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Monthly climate in Montello, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Montello features a humid continental climate (Dfb).Temperatures typically range between -7 °C (21 °F) and 23 °C (74 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 990 mm (39.0 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Montello enjoys an average of 2920 hours of sunshine throughout the year, and daylight varies from 8 hours 57 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Montello, Wisconsin, United States §

The warmest months in Montello 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 -7 to -2 °C (21 - 28 °F) throughout the day. On average each year, Montello experiences 72 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Montello, 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)		 19°C
(67°F)		 20°C
(67°F)		 26°C
(80°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(94°F)		 33°C
(91°F)		 33°C
(92°F)		 30°C
(85°F)		 23°C
(74°F)		 18°C
(64°F)
Mean maximum 7°C
(45°F)		 12°C
(53°F)		 16°C
(61°F)		 24°C
(75°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(92°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(82°F)		 17°C
(62°F)		 13°C
(56°F)
Average high -3°C
(27°F)		 -1°C
(30°F)		 6°C
(43°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
(34°F)
Daily mean -7°C
(21°F)		 -6°C
(21°F)		 1°C
(35°F)		 7°C
(45°F)		 15°C
(59°F)		 21°C
(70°F)		 23°C
(74°F)		 21°C
(71°F)		 18°C
(64°F)		 10°C
(51°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -11°C
(13°F)		 -11°C
(12°F)		 -3°C
(26°F)		 2°C
(36°F)		 10°C
(50°F)		 16°C
(60°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(55°F)		 6°C
(43°F)		 -2°C
(29°F)		 -6°C
(21°F)
Mean minimum -26°C
(-14°F)		 -24°C
(-11°F)		 -16°C
(3°F)		 -6°C
(22°F)		 1°C
(33°F)		 10°C
(51°F)		 13°C
(56°F)		 10°C
(50°F)		 5°C
(42°F)		 -4°C
(26°F)		 -11°C
(13°F)		 -17°C
(1°F)
Minimum -34°C
(-28°F)		 -32°C
(-25°F)		 -24°C
(-11°F)		 -13°C
(8°F)		 -2°C
(28°F)		 6°C
(43°F)		 11°C
(53°F)		 7°C
(45°F)		 1°C
(34°F)		 -5°C
(23°F)		 -14°C
(6°F)		 -24°C
(-11°F)

Compare climate in Montello with other places

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

Monthly average precipitation in Montello, Wisconsin, United States §

Montello usually has the most precipitation in May, June and July, with an average of 11 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Montello 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 Montello, 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) 45 (1.8) 50 (2.0) 61 (2.4) 97 (3.8) 118 (4.6) 114 (4.5) 111 (4.4) 105 (4.1) 92 (3.6) 103 (4.0) 46 (1.8) 49 (1.9)
Average precipitation days (≥ 1 mm) 7 8 9 12 13 10 10 12 11 13 6 7

Monthly sunshine hours in Montello, Wisconsin, United States §

The sunniest months in Montello are June, July and August, when the sun shines an average of 11 hours 2 minutes a day.Least sunny months in Montello: 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 Montello, 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 19m 10h 29m 11h 58m 13h 28m 14h 44m 15h 23m 15h 2m 13h 53m 12h 26m 10h 56m 9h 38m 8h 57m

Solar UV radiation in Montello, Wisconsin, United States §

Montello 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 Montello UV Index data.

Average daily maximum UV levels by month for Montello, 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