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Cincinnati, Ohio climate

Cfa Humid subtropical

Cincinnati has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 30°C, while the coldest is January averaging around −5°C at night. Precipitation is fairly even year-round, totalling about 1102 mm.

☀️ Summers

Warm

Highs near 30°C in July.

About 27 days a year above 32 °C

❄️ Winters

Cold

Lows near −5°C in January.

About 102 freezing nights a year

🌧️ Rain

Wet

About 1102 mm of rain a year.

Wettest in May

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.0 °C 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

Cincinnati climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	5	7	13	19	24	29	30	30	27	20	13	7
Avg temp (°C)	0	2	7	13	18	22	24	24	20	13	7	2
Avg low (°C)	−5	−4	1	6	12	16	19	18	13	7	1	−2
Precipitation (mm)	73	71	100	111	119	117	112	86	78	77	74	84

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	5	7	13	19	24	29
Avg temp (°C)	0	2	7	13	18	22
Avg low (°C)	−5	−4	1	6	12	16
Precipitation (mm)	73	71	100	111	119	117

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	30	30	27	20	13	7
Avg temp (°C)	24	24	20	13	7	2
Avg low (°C)	19	18	13	7	1	−2
Precipitation (mm)	112	86	78	77	74	84

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	10	10	11	13	14	12	12	9	8	9	10	11
Days with high ≥ 32°C (days)	—	—	—	—	0.6	5	10	8	4	0.2	—	—
Days with low ≤ 0°C (days)	24	21	14	4	0.2	—	—	—	—	2	14	22
Days with snowfall ≥ 2.5 cm (days)	0.6	0.3	0.2	0.0	—	—	—	—	—	0.0	0.0	0.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	10	10	11	13	14	12
Days with high ≥ 32°C (days)	—	—	—	—	0.6	5
Days with low ≤ 0°C (days)	24	21	14	4	0.2	—
Days with snowfall ≥ 2.5 cm (days)	0.6	0.3	0.2	0.0	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	12	9	8	9	10	11
Days with high ≥ 32°C (days)	10	8	4	0.2	—	—
Days with low ≤ 0°C (days)	—	—	—	2	14	22
Days with snowfall ≥ 2.5 cm (days)	—	—	—	0.0	0.0	0.1

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	74	71	69	66	65	59	53	50	48	57	64	72
Clear days (≤ 30% cloud)	2	3	4	5	5	6	8	9	10	9	6	3
Partly cloudy days (30–70%)	9	9	10	9	10	12	13	12	10	9	9	8
Cloudy days (≥ 70%)	20	17	17	16	16	12	11	9	9	13	15	19
Relative humidity (%)	86	85	81	78	79	78	74	69	67	71	78	85
Wind speed (m/s)	0.9	1.0	0.8	0.5	0.3	0.3	0.3	0.3	0.3	0.3	0.4	0.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	74	71	69	66	65	59
Clear days (≤ 30% cloud)	2	3	4	5	5	6
Partly cloudy days (30–70%)	9	9	10	9	10	12
Cloudy days (≥ 70%)	20	17	17	16	16	12
Relative humidity (%)	86	85	81	78	79	78
Wind speed (m/s)	0.9	1.0	0.8	0.5	0.3	0.3

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	53	50	48	57	64	72
Clear days (≤ 30% cloud)	8	9	10	9	6	3
Partly cloudy days (30–70%)	13	12	10	9	9	8
Cloudy days (≥ 70%)	11	9	9	13	15	19
Relative humidity (%)	74	69	67	71	78	85
Wind speed (m/s)	0.3	0.3	0.3	0.3	0.4	0.6

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Cincinnati Muni AP Lunken Fld (NOAA GHCN station USW00093812), 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 →