April weather forecastColchester, IL
April
Weather in April
April is a comfortable spring month in Colchester, Illinois, with an average temperature varying between 44.2°F (6.8°C) and 61.3°F (16.3°C).Temperature
An increase in the average high-temperature marks April, moving from March's frosty 49.6°F (9.8°C) to a refreshing 61.3°F (16.3°C). Colchester reports a consistent average low-temperature of 44.2°F (6.8°C) throughout April nights.Humidity
The average relative humidity in April is 75%.Rainfall
In Colchester, Illinois, in April, it is raining for 10.9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 94.4 rainfall days, and 7.76" (197mm) of precipitation is accumulated.Snowfall
Months with snowfall in Colchester are January through April, October through December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Colchester aggregates 0.12" (3mm) of snow. Throughout the year, there are 20.5 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
In Colchester, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:28 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:58 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during April leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Colchester, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in April
Colchester, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Colchester, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Colchester, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Colchester, IL
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in April
Colchester, IL
- Average rainfall days in April: 10.9 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Colchester, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Colchester, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (6.3 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
Colchester, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Colchester, IL
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (13.9 days).
Average UV index in April
Colchester, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Colchester, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Colchester, 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).
