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 cool 54.1°F (12.3°C) in March to a comfortable 64.9°F (18.3°C). In April, the nighttime temperature lowers to an average of 48.2°F (9°C).Humidity
In Sims, the average relative humidity in April is 77%.Rainfall
The month with the most rainfall in Sims, Illinois, is April, when the rain falls for 16.5 days and typically aggregates up to 4.96" (126mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Sims. April is the last month it regularly snows. During 0.4 snowfall days, in April, Sims aggregates 0.16" (4mm) of snow. Throughout the year, there are 21.2 snowfall days, and 6.97" (177mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:17 pm. On the last day of April, sunrise is at 5:57 am and sunset at 7:45 pm CDT.
Sunshine
In April, the average sunshine in Sims, Illinois, is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Sims?
What is the average humidity in April in Sims?
What is the rainiest month in Sims?
How much does it rain in Sims in April?
What is the last month it snows in Sims?
How many hours of daylight does Sims have in April?
What time are sunrise and sunset in April in Sims?
How long on average sun shines in April in Sims?
How high is the UV index in April in Sims?
Average temperature in April
Sims, IL
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 48.2°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 (25°F).
Average pressure in April
Sims, 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 (29.94"Hg).
Average wind speed in April
Sims, IL
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Sims, 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 (70%).
Average rainfall in April
Sims, IL
- Average rainfall in April: 4.96"
The wettest month (with the highest rainfall) is April (4.96").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Sims, IL
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in April
Sims, IL
- Average snowfall in April: 0.16"
The months with the highest snowfall are January and February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sims, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (6.7 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
Sims, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Sims, IL
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (9 days).
Average UV index in April
Sims, 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, November and December (UV index 2).
Average cloud cover in April
Sims, IL
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Sims, 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).
Sims, Illinois, USA
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