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Jackson, Michigan climate

Dfb Warm-summer humid continental

Jackson has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 83°F, while the coldest is January averaging around 18°F at night. Around 32 inches of precipitation falls each year, peaking in August (3.8 inches) and easing off in February (1.5 inches).

☀️ Summers

Warm

Highs near 83°F in July.

About 8 days a year above 90 °F

❄️ Winters

Very cold

Lows near 18°F in January.

About 137 freezing nights a year

🌧️ Rain

Moderate rainfall

About 32 in of rain a year.

Wettest in August

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.8 °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

Jackson climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	31	35	45	59	70	79	83	80	74	61	48	36
Avg temp (°F)	24	27	36	48	59	68	72	70	63	51	40	30
Avg low (°F)	18	19	27	37	48	57	61	59	52	41	32	24
Precipitation (in)	1.7	1.5	1.9	2.9	3.4	3.6	3.4	3.8	3.0	2.9	2.3	1.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	31	35	45	59	70	79
Avg temp (°F)	24	27	36	48	59	68
Avg low (°F)	18	19	27	37	48	57
Precipitation (in)	1.7	1.5	1.9	2.9	3.4	3.6

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	83	80	74	61	48	36
Avg temp (°F)	72	70	63	51	40	30
Avg low (°F)	61	59	52	41	32	24
Precipitation (in)	3.4	3.8	3.0	2.9	2.3	1.8

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	13	10	11	13	12	11	9	10	10	11	11	12
Days with high ≥ 90°F (days)	—	—	—	—	0.2	2	3	1	0.7	—	—	—
Days with low ≤ 32°F (days)	28	26	23	10	1	—	—	—	0.2	6	17	26
Days with snowfall ≥ 1 in (days)	2	0.8	0.7	0.1	—	—	—	—	—	0.0	0.1	0.7

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	13	10	11	13	12	11
Days with high ≥ 90°F (days)	—	—	—	—	0.2	2
Days with low ≤ 32°F (days)	28	26	23	10	1	—
Days with snowfall ≥ 1 in (days)	2	0.8	0.7	0.1	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	9	10	10	11	11	12
Days with high ≥ 90°F (days)	3	1	0.7	—	—	—
Days with low ≤ 32°F (days)	—	—	0.2	6	17	26
Days with snowfall ≥ 1 in (days)	—	—	—	0.0	0.1	0.7

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	73	70	68	67	65	59	52	53	52	64	70	75
Clear days (≤ 30% cloud)	3	3	4	5	5	6	8	8	9	6	4	3
Partly cloudy days (30–70%)	9	9	10	8	9	11	14	12	10	9	8	7
Cloudy days (≥ 70%)	19	16	17	16	16	13	9	11	11	16	18	21
Relative humidity (%)	89	86	80	76	76	76	73	72	72	77	82	88
Wind speed (mph)	9.2	9.2	8.7	8.4	7.1	6.0	5.5	5.3	6.0	7.2	7.9	8.3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	73	70	68	67	65	59
Clear days (≤ 30% cloud)	3	3	4	5	5	6
Partly cloudy days (30–70%)	9	9	10	8	9	11
Cloudy days (≥ 70%)	19	16	17	16	16	13
Relative humidity (%)	89	86	80	76	76	76
Wind speed (mph)	9.2	9.2	8.7	8.4	7.1	6.0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	52	53	52	64	70	75
Clear days (≤ 30% cloud)	8	8	9	6	4	3
Partly cloudy days (30–70%)	14	12	10	9	8	7
Cloudy days (≥ 70%)	9	11	11	16	18	21
Relative humidity (%)	73	72	72	77	82	88
Wind speed (mph)	5.5	5.3	6.0	7.2	7.9	8.3

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Jackson Reynolds Fld (NOAA GHCN station USW00014833), about 5 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 →