53.8°F (12.1°C) in March to a comfortable 64.6°F (18.1°C). During April, Centralia records an average temperature of 47.7°F (8.7°C) at night.Humidity
The average relative humidity in April is 78%.Rainfall
The months with the most rainfall are April and July, with an average 0.75" (19mm) of precipitation.Snowfall
April through October are months without snowfall in Centralia.Daylight
In Centralia, Illinois, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:40 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine in Centralia is 8.3h.UV index
In April, the average daily maximum UV index in Centralia is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are April temperatures in Centralia?
What is the average humidity in April in Centralia?
What is the wettest month in Centralia?
How much does it rain in Centralia in April?
When it does not snow in Centralia?
Does it snow in Centralia in April?
What is the average length of the day in April in Centralia?
When are sunrise and sunset in April in Centralia?
How many hours of sunshine does Centralia have in April?
What is the UV index intensity in April in Centralia?
Average temperature in April
Centralia, IL
- Average high temperature in April: 64.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Centralia, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Centralia, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in April
Centralia, IL
- Average humidity in April: 78%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Centralia, IL
- Average rainfall in April: 0.75"
The wettest months (with the highest rainfall) are April and July (0.75").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in April
Centralia, IL
- Average rainfall days in April: 9.7 days
The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in April
Centralia, IL
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Centralia, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (3.8 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
Centralia, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Centralia, IL
- Average sunshine days in April: 18.9 days
The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).
Average UV index in April
Centralia, 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, November and December (UV index 2).
Average cloud cover in April
Centralia, IL
- Average cloud cover in April: 43
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Centralia, 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).
Centralia, Illinois, USA
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