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Hanau am Main, Hesse climate

Cfb Oceanic / temperate

Hanau am Main has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 79°F, while the coldest is January averaging around 31°F at night. Precipitation is fairly even year-round, totalling about 24 inches. At latitude 50°N, day length swings from 7.9 hours in midwinter to 16.1 hours at midsummer.

☀️ Summers

Warm

Highs near 79°F in July.

About 8 days a year above 90 °F

❄️ Winters

Cold

Lows near 31°F in January.

About 70 freezing nights a year

🌧️ Rain

Moderate rainfall

About 24 in of rain a year.

Wettest in July

⛅ Sky & trend

Often grey

Overcast skies dominate much of the year.

+1.7 °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

Hanau am Main climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	41	44	52	62	69	75	79	78	69	59	48	42
Avg temp (°F)	36	38	44	52	59	65	69	68	60	51	43	37
Avg low (°F)	31	31	36	42	49	55	59	58	51	44	38	33
Precipitation (in)	1.7	1.5	1.5	1.4	2.4	2.2	2.5	2.4	1.9	2.0	1.9	2.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	41	44	52	62	69	75
Avg temp (°F)	36	38	44	52	59	65
Avg low (°F)	31	31	36	42	49	55
Precipitation (in)	1.7	1.5	1.5	1.4	2.4	2.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	79	78	69	59	48	42
Avg temp (°F)	69	68	60	51	43	37
Avg low (°F)	59	58	51	44	38	33
Precipitation (in)	2.5	2.4	1.9	2.0	1.9	2.1

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	14	12	12	11	13	11	13	12	11	13	13	15
Days with high ≥ 90°F (days)	—	—	—	—	0.1	1	3	3	0.1	—	—	—
Days with low ≤ 32°F (days)	17	16	10	3	0.2	—	—	—	—	2	7	15

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	14	12	12	11	13	11
Days with high ≥ 90°F (days)	—	—	—	—	0.1	1
Days with low ≤ 32°F (days)	17	16	10	3	0.2	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	13	12	11	13	13	15
Days with high ≥ 90°F (days)	3	3	0.1	—	—	—
Days with low ≤ 32°F (days)	—	—	—	2	7	15

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	75	75	73	69	72	72	70	68	68	73	79	78
Clear days (≤ 30% cloud)	3	3	4	5	3	3	4	4	5	3	2	2
Partly cloudy days (30–70%)	7	6	6	7	8	8	9	9	7	7	6	6
Cloudy days (≥ 70%)	21	19	21	18	20	20	19	18	18	20	23	23
Relative humidity (%)	93	89	83	76	73	67	62	62	70	82	91	93
Wind speed (mph)	6.5	6.4	6.2	5.3	5.1	5.0	5.0	4.7	4.9	5.3	5.3	6.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	75	75	73	69	72	72
Clear days (≤ 30% cloud)	3	3	4	5	3	3
Partly cloudy days (30–70%)	7	6	6	7	8	8
Cloudy days (≥ 70%)	21	19	21	18	20	20
Relative humidity (%)	93	89	83	76	73	67
Wind speed (mph)	6.5	6.4	6.2	5.3	5.1	5.0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	70	68	68	73	79	78
Clear days (≤ 30% cloud)	4	4	5	3	2	2
Partly cloudy days (30–70%)	9	9	7	7	6	6
Cloudy days (≥ 70%)	19	18	18	20	23	23
Relative humidity (%)	62	62	70	82	91	93
Wind speed (mph)	5.0	4.7	4.9	5.3	5.3	6.1

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Rhein Main, a weather station, about 26 km from the city centre. The underlying daily records come from NOAA's global station network.

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 →