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Warren, Michigan climate

Dfa Hot-summer humid continental

Warren has a strongly seasonal cool-temperate climate (Hot-summer humid continental, Köppen Dfa). The hottest month is July with an average daily high near 84°F, while the coldest is January averaging around 20°F at night. Around 30 inches of precipitation falls each year, peaking in May (3.5 inches) and easing off in February (1.4 inches).

☀️ Summers

Warm

Highs near 84°F in July.

About 13 days a year above 90 °F

❄️ Winters

Very cold

Lows near 20°F in January.

About 107 freezing nights a year

🌧️ Rain

Moderate rainfall

About 30 in of rain a year.

Wettest in May

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

−0.1 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 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

Warren climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	32	35	45	58	70	79	84	81	74	61	48	37
Avg temp (°F)	26	28	37	48	60	70	74	73	65	53	41	32
Avg low (°F)	20	21	28	39	50	60	65	64	56	45	34	26
Precipitation (in)	1.5	1.4	2.0	2.8	3.5	3.1	3.2	3.1	3.1	2.3	2.2	1.7

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	32	35	45	58	70	79
Avg temp (°F)	26	28	37	48	60	70
Avg low (°F)	20	21	28	39	50	60
Precipitation (in)	1.5	1.4	2.0	2.8	3.5	3.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	84	81	74	61	48	37
Avg temp (°F)	74	73	65	53	41	32
Avg low (°F)	65	64	56	45	34	26
Precipitation (in)	3.2	3.1	3.1	2.3	2.2	1.7

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	6	5	6	8	9	6	6	6	6	7	6	7
Days with high ≥ 90°F (days)	—	—	—	—	0.5	3	5	3	1.0	—	—	—
Days with low ≤ 32°F (days)	25	24	20	6	0.1	—	—	—	—	0.9	10	21

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	6	5	6	8	9	6
Days with high ≥ 90°F (days)	—	—	—	—	0.5	3
Days with low ≤ 32°F (days)	25	24	20	6	0.1	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	6	6	6	7	6	7
Days with high ≥ 90°F (days)	5	3	1.0	—	—	—
Days with low ≤ 32°F (days)	—	—	—	0.9	10	21

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	72	70	70	67	65	59	53	54	53	64	70	74
Clear days (≤ 30% cloud)	3	3	4	5	5	6	7	8	8	6	4	3
Partly cloudy days (30–70%)	9	9	9	8	9	11	14	12	11	10	8	8
Cloudy days (≥ 70%)	19	16	18	17	17	13	10	11	11	16	18	20
Relative humidity (%)	88	85	79	75	75	76	74	74	74	77	82	86
Wind speed (mph)	9.7	9.4	8.9	8.6	7.2	6.1	5.6	5.5	6.3	7.7	8.5	8.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	72	70	70	67	65	59
Clear days (≤ 30% cloud)	3	3	4	5	5	6
Partly cloudy days (30–70%)	9	9	9	8	9	11
Cloudy days (≥ 70%)	19	16	18	17	17	13
Relative humidity (%)	88	85	79	75	75	76
Wind speed (mph)	9.7	9.4	8.9	8.6	7.2	6.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	53	54	53	64	70	74
Clear days (≤ 30% cloud)	7	8	8	6	4	3
Partly cloudy days (30–70%)	14	12	11	10	8	8
Cloudy days (≥ 70%)	10	11	11	16	18	20
Relative humidity (%)	74	74	74	77	82	86
Wind speed (mph)	5.6	5.5	6.3	7.7	8.5	8.8

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Detroit City AP (NOAA GHCN station USW00014822), about 9 km from the city centre.

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 →