April weather forecastDowell, IL
April
Weather in April
April in Dowell, Illinois, is a comfortable spring month, with an average temperature ranging between max 66°F (18.9°C) and min 48.4°F (9.1°C).Temperature
The transition to April introduces an increase in the average high-temperature, shifting from a fresh 55°F (12.8°C) in March to a comfortable 66°F (18.9°C). April's nights observe an average temperature of 48.4°F (9.1°C).Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.58" (91mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.5 snowfall days, in April, Dowell aggregates 0.08" (2mm) of snow. In Dowell, during the entire year, snow falls for 18 days and aggregates up to 4.53" (115mm) of snow.Daylight
In Dowell, the average length of the day in April is 13h and 13min.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 6:00 am and sunset at 7:47 pm CDT.
Sunshine
In Dowell, the average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Dowell, IL
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 48.4°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 (25.7°F).
Average pressure in April
Dowell, 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
Dowell, IL
- Average wind speed in April: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Dowell, 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
Dowell, IL
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in April
Dowell, IL
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in April
Dowell, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Dowell, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (5.4 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
Dowell, IL
- Average daylight in April: 13h and 12min
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 36min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Dowell, IL
- Average sunshine days in April: 12.4 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in April
Dowell, 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, February, November and December (UV index 2).
Average cloud cover in April
Dowell, IL
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Dowell, 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).
