Climate Jacksonville - Illinois

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	35	41	52	65	74	83
Average low in ºF Av. low Lo	17	20	29	40	50	59
Av. precipitation in inch Av. precip. Pre.	1.59	1.69	2.72	4.03	4.81	4.58
Av. snowfall in inch Snowfall Sn	5	5	2	0	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	86	85	79	67	53	39
Average low in ºF Av. low Lo	63	61	52	41	32	21
Av. precipitation in inch Av. precip. Pre.	3.95	3.42	3.53	3.01	3.62	2.50
Av. snowfall in inch Snowfall Sn	0	0	0	0	1	5

Jacksonville Climate Graph - Illinois Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	35.6	17.6	0.08	0.08	0.12	0.30
2 Jan	35.5	17.5	0.12	0.12	0.31	0.80
3 Jan	35.4	17.5	0.20	0.20	0.39	1.00
4 Jan	35.3	17.4	0.28	0.28	0.59	1.50
5 Jan	35.3	17.3	0.31	0.31	0.71	1.80
6 Jan	35.2	17.3	0.39	0.39	0.91	2.30
7 Jan	35.2	17.2	0.43	0.43	0.98	2.50
8 Jan	35.1	17.2	0.51	0.51	1.18	3.00
9 Jan	35.1	17.1	0.55	0.55	1.30	3.30
10 Jan	35.1	17.1	0.59	0.59	1.42	3.60
11 Jan	35.1	17.1	0.67	0.67	1.61	4.10
12 Jan	35.1	17.0	0.71	0.71	1.69	4.30
13 Jan	35.1	17.0	0.75	0.75	1.81	4.60
14 Jan	35.1	17.0	0.79	0.79	1.89	4.80
15 Jan	35.1	17.0	0.87	0.87	2.09	5.30
16 Jan	35.2	17.0	0.91	0.91	2.20	5.60
17 Jan	35.2	17.0	0.94	0.94	2.40	6.10
18 Jan	35.3	17.0	0.98	0.98	2.52	6.40
19 Jan	35.3	17.0	1.06	1.06	2.72	6.90
20 Jan	35.4	17.0	1.10	1.10	2.80	7.10
21 Jan	35.4	17.0	1.14	1.14	2.99	7.60
22 Jan	35.5	17.1	1.18	1.18	3.11	7.90
23 Jan	35.6	17.1	1.22	1.22	3.31	8.40
24 Jan	35.7	17.1	1.30	1.30	3.39	8.60
25 Jan	35.8	17.2	1.34	1.34	3.58	9.10
26 Jan	35.9	17.2	1.38	1.38	3.70	9.40
27 Jan	36.1	17.3	1.42	1.42	3.90	9.90
28 Jan	36.2	17.4	1.46	1.46	4.02	10.20
29 Jan	36.4	17.4	1.50	1.50	4.21	10.70
30 Jan	36.5	17.5	1.54	1.54	4.29	10.90
31 Jan	36.7	17.6	1.57	1.57	4.49	11.40

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Dec	52.0	34.0	0.20	0.00	0.0
02 Dec	34.0	28.9	0.12	0.79	0.0
03 Dec	34.0	24.1	0.00	0.00	0.0
04 Dec	46.9	27.0	0.00	0.00	0.0
05 Dec	55.0	27.0	0.00	0.00	0.0
06 Dec	60.1	27.0	0.00	0.00	0.0
07 Dec	44.1	21.0	0.00	0.00	0.0
08 Dec	45.0	23.0	0.00	0.00	0.0
09 Dec	53.1	37.0	0.00	0.00	0.0
10 Dec	51.1	18.0	0.01	0.00	0.0
11 Dec	34.0	16.0	0.00	0.00	0.0
12 Dec	39.0	18.0	0.00	0.00	0.0
13 Dec	52.0	34.0	0.00	0.00	0.0
14 Dec	36.0	21.0	0.00	0.00	0.0
15 Dec	39.9	19.9	0.00	0.00	0.0
16 Dec	33.1	19.9	0.25	3.50	3.0
17 Dec	28.9	18.0	0.01	0.31	0.0
18 Dec	28.9	17.1	0.00	0.00	0.0
19 Dec	30.0	12.9	0.00	0.00	0.0
20 Dec	42.1	21.9	0.00	0.00	0.0
21 Dec	45.0	26.1	0.00	0.00	0.0
22 Dec	48.0	26.1	0.00	0.00	0.0
23 Dec	55.9	28.0	0.00	0.00	0.0
24 Dec	60.1	30.0	0.00	0.00	0.0
25 Dec	63.0	35.1	0.00	0.00	0.0
26 Dec	64.9	39.0	0.00	0.00	0.0
27 Dec	66.9	37.0	0.00	0.00	0.0

	Dec 19	Normal
Average high temperature Av. high temp.	46.0 ºF	39 ºF
Average low temperature Av. low temp.	25.4 ºF	21 ºF
Total precipitation Total precip.	0.59 inch	2.50 inch
Total snowfall Total snowfall	4.60 inch	5 inch

Highest max temperature Highest max temp.	66.9 ºF	-
Lowest max temperature Lowest max temp.	28.9 ºF	-
Highest min temperature Highest min temp.	39.0 ºF	-
Lowest min temperature Lowest min temp.	12.9 ºF	-

Past weather December 2019 incomplete - Missing data

Station Data

Monthly averages Jacksonville
Longitude: -90.2383, Latitude: 39.7746
Average weather Jacksonville, IL - 62650

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, ...