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Monthly climate in Oshkosh, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Oshkosh features a humid continental climate (Dfb).Temperatures typically range between -6 °C (21 °F) and 23 °C (74 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 928 mm (36.5 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually.Oshkosh enjoys an average of 2920 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Oshkosh, Wisconsin, United States §

The warmest months in Oshkosh are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (69 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (21 - 28 °F) throughout the day. On average each year, Oshkosh experiences 51 days above 25 °C (77.0 °F) and 123 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oshkosh, Wisconsin, 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 7°C
(46°F)		 15°C
(59°F)		 15°C
(59°F)		 21°C
(71°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(87°F)		 31°C
(87°F)		 26°C
(79°F)		 20°C
(68°F)		 15°C
(60°F)
Mean maximum 5°C
(41°F)		 8°C
(46°F)		 12°C
(54°F)		 19°C
(66°F)		 27°C
(82°F)		 30°C
(86°F)		 31°C
(89°F)		 29°C
(85°F)		 27°C
(82°F)		 25°C
(77°F)		 14°C
(58°F)		 10°C
(51°F)
Average high -3°C
(26°F)		 -3°C
(28°F)		 4°C
(39°F)		 10°C
(49°F)		 17°C
(64°F)		 24°C
(76°F)		 27°C
(80°F)		 25°C
(78°F)		 22°C
(71°F)		 14°C
(57°F)		 5°C
(41°F)		 0°C
(33°F)
Daily mean -6°C
(21°F)		 -6°C
(21°F)		 0°C
(32°F)		 6°C
(43°F)		 14°C
(57°F)		 20°C
(69°F)		 23°C
(74°F)		 22°C
(71°F)		 18°C
(64°F)		 11°C
(51°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -9°C
(16°F)		 -10°C
(15°F)		 -3°C
(26°F)		 2°C
(36°F)		 10°C
(51°F)		 17°C
(62°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(58°F)		 8°C
(46°F)		 -1°C
(31°F)		 -5°C
(22°F)
Mean minimum -22°C
(-7°F)		 -22°C
(-7°F)		 -15°C
(6°F)		 -5°C
(23°F)		 3°C
(38°F)		 12°C
(55°F)		 16°C
(60°F)		 13°C
(56°F)		 8°C
(47°F)		 0°C
(32°F)		 -9°C
(17°F)		 -16°C
(3°F)
Minimum -30°C
(-22°F)		 -30°C
(-21°F)		 -22°C
(-8°F)		 -10°C
(14°F)		 1°C
(34°F)		 9°C
(49°F)		 14°C
(58°F)		 12°C
(53°F)		 5°C
(41°F)		 -2°C
(29°F)		 -12°C
(11°F)		 -24°C
(-11°F)

Compare climate in Oshkosh with other places

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

Monthly average precipitation in Oshkosh, Wisconsin, United States §

Oshkosh usually has the most precipitation in May, June and August, with an average of 11 rainy days and 105 mm (4.1 inches) of precipitation per month.The driest months in Oshkosh are January, February and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oshkosh, Wisconsin, 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) 43 (1.7) 46 (1.8) 60 (2.4) 94 (3.7) 107 (4.2) 101 (4.0) 100 (3.9) 107 (4.2) 75 (3.0) 101 (4.0) 47 (1.8) 47 (1.9)
Average precipitation days (≥ 1 mm) 6 8 9 11 13 11 10 10 11 13 7 7

Monthly sunshine hours in Oshkosh, Wisconsin, United States §

The sunniest months in Oshkosh are June, July and August, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in Oshkosh: January, November and December receive an average of 5 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oshkosh, Wisconsin, 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 122 194 239 239 288 329 358 329 270 206 181 158
Mean daily daylight hours 9h 18m 10h 28m 11h 57m 13h 28m 14h 46m 15h 24m 15h 3m 13h 54m 12h 27m 10h 56m 9h 36m 8h 55m

Solar UV radiation in Oshkosh, Wisconsin, United States §

Oshkosh experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Oshkosh UV Index data.

Average daily maximum UV levels by month for Oshkosh, Wisconsin, 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 4 5 8 9 10 10 9 7 5 3 2