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Monthly climate in Cottage Grove, Minnesota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cottage Grove features a humid continental climate (Dfa).Temperatures typically range between -8 °C (17 °F) and 23 °C (75 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 999 mm (39.3 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Cottage Grove enjoys an average of 2954 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 31 minutes per day.

Monthly average temperatures in Cottage Grove, Minnesota, United States §

The warmest months in Cottage Grove are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (17 - 24 °F) throughout the day. On average each year, Cottage Grove experiences 72 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cottage Grove, 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 7°C
(45°F)		 16°C
(61°F)		 22°C
(72°F)		 28°C
(83°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(91°F)		 33°C
(91°F)		 29°C
(85°F)		 24°C
(75°F)		 14°C
(58°F)
Mean maximum 5°C
(41°F)		 7°C
(45°F)		 17°C
(63°F)		 23°C
(74°F)		 30°C
(87°F)		 32°C
(90°F)		 33°C
(92°F)		 31°C
(89°F)		 31°C
(88°F)		 27°C
(80°F)		 16°C
(60°F)		 10°C
(51°F)
Average high -5°C
(24°F)		 -4°C
(25°F)		 5°C
(42°F)		 11°C
(53°F)		 20°C
(68°F)		 27°C
(80°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(73°F)		 13°C
(56°F)		 5°C
(41°F)		 -1°C
(31°F)
Daily mean -8°C
(17°F)		 -8°C
(17°F)		 1°C
(33°F)		 6°C
(44°F)		 15°C
(59°F)		 22°C
(71°F)		 23°C
(75°F)		 21°C
(71°F)		 18°C
(64°F)		 9°C
(49°F)		 1°C
(34°F)		 -5°C
(24°F)
Average low -12°C
(10°F)		 -13°C
(9°F)		 -4°C
(26°F)		 1°C
(35°F)		 10°C
(50°F)		 17°C
(62°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(56°F)		 5°C
(42°F)		 -3°C
(27°F)		 -9°C
(16°F)
Mean minimum -26°C
(-15°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -7°C
(19°F)		 2°C
(36°F)		 10°C
(51°F)		 14°C
(57°F)		 11°C
(52°F)		 5°C
(42°F)		 -4°C
(25°F)		 -13°C
(8°F)		 -23°C
(-9°F)
Minimum -34°C
(-28°F)		 -35°C
(-30°F)		 -25°C
(-13°F)		 -15°C
(6°F)		 -1°C
(30°F)		 8°C
(46°F)		 13°C
(55°F)		 10°C
(51°F)		 1°C
(35°F)		 -9°C
(17°F)		 -16°C
(4°F)		 -26°C
(-14°F)

Compare climate in Cottage Grove with other places

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

Monthly average precipitation in Cottage Grove, Minnesota, United States §

Cottage Grove usually has the most precipitation in May, August and September, with an average of 10 rainy days and 128 mm (5.1 inches) of precipitation per month.The driest months in Cottage Grove are January, February and November. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cottage Grove, 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) 31 (1.2) 39 (1.5) 61 (2.4) 87 (3.4) 143 (5.6) 103 (4.0) 108 (4.2) 124 (4.9) 118 (4.7) 97 (3.8) 38 (1.5) 52 (2.0)
Average precipitation days (≥ 1 mm) 5 6 7 10 12 11 10 11 9 11 8 7

Monthly sunshine hours in Cottage Grove, Minnesota, United States §

The sunniest months in Cottage Grove are June, July and August, when the sun shines an average of 11 hours 13 minutes a day.Least sunny months in Cottage Grove: January, November and December receive an average of 5 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cottage Grove, 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 139 203 233 235 288 346 362 323 253 212 179 175
Mean daily daylight hours 9h 13m 10h 26m 11h 57m 13h 31m 14h 51m 15h 31m 15h 9m 13h 57m 12h 27m 10h 54m 9h 32m 8h 50m

Solar UV radiation in Cottage Grove, Minnesota, United States §

Cottage Grove experiences the highest level of ultraviolet (UV) radiation in May, June 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 Cottage Grove UV Index data.

Average daily maximum UV levels by month for Cottage Grove, 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 9 10 9 9 7 5 3 2