Climate Charleston - Illinois

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	36	42	53	66	75	84
Average low in ºF Av. low Lo	20	24	33	44	53	62
Av. precipitation in inch Av. precip. Pre.	2.49	2.51	2.89	4.29	4.62	4.35
Av. snowfall in inch Snowfall Sn	8	4	2	0	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	86	85	79	67	53	40
Average low in ºF Av. low Lo	66	64	56	46	36	24
Av. precipitation in inch Av. precip. Pre.	4.47	2.93	3.24	3.76	3.97	3.15
Av. snowfall in inch Snowfall Sn	0	0	0	0	1	3

Charleston Climate Graph - Illinois Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	36.3	21.2	0.08	0.08	0.20	0.50
2 Jan	36.2	21.1	0.20	0.20	0.39	1.00
3 Jan	36.2	21.0	0.28	0.28	0.59	1.50
4 Jan	36.1	20.9	0.35	0.35	0.79	2.00
5 Jan	36.1	20.8	0.47	0.47	0.98	2.50
6 Jan	36.0	20.7	0.55	0.55	1.18	3.00
7 Jan	36.0	20.6	0.63	0.63	1.42	3.60
8 Jan	36.0	20.5	0.75	0.75	1.61	4.10
9 Jan	35.9	20.5	0.83	0.83	1.89	4.80
10 Jan	35.9	20.4	0.91	0.91	2.09	5.30
11 Jan	35.9	20.3	0.98	0.98	2.28	5.80
12 Jan	35.9	20.3	1.06	1.06	2.52	6.40
13 Jan	36.0	20.2	1.14	1.14	2.72	6.90
14 Jan	36.0	20.2	1.22	1.22	2.99	7.60
15 Jan	36.0	20.2	1.30	1.30	3.19	8.10
16 Jan	36.1	20.2	1.38	1.38	3.50	8.90
17 Jan	36.1	20.2	1.46	1.46	3.82	9.70
18 Jan	36.2	20.2	1.50	1.50	4.02	10.20
19 Jan	36.2	20.2	1.57	1.57	4.29	10.90
20 Jan	36.3	20.2	1.65	1.65	4.61	11.70
21 Jan	36.4	20.2	1.73	1.73	4.80	12.20
22 Jan	36.5	20.2	1.81	1.81	5.12	13.00
23 Jan	36.6	20.3	1.85	1.85	5.39	13.70
24 Jan	36.7	20.3	1.93	1.93	5.71	14.50
25 Jan	36.8	20.4	2.01	2.01	5.91	15.00
26 Jan	37.0	20.5	2.09	2.09	6.18	15.70
27 Jan	37.1	20.6	2.17	2.17	6.50	16.50
28 Jan	37.2	20.7	2.24	2.24	6.69	17.00
29 Jan	37.4	20.8	2.32	2.32	7.01	17.80
30 Jan	37.6	20.9	2.40	2.40	7.20	18.30
31 Jan	37.7	21.0	2.48	2.48	7.52	19.10

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Dec	55.0	35.1	0.12	0.00	0.0
03 Dec	43.0	37.9	0.00	0.00	-
10 Dec	32.0	18.0	0.00	0.00	0.0
11 Dec	39.9	16.0	0.00	0.00	0.0
12 Dec	46.9	26.1	0.00	0.00	0.0
13 Dec	46.9	33.1	0.00	0.00	0.0
15 Dec	32.0	19.0	0.18	4.49	4.0
16 Dec	30.9	25.0	0.15	0.91	5.0
17 Dec	30.0	19.0	0.12	0.98	7.0

	Dec 19	Normal
Average high temperature Av. high temp.	39.6 ºF	40 ºF
Average low temperature Av. low temp.	25.5 ºF	24 ºF
Total precipitation Total precip.	0.57 inch	3.15 inch
Total snowfall Total snowfall	6.38 inch	3 inch

Highest max temperature Highest max temp.	55.0 ºF	-
Lowest max temperature Lowest max temp.	30.0 ºF	-
Highest min temperature Highest min temp.	37.9 ºF	-
Lowest min temperature Lowest min temp.	16.0 ºF	-

Past weather December 2019 incomplete - Missing data

Station Data

Monthly averages Charleston
Longitude: -88.18, Latitude: 39.5
Average weather Charleston, IL - 61920

Monthly: 1981-2010 normals
History: 2007-2019

Abbreviations

Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...