Climate Stockton - Illinois

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	28	33	45	59	71	80
Average low in ºF Av. low Lo	11	16	26	37	48	58
Av. precipitation in inch Av. precip. Pre.	1.05	1.37	2.21	3.62	3.82	4.98
Av. snowfall in inch Snowfall Sn	9	7	4	1	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	82	80	74	61	46	32
Average low in ºF Av. low Lo	61	59	51	39	29	16
Av. precipitation in inch Av. precip. Pre.	3.87	4.60	3.69	3.06	2.66	1.70
Av. snowfall in inch Snowfall Sn	0	0	0	0	2	8

Stockton Climate Graph - Illinois Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	28.1	11.8	0.04	0.04	0.31	0.80
2 Jan	28.0	11.7	0.08	0.08	0.51	1.30
3 Jan	27.9	11.6	0.12	0.12	0.79	2.00
4 Jan	27.9	11.5	0.16	0.16	0.98	2.50
5 Jan	27.8	11.5	0.20	0.20	1.30	3.30
6 Jan	27.8	11.4	0.24	0.24	1.61	4.10
7 Jan	27.7	11.3	0.28	0.28	1.89	4.80
8 Jan	27.7	11.3	0.28	0.28	2.20	5.60
9 Jan	27.7	11.2	0.31	0.31	2.52	6.40
10 Jan	27.7	11.2	0.35	0.35	2.80	7.10
11 Jan	27.6	11.1	0.39	0.39	3.11	7.90
12 Jan	27.6	11.1	0.43	0.43	3.50	8.90

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Jun	80.1	57.0	0.00	0.00	0.0
02 Jun	80.1	50.0	0.00	0.00	0.0
03 Jun	82.0	48.0	0.00	0.00	0.0
04 Jun	82.9	53.1	0.00	0.00	0.0
05 Jun	87.1	62.1	0.66	0.00	0.0
06 Jun	80.1	66.0	0.03	0.00	0.0
07 Jun	89.1	64.9	0.00	0.00	0.0
08 Jun	-	-	-	-	-
09 Jun	-	-	-	-	-
10 Jun	-	-	-	-	-
11 Jun	-	-	-	-	-
12 Jun	-	-	-	-	-
13 Jun	-	-	-	-	-
14 Jun	-	-	-	-	-
15 Jun	-	-	-	-	-
16 Jun	-	-	-	-	-
17 Jun	-	-	-	-	-
18 Jun	-	-	-	-	-
19 Jun	-	-	-	-	-
20 Jun	-	-	-	-	-
21 Jun	-	-	-	-	-
22 Jun	-	-	-	-	-
23 Jun	-	-	-	-	-
24 Jun	-	-	-	-	-
25 Jun	-	-	-	-	-
26 Jun	-	-	-	-	-
27 Jun	-	-	-	-	-
28 Jun	-	-	-	-	-
29 Jun	-	-	-	-	-
30 Jun	-	-	-	-	-

	Jun 26	Normal
Average high temperature Av. high temp.	83.1 ºF	28 ºF
Average low temperature Av. low temp.	57.3 ºF	11 ºF
Total precipitation Total precip.	0.69 inch	1.05 inch
Total snowfall Total snowfall	0.00 inch	9 inch

Highest max temperature Highest max temp.	89.1 ºF	-
Lowest max temperature Lowest max temp.	80.1 ºF	-
Highest min temperature Highest min temp.	66.0 ºF	-
Lowest min temperature Lowest min temp.	48.0 ºF	-

Past weather June 2026 incomplete - Missing data

USGS National Map — Open interactive map

Station Data

Monthly averages Stockton
Longitude: -90.01, Latitude: 42.35
Average weather Stockton, IL - 61085

Monthly: 1991-2020 normals
History: 2007-2026

Abbreviations

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