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Monthly climate in Rio, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rio 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 -33 °C (-27 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 999 mm (39.3 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Rio enjoys an average of 2920 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 21 minutes per day.

Monthly average temperatures in Rio, Wisconsin, United States §

The warmest months in Rio are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 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, Rio experiences 72 days above 25 °C (77.0 °F) and 131 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rio, 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 10°C
(50°F)		 20°C
(68°F)		 20°C
(68°F)		 27°C
(80°F)		 34°C
(93°F)		 34°C
(94°F)		 35°C
(95°F)		 33°C
(91°F)		 33°C
(92°F)		 30°C
(86°F)		 23°C
(74°F)		 18°C
(65°F)
Mean maximum 7°C
(45°F)		 12°C
(53°F)		 16°C
(62°F)		 24°C
(76°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(92°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 17°C
(63°F)		 13°C
(56°F)
Average high -3°C
(27°F)		 -1°C
(30°F)		 6°C
(44°F)		 12°C
(54°F)		 20°C
(68°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(80°F)		 23°C
(74°F)		 15°C
(59°F)		 6°C
(43°F)		 1°C
(35°F)
Daily mean -6°C
(21°F)		 -6°C
(21°F)		 2°C
(35°F)		 7°C
(45°F)		 15°C
(59°F)		 21°C
(70°F)		 23°C
(74°F)		 22°C
(71°F)		 18°C
(65°F)		 10°C
(51°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -10°C
(13°F)		 -11°C
(13°F)		 -3°C
(27°F)		 2°C
(36°F)		 10°C
(50°F)		 16°C
(61°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(55°F)		 6°C
(43°F)		 -2°C
(29°F)		 -6°C
(22°F)
Mean minimum -24°C
(-12°F)		 -24°C
(-12°F)		 -16°C
(3°F)		 -6°C
(22°F)		 1°C
(34°F)		 11°C
(52°F)		 13°C
(56°F)		 10°C
(51°F)		 5°C
(42°F)		 -4°C
(26°F)		 -11°C
(13°F)		 -17°C
(2°F)
Minimum -33°C
(-27°F)		 -32°C
(-26°F)		 -24°C
(-11°F)		 -12°C
(10°F)		 -2°C
(29°F)		 7°C
(45°F)		 12°C
(53°F)		 7°C
(46°F)		 2°C
(35°F)		 -5°C
(23°F)		 -15°C
(6°F)		 -23°C
(-8°F)

Compare climate in Rio with other places

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

Monthly average precipitation in Rio, Wisconsin, United States §

Rio usually has the most precipitation in May, June and October, with an average of 13 rainy days and 118 mm (4.6 inches) of precipitation per month.The driest months in Rio are January, November and December. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio, 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) 47 (1.9) 52 (2.0) 58 (2.3) 98 (3.9) 127 (5.0) 112 (4.4) 103 (4.1) 100 (3.9) 98 (3.8) 113 (4.5) 44 (1.7) 46 (1.8)
Average precipitation days (≥ 1 mm) 7 8 9 12 13 12 10 11 10 14 7 6

Monthly sunshine hours in Rio, Wisconsin, United States §

The sunniest months in Rio are June, July and August, when the sun shines an average of 11 hours 2 minutes a day.Least sunny months in Rio: January, November and December receive an average of 5 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio, 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 127 197 235 239 277 329 356 330 264 206 184 170
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 43m 15h 21m 15h 0m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Rio, Wisconsin, United States §

Rio 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 Rio UV Index data.

Average daily maximum UV levels by month for Rio, 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