Decatur weather in December (Illinois, United States of America)
What kind of temperatures can you expect in Decatur during December? Here's what you need to know about the weather for the month.
Temperatures
In December, Decatur usually has low temperatures and moderate snow/rainfall. December is a notable month of the winter season. During the day, temperatures can climb to about 5°C. At night, they may fall to a cooler -4°C. It's a notably cold month; make sure to wear layers to stay warm. It's wiser to gear up in advance than to be caught off-guard, trembling in the cold.
Precipitation
Decatur in December usually receives moderate snow/rainfall, averaging around 90 mm for the month. Historically, the month has about 11 days of snow/rain.Average sunshine
The city usually sees around 129 hours of sunlight, indicating a moderately sunny period.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Decatur. August and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Decatur climate page with graphs.
Decatur, monthly averages in December
Min Temperature
-4°C
Max Temperature
5°C
Chance of Rain
37%
Precipitation
90 mm
Rainy days
11 days
Humidity
78% *
Sunshine
129 hours *
Percentage Sunshine
44% *
Where to go in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Decatur.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
