April weather forecastGalesburg, IL
April
Weather in April
April in Galesburg, Illinois, is a mild spring month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 59.9°F (15.5°C).Temperature
Galesburg's weather in April shows a rise in the average high-temperature, moving up from March's frosty 48°F (8.9°C) to a moderate 59.9°F (15.5°C). During April, Galesburg experiences a consistent low-temperature average of 43.2°F (6.2°C).Humidity
In Galesburg, the average relative humidity in April is 75%.Rainfall
In Galesburg, Illinois, in April, it is raining for 11.8 days, with typically 1.3" (33mm) of accumulated precipitation. In Galesburg, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.Snowfall
Months with snowfall in Galesburg are January through April, October through December. April is the last month it regularly snows. During 0.9 snowfall days, in April, Galesburg aggregates 0.75" (19mm) of snow. Throughout the year, there are 28 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
In April, the average length of the day in Galesburg is 13h and 20min.On the first day of April, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:57 pm CDT.
Sunshine
The average sunshine in April in Galesburg is 7.9h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Galesburg, IL
- Average high temperature in April: 59.9°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 (29.5°F).
- Average low temperature in April: 43.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Galesburg, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Galesburg, IL
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Galesburg, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Galesburg, IL
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in April
Galesburg, IL
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in April
Galesburg, IL
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Galesburg, IL
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (8.8 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
Galesburg, IL
- Average daylight in April: 13h and 18min
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 54min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Galesburg, IL
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in April
Galesburg, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Galesburg, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Galesburg, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
