Climate Mason City - Iowa

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	25	29	42	58	70	80
Average low in ºF Av. low Lo	7	12	24	35	47	57
Av. precipitation in inch Av. precip. Pre.	0.82	1.00	2.23	3.75	4.68	5.14
Av. snowfall in inch Snowfall Sn	11	8	6	3	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	83	81	73	60	43	28
Average low in ºF Av. low Lo	61	58	49	37	24	11
Av. precipitation in inch Av. precip. Pre.	4.70	4.04	3.27	2.45	1.88	1.24
Av. snowfall in inch Snowfall Sn	0	0	0	0	4	9

Mason City Climate Graph - Iowa Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	24.7	7.9	0.04	0.04	0.31	0.80
2 Jan	24.7	7.8	0.04	0.04	0.59	1.50
3 Jan	24.6	7.7	0.08	0.08	0.91	2.30
4 Jan	24.6	7.6	0.12	0.12	1.18	3.00
5 Jan	24.5	7.5	0.12	0.12	1.50	3.80
6 Jan	24.5	7.4	0.16	0.16	1.81	4.60
7 Jan	24.4	7.3	0.20	0.20	2.09	5.30
8 Jan	24.4	7.2	0.20	0.20	2.52	6.40
9 Jan	24.4	7.1	0.24	0.24	2.80	7.10
10 Jan	24.4	7.0	0.28	0.28	3.11	7.90
11 Jan	24.4	7.0	0.28	0.28	3.50	8.90
12 Jan	24.4	6.9	0.31	0.31	3.82	9.70

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Dec	34.0	29.1	0.51	0.91	0.0
02 Dec	33.1	27.1	0.17	1.81	3.1
03 Dec	27.1	23.2	T	T	3.1
04 Dec	23.2	20.1	T	T	3.1
05 Dec	29.1	19.2	0.00	0.00	3.1
06 Dec	21.2	2.1	0.00	0.00	2.0
07 Dec	24.3	2.1	T	T	2.0
08 Dec	27.1	12.2	0.00	0.00	2.0
09 Dec	27.1	9.1	0.00	0.00	2.0
10 Dec	26.2	15.3	0.00	0.00	2.0
11 Dec	30.2	11.1	0.00	0.00	2.0
12 Dec	26.2	22.1	0.00	0.00	2.0
13 Dec	32.0	25.2	0.00	0.00	2.0
14 Dec	37.9	19.2	0.00	0.00	1.2
15 Dec	41.0	16.2	0.00	0.00	1.2
16 Dec	39.9	28.2	0.00	0.00	T
17 Dec	37.9	20.1	0.00	0.00	0.0
18 Dec	45.0	26.2	0.00	0.00	0.0
19 Dec	45.0	33.1	0.00	0.00	0.0
20 Dec	36.0	27.1	0.00	0.00	0.0
21 Dec	27.1	22.1	0.00	0.00	0.0
22 Dec	33.1	23.2	0.00	0.00	0.0
23 Dec	30.2	22.1	0.00	0.00	0.0
24 Dec	30.2	16.2	0.00	0.00	0.0
25 Dec	39.0	28.2	0.00	0.00	0.0
26 Dec	37.0	31.1	0.34	T	0.0
27 Dec	43.0	30.2	0.65	0.00	0.0
28 Dec	30.2	11.1	0.03	0.71	T
29 Dec	15.3	10.2	T	T	1.2

	Dec 18	Normal
Average high temperature Av. high temp.	32.0 ºF	25 ºF
Average low temperature Av. low temp.	20.1 ºF	7 ºF
Total precipitation Total precip.	1.70 inch	0.82 inch
Total snowfall Total snowfall	3.43 inch	11 inch

Highest max temperature Highest max temp.	45.0 ºF	-
Lowest max temperature Lowest max temp.	15.3 ºF	-
Highest min temperature Highest min temp.	33.1 ºF	-
Lowest min temperature Lowest min temp.	2.1 ºF	-

Past weather December 2018 incomplete - Missing data

Station Data

Monthly averages Mason City
Longitude: -93.2, Latitude: 43.15
Average weather Mason City, IA - 50401

Monthly: 1991-2020 normals
History: 2007-2018

Abbreviations

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