Hot-summer humid continental climate

Climate Winterset - Iowa

Annual high59ºF

Annual low38ºF

Precipitation34.84 inch

Month	HighºF	LowºF	Precipinch	Snowinch
Jan	31	11	0.84	7
Feb	35	15	1.12	8
Mar	48	26	2.30	4
Apr	61	37	3.45	1
May	71	49	4.88	0
Jun	80	59	4.77	0
Jul	84	64	4.40	0
Aug	83	61	3.68	0
Sep	76	51	3.54	0
Oct	64	40	2.51	1
Nov	48	27	2.25	2
Dec	33	15	1.10	6

JanHigh 31ºFLow 11ºFPrecip 0.84 inch
FebHigh 35ºFLow 15ºFPrecip 1.12 inch
MarHigh 48ºFLow 26ºFPrecip 2.30 inch
AprHigh 61ºFLow 37ºFPrecip 3.45 inch
MayHigh 71ºFLow 49ºFPrecip 4.88 inch
JunHigh 80ºFLow 59ºFPrecip 4.77 inch
JulHigh 84ºFLow 64ºFPrecip 4.40 inch
AugHigh 83ºFLow 61ºFPrecip 3.68 inch
SepHigh 76ºFLow 51ºFPrecip 3.54 inch
OctHigh 64ºFLow 40ºFPrecip 2.51 inch
NovHigh 48ºFLow 27ºFPrecip 2.25 inch
DecHigh 33ºFLow 15ºFPrecip 1.10 inch

Winterset Climate Graph - Iowa Climate Chart

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Climate summary

What is the average weather in Winterset, Iowa?

Winterset experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm, while winters are cold and bring regular snowfall. The area receives moderate precipitation, with a strong pattern of wetter summers and drier winters. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.

Based on climate normals · 1991–2020

Winterset weather averages

Annual high59ºF

Annual low38ºF

Precipitation34.84 inch

Snowfall29 inch

Daily normals Winterset - Iowa - January

Day	HighºF	LowºF	Prec/moinch	Prec/yrinch	Snow/moinch	Snow/yrinch
Jan 1	30.7	11.9	0.03	0.03	0.20	0.20
Jan 2	30.5	11.7	0.05	0.05	0.40	0.40
Jan 3	30.4	11.5	0.08	0.08	0.60	0.60
Jan 4	30.3	11.3	0.10	0.10	0.80	0.80
Jan 5	30.1	11.1	0.13	0.13	1.00	1.00
Jan 6	30.0	10.9	0.15	0.15	1.20	1.20
Jan 7	29.9	10.7	0.17	0.17	1.40	1.40
Jan 8	29.8	10.5	0.20	0.20	1.60	1.60
Jan 9	29.7	10.4	0.22	0.22	1.80	1.80
Jan 10	29.6	10.2	0.24	0.24	1.90	1.90
Jan 11	29.6	10.0	0.26	0.26	2.20	2.20
Jan 12	29.5	9.9	0.28	0.28	2.40	2.40
Jan 13	29.5	9.7	0.31	0.31	2.60	2.60
Jan 14	29.5	9.6	0.34	0.34	2.90	2.90
Jan 15	29.4	9.5	0.36	0.36	3.10	3.10
Jan 16	29.4	9.4	0.39	0.39	3.40	3.40
Jan 17	29.5	9.2	0.41	0.41	3.60	3.60
Jan 18	29.5	9.2	0.44	0.44	3.90	3.90
Jan 19	29.5	9.1	0.46	0.46	4.10	4.10
Jan 20	29.5	9.0	0.49	0.49	4.30	4.30
Jan 21	29.6	9.0	0.51	0.51	4.60	4.60
Jan 22	29.7	8.9	0.53	0.53	4.80	4.80
Jan 23	29.7	8.9	0.56	0.56	5.10	5.10
Jan 24	29.8	8.9	0.59	0.59	5.40	5.40
Jan 25	29.9	8.9	0.61	0.61	5.60	5.60
Jan 26	30.0	8.9	0.64	0.64	5.90	5.90
Jan 27	30.1	9.0	0.67	0.67	6.20	6.20
Jan 28	30.3	9.0	0.69	0.69	6.50	6.50
Jan 29	30.4	9.1	0.72	0.72	6.80	6.80
Jan 30	30.6	9.2	0.75	0.75	7.00	7.00
Jan 31	30.7	9.3	0.78	0.78	7.30	7.30

Precipitation and snow add up through the month (/mo) and the year (/yr)

Weather history Winterset - October 2026

Day	HighºF	LowºF	Precip.inch
Oct 1	–	–	0.97
Oct 2	66.9	43.0	0.02
Oct 3	68.0	42.1	0.00
Oct 4	–	–	–
Oct 5	–	–	–
Oct 6	–	–	–
Oct 7	–	–	–
Oct 8	81.0	45.0	0.00
Oct 9	80.1	45.0	0.00
Oct 10	88.0	63.0	0.00
Oct 11	87.1	60.1	0.00
Oct 12	88.0	60.1	0.00
Oct 13	89.1	52.0	0.06
Oct 14	89.1	50.0	0.00
Oct 15	–	–	0.17
Oct 16	59.0	45.0	0.42
Oct 17	54.0	28.9	0.29
Oct 18	–	–	–
Oct 19	68.0	30.0	0.00
Oct 20	–	–	–
Oct 21	–	–	–
Oct 22	–	–	–
Oct 23	79.0	36.0	0.00
Oct 24	79.0	55.9	0.00
Oct 25	79.0	46.0	0.00
Oct 26	71.1	44.1	0.00
Oct 27	72.0	44.1	0.00
Oct 28	78.1	46.0	0.00
Oct 29	–	–	–
Oct 30	–	–	–
Oct 31	–	–	–

The data for October 2026 is incomplete: some days or values are missing.

–No data
–Not yet observed or received
TTrace, too small to measure

Observed extremes

Highest max temperature89.1ºF · Oct 13
Lowest max temperature54.0ºF · Oct 17
Highest min temperature63.0ºF · Oct 10
Lowest min temperature28.9ºF · Oct 17

Geo Winterset - Iowa

41.36°N, 94.02°W

Location

Country: United States
State: Iowa
County: Madison
City: Winterset
Zip Code: 50273
Elevation: 1112 ft
Longitude: -94.02
Latitude: 41.36
ICAO: –
IATA: –

Map of Winterset - Iowa

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