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 54.5°F (12.5°C) in March to a comfortable 65.5°F (18.6°C). In the month of April, the average temperature in Smithton, Illinois, dips to a frosty 47.8°F (8.8°C) during the night.Humidity
In Smithton, the average relative humidity in April is 77%.Rainfall
In Smithton, Illinois, in April, during 11.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Smithton, Illinois, during the entire year, the rain falls for 103.8 days and collects up to 10.24" (260mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Smithton, Illinois, the average length of the day in April is 13h and 14min.On the first day of April in Smithton, sunrise is at 6:43 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April in Smithton is 8.4h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are the temperatures in Smithton in April?
What is the average humidity in April in Smithton?
How much does it rain in Smithton in April?
When it does not snow in Smithton?
Does it snow in Smithton in April?
How many hours of daylight does Smithton have in April?
What time are sunrise and sunset in April in Smithton?
How many hours of sunshine does Smithton have in April?
How high is the UV index in April in Smithton?
Average temperature in April
Smithton, IL
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Smithton, 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 (29.93"Hg).
Average wind speed in April
Smithton, IL
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Smithton, IL
- Average humidity in April: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Smithton, IL
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in April
Smithton, IL
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is December (5.3 days).
Average snowfall in April
Smithton, IL
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Smithton, IL
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.3 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
Smithton, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Smithton, IL
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in April
Smithton, 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 and December (UV index 2).
Average cloud cover in April
Smithton, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in April
Smithton, 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).
Smithton, Illinois, USA
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