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Monthly climate in New Ulm, Minnesota, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification New Ulm features a humid continental climate (Dfa). Temperatures typically range between -9 °C (16 °F) and 24 °C (75 °F) through the year, but rarely can drop to -37 °C (-34 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 980 mm (38.6 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually. New Ulm enjoys an average of 2957 hours of sunshine throughout the year, and daylight varies from 8 hours 53 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in New Ulm, Minnesota, United States §

The warmest months in New Ulm are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -4 °C (16 - 25 °F) throughout the day. On average each year, New Ulm experiences 77 days above 25 °C (77.0 °F) and 140 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in New Ulm, 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 10°C
(50°F)		 18°C
(65°F)		 25°C
(77°F)		 30°C
(86°F)		 36°C
(97°F)		 37°C
(99°F)		 36°C
(97°F)		 35°C
(96°F)		 33°C
(92°F)		 30°C
(87°F)		 26°C
(79°F)		 17°C
(62°F)
Mean maximum 7°C
(45°F)		 9°C
(48°F)		 19°C
(66°F)		 25°C
(78°F)		 31°C
(89°F)		 33°C
(91°F)		 34°C
(93°F)		 32°C
(90°F)		 32°C
(90°F)		 28°C
(83°F)		 18°C
(65°F)		 10°C
(51°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 6°C
(42°F)		 12°C
(54°F)		 21°C
(70°F)		 28°C
(82°F)		 28°C
(83°F)		 27°C
(80°F)		 24°C
(75°F)		 14°C
(58°F)		 6°C
(43°F)		 -0°C
(32°F)
Daily mean -8°C
(17°F)		 -9°C
(16°F)		 1°C
(34°F)		 7°C
(44°F)		 15°C
(60°F)		 22°C
(73°F)		 24°C
(75°F)		 22°C
(71°F)		 18°C
(65°F)		 9°C
(49°F)		 1°C
(35°F)		 -4°C
(25°F)
Average low -13°C
(9°F)		 -14°C
(7°F)		 -4°C
(26°F)		 1°C
(35°F)		 10°C
(51°F)		 17°C
(63°F)		 18°C
(65°F)		 17°C
(62°F)		 13°C
(56°F)		 5°C
(41°F)		 -3°C
(26°F)		 -8°C
(17°F)
Mean minimum -26°C
(-15°F)		 -28°C
(-19°F)		 -16°C
(3°F)		 -8°C
(17°F)		 2°C
(36°F)		 10°C
(51°F)		 13°C
(55°F)		 10°C
(51°F)		 5°C
(41°F)		 -5°C
(24°F)		 -14°C
(7°F)		 -22°C
(-7°F)
Minimum -34°C
(-29°F)		 -37°C
(-34°F)		 -27°C
(-17°F)		 -16°C
(4°F)		 0°C
(33°F)		 7°C
(46°F)		 12°C
(54°F)		 10°C
(50°F)		 2°C
(36°F)		 -11°C
(12°F)		 -16°C
(3°F)		 -24°C
(-12°F)

Compare climate in New Ulm with other places

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

Monthly average precipitation in New Ulm, Minnesota, United States §

New Ulm usually has the most precipitation in May, July and September, with an average of 11 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in New Ulm are January, February and November. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in New Ulm, 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) 30 (1.2) 31 (1.2) 64 (2.5) 84 (3.3) 130 (5.1) 109 (4.3) 123 (4.8) 113 (4.4) 128 (5.0) 96 (3.8) 32 (1.3) 41 (1.6)
Average precipitation days (≥ 1 mm) 4 6 7 9 13 10 10 11 10 10 6 6

Monthly sunshine hours in New Ulm, Minnesota, United States §

The sunniest months in New Ulm are June, July and August, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in New Ulm: January, November and December receive an average of 5 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in New Ulm, 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 140 202 230 241 285 338 356 326 252 213 184 183
Mean daily daylight hours 9h 16m 10h 28m 11h 57m 13h 29m 14h 48m 15h 27m 15h 5m 13h 55m 12h 27m 10h 55m 9h 35m 8h 53m

Solar UV radiation in New Ulm, Minnesota, United States §

New Ulm 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 New Ulm UV Index data.

Average daily maximum UV levels by month for New Ulm, 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) 3 5 5 8 9 10 10 9 8 5 3 2

Detailed Monthly Weather Insights for New Ulm, Minnesota, United States

Discover in-depth weather details for every month in New Ulm. 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 New Ulm'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.