April weather forecastPomona, IL
April
Weather in April
April in Pomona, Illinois, is an enjoyable spring month, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 48.6°F (9.2°C).Temperature
An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 55.2°F (12.9°C) to a refreshing 66.2°F (19°C). Pomona's nights in April cool down to an average low-temperature of 48.6°F (9.2°C).Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall in Pomona, Illinois. Rain falls for 15.5 days and accumulates 4.49" (114mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Pomona aggregates 0.08" (2mm) of snow. In Pomona, during the entire year, snow falls for 15.9 days and aggregates up to 5.71" (145mm) of snow.Daylight
In April, the average length of the day is 13h and 12min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:20 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:47 pm CDT.
Sunshine
The average sunshine in April in Pomona is 8.7h.UV index
In Pomona, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during April translates into the following guidance:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Pomona, IL
- Average high temperature in April: 66.2°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in April
Pomona, 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
Pomona, IL
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Pomona, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Pomona, IL
- Average rainfall in April: 4.49"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Pomona, IL
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
Pomona, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Pomona, IL
- Average snowfall days in April: 0.4 days
The months with the highest number of snowfall days are January and February (4.8 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
Pomona, IL
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Pomona, IL
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Pomona, IL
- Average UV index in April: 5
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
Pomona, IL
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in April
Pomona, 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).
