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
With the onset of April, Cullom's average high-temperature experiences a rise, moving from March's frosty 47.3°F (8.5°C) to a refreshing 59.4°F (15.2°C). In Cullom, the average low-temperature during the month of April is a frosty 43.5°F (6.4°C).Humidity
In Cullom, the average relative humidity in April is 74%.Rainfall
In Cullom, in April, it is raining for 12 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Cullom, there are 117.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Cullom aggregates 0.67" (17mm) of snow. Throughout the year, there are 31.9 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
In Cullom, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:51 am and sunset at 7:48 pm CDT.
Sunshine
In April, the average sunshine in Cullom is 7.7h.UV index
In Cullom, Illinois, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cullom in April?
What is the average humidity in April in Cullom?
How many days does it rain in April in Cullom?
What is the last month it snows in Cullom?
What is the average length of the day in April in Cullom?
What time are sunrise and sunset in April in Cullom?
How long on average sun shines in April in Cullom?
How high is the UV index in April in Cullom?
Average temperature in April
Cullom, IL
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 43.5°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 (18.3°F).
Average pressure in April
Cullom, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Cullom, IL
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Cullom, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Cullom, IL
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days in April
Cullom, IL
- Average rainfall days in April: 12 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in April
Cullom, IL
- Average snowfall in April: 0.67"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Cullom, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (9.9 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
Cullom, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Cullom, IL
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in April
Cullom, 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 and December (UV index 1).
Average cloud cover in April
Cullom, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Cullom, 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).
Cullom, Illinois, USA
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