December weather forecastEast Galesburg, IL
December
Weather in December
December, the first month of the winter in East Galesburg, is also an icy month, with an average temperature fluctuating between 24.6°F (-4.1°C) and 35.4°F (1.9°C).Temperature
The arrival of December corresponds with a shift in temperature, down from a frosty 47.5°F (8.6°C) in November to a wintry 35.4°F (1.9°C). An average low-temperature of 24.6°F (-4.1°C) is expected in East Galesburg during December.Humidity
In East Galesburg, the average relative humidity in December is 81%.Rainfall
January and December are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.47" (12mm) of rain.Snowfall
Months with snowfall in East Galesburg, Illinois, are January through April, October through December. In East Galesburg, during December, snow falls for 6 days and regularly aggregates up to 0.43" (11mm) of snow. In East Galesburg, during the entire year, snow falls for 28 days and aggregates up to 4.53" (115mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in East Galesburg, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 4.4h.UV index
The month with the lowest UV index in East Galesburg is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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 December
East Galesburg, IL
- Average high temperature in December: 35.4°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 December: 24.6°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 December
East Galesburg, IL
- Average pressure in December: 30.11"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 December
East Galesburg, IL
- Average wind speed in December: 9.9mph
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 December
East Galesburg, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
East Galesburg, IL
- Average rainfall in December: 0.47"
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 December
East Galesburg, IL
- Average rainfall days in December: 4.5 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 December
East Galesburg, IL
- Average snowfall in December: 0.43"
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 December
East Galesburg, IL
- Average snowfall days in December: 6 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 December /
Average sunshine in December
East Galesburg, IL
- Average daylight in December: 9h 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 December: 4h and 24min
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 December
East Galesburg, IL
- Average sunshine days in December: 21.6 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 December
East Galesburg, IL
- Average UV index in December: 1
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 December
East Galesburg, IL
- Average cloud cover in December: 54
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 December
East Galesburg, IL
- Average visibility in December: 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).
