Climate Galva - Illinois

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	30	35	48	62	72	82
Average low in ºF Av. low Lo	13	17	27	38	49	59
Av. precipitation in inch Av. precip. Pre.	1.54	1.64	2.63	4.11	3.98	4.32
Av. snowfall in inch Snowfall Sn	7	5	2	1	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	85	83	76	64	48	34
Average low in ºF Av. low Lo	62	60	51	40	29	16
Av. precipitation in inch Av. precip. Pre.	3.84	4.22	3.41	2.83	3.03	2.23
Av. snowfall in inch Snowfall Sn	0	0	0	0	1	4

Galva Climate Graph - Illinois Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	30.4	12.9	0.08	0.08	0.20	0.50
2 Jan	30.3	12.8	0.12	0.12	0.39	1.00
3 Jan	30.2	12.7	0.20	0.20	0.59	1.50
4 Jan	30.1	12.7	0.24	0.24	0.79	2.00
5 Jan	30.1	12.6	0.28	0.28	0.98	2.50
6 Jan	30.0	12.5	0.35	0.35	1.18	3.00
7 Jan	29.9	12.5	0.39	0.39	1.42	3.60
8 Jan	29.9	12.4	0.47	0.47	1.61	4.10
9 Jan	29.9	12.4	0.51	0.51	1.89	4.80
10 Jan	29.8	12.3	0.55	0.55	2.09	5.30
11 Jan	29.8	12.3	0.63	0.63	2.28	5.80
12 Jan	29.8	12.3	0.67	0.67	2.60	6.60

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Mar	-	-	0.00	0.00	0.0
02 Mar	39.9	23.0	T	0.00	0.0
03 Mar	48.0	30.0	T	0.00	0.0
04 Mar	51.1	30.0	T	0.00	0.0
05 Mar	44.1	37.0	0.80	0.00	0.0
06 Mar	54.0	41.0	0.57	0.00	0.0
07 Mar	64.9	52.0	T	0.00	0.0
08 Mar	57.9	32.0	T	0.00	0.0
09 Mar	64.0	36.0	0.30	0.00	0.0
10 Mar	73.9	48.9	T	0.00	0.0
11 Mar	77.0	37.0	0.79	0.00	0.0
12 Mar	41.0	30.0	0.10	0.00	0.0
13 Mar	48.0	32.0	0.00	0.00	0.0
14 Mar	48.9	34.0	0.00	0.00	0.0
15 Mar	48.9	34.0	0.00	0.00	0.0
16 Mar	57.9	21.0	-	-	-
17 Mar	21.0	10.9	-	5.98	6.0
18 Mar	28.0	10.9	T	-	-
19 Mar	48.9	28.0	T	0.00	0.0
20 Mar	70.0	41.0	0.00	0.00	0.0
21 Mar	77.0	45.0	0.00	0.00	0.0
22 Mar	82.9	45.0	0.00	0.00	0.0
23 Mar	60.1	28.9	0.00	0.00	0.0
24 Mar	48.9	32.0	0.00	0.00	0.0
25 Mar	-	-	0.00	0.00	0.0
26 Mar	75.0	55.9	0.00	0.00	0.0
27 Mar	81.0	30.0	0.33	0.00	0.0
28 Mar	48.0	19.0	0.00	0.00	0.0
29 Mar	53.1	32.0	0.00	0.00	0.0
30 Mar	60.1	44.1	T	0.00	0.0
31 Mar	82.9	57.9	T	0.00	0.0

	Mar 26	Normal
Average high temperature Av. high temp.	- ºF	30 ºF
Average low temperature Av. low temp.	- ºF	13 ºF
Total precipitation Total precip.	2.89 inch	1.54 inch
Total snowfall Total snowfall	5.98 inch	7 inch

Highest max temperature Highest max temp.	82.9 ºF	-
Lowest max temperature Lowest max temp.	21.0 ºF	-
Highest min temperature Highest min temp.	57.9 ºF	-
Lowest min temperature Lowest min temp.	10.9 ºF	-

Past weather March 2026 incomplete - Missing data

USGS National Map — Open interactive map

Station Data

Monthly averages Galva
Longitude: -90.04, Latitude: 41.17
Average weather Galva, IL - 61434

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, ...