December 2021 Climate Summary

December 2021 Precipitation Highlights:

December saw below normal precipitation across portions of central IL near and west of I-55, with above normal precipitation farther southeast. Parts of southeast IL saw monthly totals around 1 inch above normal, while areas along and west of the Illinois River saw deficits of half to 1 inch. Snowfall was well below normal, with only one event producing any accumulation of note, when up to 3 inches fell over northern portions of central IL on Dec. 28. Peoria had it's 3rd latest 1st measurable snowfall on Dec 28th while Springfield was tied for its 2nd latest 1st measurable snowfall on Jan 1st.

December 2021 Temperature Highlights:

Temperatures across central Illinois were 7-10 degrees warmer than normal, making it one of the warmest Decembers on record. Lincoln had its 2nd warmest December, while Peoria and Springfield had their 3rd warmest December on record.

Climate Statistics December 2021:

Site	Precipitation	Departure from Normal	Snowfall	Departure from Normal	Average Temperature	Departure from Normal
Charleston	"	"			-	-
Canton	1.54"	-0.50"	2.0"	-2.1	-	-
Danville	2.72"	-0.01"	0.0"	-4.0	38.5	+6.1
Decatur	2.31"	-0.09"	0.0"	-3.5	41.0	+9.2
Effingham	3.27"	+0.46"	0.0"	-	-	-
Flora	3.63"	+0.37"	T	-4.5	43.5	+9.0
Galesburg	1.50"	-0.64"	2.0"	-3.9	35.7	+7.9
Morton	2.08"	-0.20"	1.0"	-4.8	-	-
Jacksonville	1.02"	-0.96"	0.0"	-3.5	40.1	+7.9
Lincoln	2.01"	-0.28"	T	-4.9	40.1	+9.0
Normal	2.30"	0	T	-3.6	37.7	+7.9
Olney	3.83"	+0.33"	0.0"	-2.7	44.2	+10.2
Paris	3.61"	+0.76"	0.0"	-4.0	40.6	+10.0
Peoria	1.54"	-0.67"	2.8"	-3.4	39.4	+8.6
Springfield	1.94"	-0.21"	T	-4.3	41.9	+9.0
Taylorville	2.34"	+0.12"	0.0"	-	40.6	-
Tuscola	2.55"	+0.02"	0.0"	-3.7	40.6	+9.2
Urbana	2.94"	+0.54"	0.1"	-4.7	39.4	+8.3

The following links are the monthly climate summaries for area cities. Only the summaries for Peoria, Springfield, and Lincoln are considered "official", meaning they are the station of record for their respective locations. The other summaries are "supplemental", meaning another location in the area is the official climate station for the city.

Peoria -- Peoria International Airport
Springfield -- Abraham Lincoln Capital Airport
Lincoln -- National Weather Service Office
Champaign -- University of Illinois-Willard Airport
Decatur -- Decatur Airport
Lawrenceville -- Lawrenceville-Vincennes International Airport
Mattoon -- Coles County Memorial Airport

Climate data for other cities is available at http://w2.weather.gov/climate/xmacis.php?wfo=ilx

January 2022 Look Ahead:

The official January 2022 outlooks from NOAA's Climate Predication center show cooler than normal temperatures and wetter than normal precipitation favored for central & southeast IL.