April weather forecastBrownstown, IL
April
Weather in April
April is a comfortable spring month in Brownstown, Illinois, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 63.5°F (17.5°C).Temperature
April indicates a change in the average high-temperature, moving up from a cool 52.2°F (11.2°C) in March to an enjoyable 63.5°F (17.5°C). During April, Brownstown's temperature falls to a steady low-temperature average of 46.6°F (8.1°C).Humidity
The average relative humidity in April in Brownstown, Illinois, is 77%.Rainfall
The wettest months are April and June, with an average 2.95" (75mm) of rainfall.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Brownstown aggregates 0.04" (1mm) of snow. Throughout the year, there are 18.9 snowfall days, and 5.24" (133mm) of snow is accumulated.Daylight
The average length of the day in April in Brownstown is 13h and 15min.On the first day of April, sunrise is at 6:38 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:48 pm CDT.
Sunshine
In Brownstown, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in April translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Brownstown, IL
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in April: 46.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Brownstown, 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
Brownstown, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Brownstown, IL
- Average humidity in April: 77%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Brownstown, IL
- Average rainfall in April: 2.95"
The wettest months (with the highest rainfall) are April and June (2.95").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in April
Brownstown, IL
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Brownstown, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Brownstown, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.7 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
Brownstown, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Brownstown, IL
- Average sunshine days in April: 13.8 days
The months with the most sunshine days are January and November (19.5 days).
The months with the least sunshine days are May and July (12.3 days).
Average UV index in April
Brownstown, 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
Brownstown, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in April
Brownstown, 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).
