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Monthly climate in Germantown, Ohio, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Germantown features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (31 °F) and 25 °C (77 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1252 mm (49.3 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.Germantown enjoys an average of 2866 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Germantown, Ohio, United States §

The warmest months in Germantown are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (31 - 37 °F) throughout the day. On average each year, Germantown experiences 100 days above 25 °C (77.0 °F) and 86 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Germantown, Ohio, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 20°C
(69°F)		 24°C
(76°F)		 24°C
(76°F)		 29°C
(84°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(91°F)		 34°C
(94°F)		 34°C
(93°F)		 26°C
(78°F)		 18°C
(65°F)
Mean maximum 15°C
(60°F)		 19°C
(66°F)		 22°C
(71°F)		 27°C
(81°F)		 31°C
(87°F)		 32°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 29°C
(85°F)		 20°C
(68°F)		 17°C
(63°F)
Average high 3°C
(38°F)		 6°C
(43°F)		 11°C
(52°F)		 17°C
(62°F)		 23°C
(73°F)		 27°C
(81°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(79°F)		 19°C
(67°F)		 10°C
(51°F)		 7°C
(44°F)
Daily mean -0°C
(31°F)		 1°C
(35°F)		 6°C
(43°F)		 11°C
(53°F)		 18°C
(65°F)		 22°C
(73°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 14°C
(58°F)		 6°C
(42°F)		 3°C
(37°F)
Average low -4°C
(25°F)		 -3°C
(27°F)		 1°C
(35°F)		 6°C
(44°F)		 13°C
(56°F)		 18°C
(64°F)		 20°C
(69°F)		 19°C
(66°F)		 16°C
(61°F)		 10°C
(50°F)		 1°C
(35°F)		 -1°C
(30°F)
Mean minimum -17°C
(2°F)		 -13°C
(8°F)		 -8°C
(17°F)		 -4°C
(26°F)		 3°C
(38°F)		 12°C
(54°F)		 15°C
(59°F)		 13°C
(55°F)		 8°C
(47°F)		 1°C
(33°F)		 -7°C
(19°F)		 -11°C
(13°F)
Minimum -27°C
(-16°F)		 -20°C
(-3°F)		 -14°C
(7°F)		 -5°C
(23°F)		 -1°C
(31°F)		 8°C
(47°F)		 13°C
(56°F)		 12°C
(53°F)		 5°C
(42°F)		 -1°C
(30°F)		 -15°C
(5°F)		 -18°C
(0°F)

Compare climate in Germantown with other places

Compare temperature, precipitation, sunshine, UV index in Germantown, Ohio, United States with other places around the world.

Monthly average precipitation in Germantown, Ohio, United States §

Germantown usually has the most precipitation in March, May and June, with an average of 13 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Germantown are January, August and September. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Germantown, Ohio, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 77 (3.0) 104 (4.1) 117 (4.6) 104 (4.1) 131 (5.2) 138 (5.4) 111 (4.4) 89 (3.5) 89 (3.5) 99 (3.9) 96 (3.8) 97 (3.8)
Average precipitation days (≥ 1 mm) 10 12 12 12 15 13 12 13 8 12 8 10

Monthly sunshine hours in Germantown, Ohio, United States §

The sunniest months in Germantown are June, July and August, when the sun shines an average of 10 hours 45 minutes a day.Least sunny months in Germantown: January, February and December receive an average of 4 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Germantown, Ohio, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 117 153 221 232 282 322 347 319 282 236 193 158
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 23m 14h 55m 14h 37m 13h 39m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Germantown, Ohio, United States §

Germantown experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Germantown UV Index data.

Average daily maximum UV levels by month for Germantown, Ohio, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 10 10 9 8 6 4 3