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Beloit, Wisconsin climate

Dfb Warm-summer humid continental

Beloit has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 80°F, while the coldest is January averaging around 11°F at night. Around 37 inches of precipitation falls each year, peaking in June (5.6 inches) and easing off in February (1.5 inches). Winters bring significant snowfall (36 inches of snow per year on average).

☀️ Summers

Warm

Highs near 80°F in July.

About 10 days a year above 90 °F

❄️ Winters

Very cold

Lows near 11°F in January.

About 141 freezing nights a year

🌧️ Rain & snow

Moderate rainfall

About 37 in of rain a year, plus 36 in of snow.

Snow falls through the winter months

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

−2.8 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Beloit climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	25	29	42	55	67	76	80	78	71	58	43	31
Avg temp (°F)	18	22	33	45	56	66	70	68	61	49	35	24
Avg low (°F)	11	14	24	34	46	56	60	58	50	39	27	17
Precipitation (in)	1.6	1.5	2.1	3.7	4.3	5.6	3.4	4.1	3.8	2.8	2.4	2.0
Snowfall (in)	9.8	7.3	4.3	1.1	—	—	—	—	—	0.2	2.7	10.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	25	29	42	55	67	76
Avg temp (°F)	18	22	33	45	56	66
Avg low (°F)	11	14	24	34	46	56
Precipitation (in)	1.6	1.5	2.1	3.7	4.3	5.6
Snowfall (in)	9.8	7.3	4.3	1.1	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	80	78	71	58	43	31
Avg temp (°F)	70	68	61	49	35	24
Avg low (°F)	60	58	50	39	27	17
Precipitation (in)	3.4	4.1	3.8	2.8	2.4	2.0
Snowfall (in)	—	—	—	0.2	2.7	10.2

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	9	7	8	10	12	11	9	9	8	9	8	9
Days with high ≥ 90°F (days)	—	—	—	0.0	0.3	2	4	3	0.8	—	—	—
Days with low ≤ 32°F (days)	30	26	23	9	0.5	—	—	—	0.2	6	19	28
Days with snowfall ≥ 1 in (days)	4	3	1	0.5	—	—	—	—	—	0.1	0.6	3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	9	7	8	10	12	11
Days with high ≥ 90°F (days)	—	—	—	0.0	0.3	2
Days with low ≤ 32°F (days)	30	26	23	9	0.5	—
Days with snowfall ≥ 1 in (days)	4	3	1	0.5	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	9	9	8	9	8	9
Days with high ≥ 90°F (days)	4	3	0.8	—	—	—
Days with low ≤ 32°F (days)	—	—	0.2	6	19	28
Days with snowfall ≥ 1 in (days)	—	—	—	0.1	0.6	3

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	66	64	65	66	66	59	52	52	50	61	66	66
Clear days (≤ 30% cloud)	5	4	6	5	5	7	8	9	10	7	5	5
Partly cloudy days (30–70%)	11	10	9	9	10	10	13	12	9	9	10	9
Cloudy days (≥ 70%)	16	14	16	16	16	13	10	10	10	15	16	17
Relative humidity (%)	89	86	80	76	77	77	77	76	75	77	82	88
Wind speed (mph)	8.7	8.8	8.5	8.6	7.2	5.9	5.3	5.0	5.9	7.0	7.7	7.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	66	64	65	66	66	59
Clear days (≤ 30% cloud)	5	4	6	5	5	7
Partly cloudy days (30–70%)	11	10	9	9	10	10
Cloudy days (≥ 70%)	16	14	16	16	16	13
Relative humidity (%)	89	86	80	76	77	77
Wind speed (mph)	8.7	8.8	8.5	8.6	7.2	5.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	52	52	50	61	66	66
Clear days (≤ 30% cloud)	8	9	10	7	5	5
Partly cloudy days (30–70%)	13	12	9	9	10	9
Cloudy days (≥ 70%)	10	10	10	15	16	17
Relative humidity (%)	77	76	75	77	82	88
Wind speed (mph)	5.3	5.0	5.9	7.0	7.7	7.8

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Beloit (NOAA GHCN station USC00470696), inside the city.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →