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Monthly climate in Mahnomen, Minnesota, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mahnomen features a humid continental climate (Dfb). Temperatures typically range between -13 °C (9 °F) and 22 °C (72 °F) through the year, but rarely can drop to -38 °C (-36 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 672 mm (26.5 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Mahnomen enjoys an average of 2947 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Mahnomen, Minnesota, United States §

The warmest months in Mahnomen are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -8 °C (9 - 17 °F) throughout the day. On average each year, Mahnomen experiences 56 days above 25 °C (77.0 °F) and 161 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mahnomen, Minnesota, 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 3°C
(39°F)		 11°C
(51°F)		 22°C
(72°F)		 23°C
(74°F)		 33°C
(92°F)		 38°C
(101°F)		 34°C
(93°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(79°F)		 20°C
(69°F)		 7°C
(46°F)
Mean maximum 2°C
(37°F)		 4°C
(39°F)		 12°C
(55°F)		 21°C
(70°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(91°F)		 31°C
(87°F)		 30°C
(86°F)		 23°C
(73°F)		 12°C
(53°F)		 6°C
(43°F)
Average high -8°C
(18°F)		 -8°C
(18°F)		 2°C
(36°F)		 9°C
(48°F)		 19°C
(66°F)		 26°C
(78°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(69°F)		 10°C
(51°F)		 1°C
(34°F)		 -4°C
(24°F)
Daily mean -12°C
(10°F)		 -13°C
(9°F)		 -3°C
(28°F)		 4°C
(39°F)		 13°C
(56°F)		 20°C
(68°F)		 22°C
(72°F)		 20°C
(68°F)		 15°C
(59°F)		 6°C
(43°F)		 -3°C
(27°F)		 -8°C
(17°F)
Average low -17°C
(2°F)		 -18°C
(-1°F)		 -7°C
(19°F)		 -1°C
(30°F)		 7°C
(45°F)		 14°C
(58°F)		 17°C
(62°F)		 14°C
(58°F)		 10°C
(51°F)		 2°C
(36°F)		 -7°C
(20°F)		 -13°C
(9°F)
Mean minimum -34°C
(-28°F)		 -33°C
(-27°F)		 -22°C
(-7°F)		 -11°C
(12°F)		 -1°C
(30°F)		 8°C
(46°F)		 10°C
(50°F)		 8°C
(46°F)		 2°C
(35°F)		 -9°C
(17°F)		 -18°C
(0°F)		 -29°C
(-21°F)
Minimum -38°C
(-35°F)		 -38°C
(-36°F)		 -29°C
(-19°F)		 -16°C
(3°F)		 -4°C
(25°F)		 6°C
(44°F)		 8°C
(47°F)		 6°C
(42°F)		 -3°C
(27°F)		 -12°C
(11°F)		 -20°C
(-3°F)		 -35°C
(-32°F)

Compare climate in Mahnomen with other places

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

Monthly average precipitation in Mahnomen, Minnesota, United States §

Mahnomen usually has the most precipitation in August, September and October, with an average of 10 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Mahnomen are January, February and November. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mahnomen, Minnesota, 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) 20 (0.8) 23 (0.9) 26 (1.0) 54 (2.1) 49 (1.9) 77 (3.0) 78 (3.1) 93 (3.7) 100 (3.9) 83 (3.3) 26 (1.0) 42 (1.7)
Average precipitation days (≥ 1 mm) 4 6 6 7 9 10 9 10 11 10 6 8

Monthly sunshine hours in Mahnomen, Minnesota, United States §

The sunniest months in Mahnomen are June, July and August, when the sun shines an average of 11 hours 17 minutes a day. Least sunny months in Mahnomen: January, November and December receive an average of 4 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mahnomen, Minnesota, 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 139 200 249 256 305 355 363 319 246 195 163 152
Mean daily daylight hours 8h 57m 10h 17m 11h 57m 13h 39m 15h 7m 15h 51m 15h 27m 14h 8m 12h 29m 10h 48m 9h 18m 8h 31m

Solar UV radiation in Mahnomen, Minnesota, United States §

Mahnomen experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 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 Mahnomen UV Index data.

Average daily maximum UV levels by month for Mahnomen, Minnesota, 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) 2 4 5 7 8 10 9 8 7 5 3 2

Detailed Monthly Weather Insights for Mahnomen, Minnesota, United States

Discover in-depth weather details for every month in Mahnomen. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Mahnomen's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.