Climate Grinnell - Iowa

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	29	34	46	60	70	80
Average low in ºF Av. low Lo	10	13	24	35	46	57
Av. precipitation in inch Av. precip. Pre.	0.99	1.41	2.34	3.59	4.47	4.84
Av. snowfall in inch Snowfall Sn	8	8	4	1	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	84	82	75	62	47	32
Average low in ºF Av. low Lo	61	59	49	37	26	14
Av. precipitation in inch Av. precip. Pre.	4.34	4.58	3.47	2.81	2.28	1.47
Av. snowfall in inch Snowfall Sn	0	0	0	0	1	8

Grinnell Climate Graph - Iowa Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	28.9	11.0	0.04	0.04	0.20	0.50
2 Jan	28.8	10.9	0.08	0.08	0.51	1.30
3 Jan	28.8	10.8	0.12	0.12	0.71	1.80
4 Jan	28.7	10.7	0.16	0.16	0.91	2.30
5 Jan	28.6	10.6	0.16	0.16	1.10	2.80
6 Jan	28.6	10.5	0.20	0.20	1.42	3.60
7 Jan	28.6	10.4	0.24	0.24	1.61	4.10
8 Jan	28.5	10.3	0.28	0.28	1.81	4.60
9 Jan	28.5	10.2	0.28	0.28	2.09	5.30
10 Jan	28.5	10.2	0.31	0.31	2.28	5.80
11 Jan	28.5	10.1	0.35	0.35	2.52	6.40
12 Jan	28.5	10.0	0.39	0.39	2.80	7.10

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Oct	86.0	69.1	-	-	-
02 Oct	82.9	57.0	4.50	-	-
03 Oct	62.1	-	0.87	-	-
05 Oct	-	39.0	0.16	-	-
06 Oct	63.0	39.9	1.33	-	-
09 Oct	69.1	-	-	-	-
10 Oct	-	48.9	0.40	-	-
11 Oct	-	37.0	0.58	-	-
12 Oct	39.9	28.9	-	-	-
13 Oct	55.9	-	-	-	-
14 Oct	50.0	-	-	-	-
15 Oct	-	28.0	-	-	-
16 Oct	-	41.0	-	-	-
17 Oct	48.0	-	-	-	-
18 Oct	60.1	-	-	-	-
19 Oct	70.0	-	0.02	-	-
20 Oct	59.0	-	0.15	-	-
21 Oct	64.0	34.0	0.50	-	-
22 Oct	54.0	43.0	0.28	-	-
23 Oct	-	32.0	-	-	-
24 Oct	57.0	33.1	0.08	-	-
25 Oct	46.9	-	-	-	-
26 Oct	53.1	24.1	-	-	-
27 Oct	51.1	-	-	-	-
28 Oct	52.0	-	-	-	-
29 Oct	44.1	23.0	0.11	1.18	-
30 Oct	42.1	21.9	-	-	-
31 Oct	33.1	25.0	0.09	1.50	1.0

	Oct 19	Normal
Average high temperature Av. high temp.	56.5 ºF	29 ºF
Average low temperature Av. low temp.	36.8 ºF	10 ºF
Total precipitation Total precip.	- inch	0.99 inch
Total snowfall Total snowfall	- inch	8 inch

Highest max temperature Highest max temp.	86.0 ºF	-
Lowest max temperature Lowest max temp.	33.1 ºF	-
Highest min temperature Highest min temp.	69.1 ºF	-
Lowest min temperature Lowest min temp.	21.9 ºF	-

Past weather October 2019 incomplete - Missing data

Station Data

Monthly averages Grinnell
Longitude: -92.736, Latitude: 41.7099
Average weather Grinnell, IA - 50112

Monthly: 1991-2020 normals
History: 2007-2019

Abbreviations

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