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Monthly climate in Grand Forks Air Force Base, North Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grand Forks Air Force Base features a humid continental climate (Dfb).Temperatures typically range between -14 °C (8 °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 41 °C (105 °F).The average annual precipitation amounts to about 573 mm (22.6 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually.Grand Forks Air Force Base enjoys an average of 3017 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 57 minutes per day.

Monthly average temperatures in Grand Forks Air Force Base, North Dakota, United States §

The warmest months in Grand Forks Air Force Base 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 -14 to -9 °C (8 - 17 °F) throughout the day. On average each year, Grand Forks Air Force Base experiences 62 days above 25 °C (77.0 °F) and 166 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grand Forks Air Force Base, North Dakota, 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 4°C
(40°F)		 9°C
(48°F)		 21°C
(71°F)		 24°C
(75°F)		 33°C
(91°F)		 41°C
(105°F)		 36°C
(97°F)		 36°C
(98°F)		 33°C
(91°F)		 29°C
(84°F)		 23°C
(73°F)		 9°C
(49°F)
Mean maximum 3°C
(37°F)		 3°C
(38°F)		 11°C
(53°F)		 20°C
(68°F)		 29°C
(85°F)		 31°C
(89°F)		 33°C
(92°F)		 33°C
(92°F)		 31°C
(88°F)		 24°C
(76°F)		 12°C
(54°F)		 6°C
(44°F)
Average high -8°C
(17°F)		 -9°C
(16°F)		 1°C
(34°F)		 9°C
(48°F)		 19°C
(66°F)		 26°C
(79°F)		 28°C
(82°F)		 26°C
(79°F)		 21°C
(70°F)		 11°C
(52°F)		 1°C
(34°F)		 -5°C
(24°F)
Daily mean -13°C
(10°F)		 -14°C
(8°F)		 -4°C
(26°F)		 3°C
(38°F)		 13°C
(55°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)		 -9°C
(17°F)
Average low -17°C
(2°F)		 -18°C
(-1°F)		 -8°C
(18°F)		 -2°C
(29°F)		 7°C
(44°F)		 14°C
(57°F)		 16°C
(62°F)		 14°C
(57°F)		 10°C
(50°F)		 2°C
(35°F)		 -7°C
(19°F)		 -13°C
(9°F)
Mean minimum -33°C
(-27°F)		 -31°C
(-23°F)		 -21°C
(-6°F)		 -12°C
(11°F)		 -2°C
(29°F)		 8°C
(46°F)		 10°C
(50°F)		 8°C
(46°F)		 2°C
(36°F)		 -8°C
(18°F)		 -18°C
(0°F)		 -27°C
(-17°F)
Minimum -38°C
(-36°F)		 -35°C
(-30°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -5°C
(23°F)		 5°C
(41°F)		 8°C
(47°F)		 6°C
(44°F)		 -2°C
(28°F)		 -11°C
(13°F)		 -21°C
(-5°F)		 -33°C
(-28°F)

Compare climate in Grand Forks Air Force Base with other places

Compare temperature, precipitation, sunshine, UV index in Grand Forks Air Force Base, North Dakota, United States with other places around the world.

Monthly average precipitation in Grand Forks Air Force Base, North Dakota, United States §

Grand Forks Air Force Base usually has the most precipitation in August, September and October, with an average of 8 rainy days and 77 mm (3.0 inches) of precipitation per month.The driest months in Grand Forks Air Force Base are January, February and March. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grand Forks Air Force Base, North Dakota, 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) 17 (0.7) 19 (0.7) 24 (0.9) 34 (1.3) 54 (2.1) 73 (2.9) 61 (2.4) 73 (2.9) 77 (3.0) 82 (3.2) 24 (1.0) 35 (1.4)
Average precipitation days (≥ 1 mm) 4 5 5 6 8 9 9 8 8 9 5 7

Monthly sunshine hours in Grand Forks Air Force Base, North Dakota, United States §

The sunniest months in Grand Forks Air Force Base are June, July and August, when the sun shines an average of 11 hours 28 minutes a day.Least sunny months in Grand Forks Air Force Base: January, November and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grand Forks Air Force Base, North Dakota, 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 143 207 247 263 310 355 376 323 254 198 168 167
Mean daily daylight hours 8h 52m 10h 14m 11h 56m 13h 41m 15h 11m 15h 57m 15h 32m 14h 11m 12h 30m 10h 46m 9h 14m 8h 26m

Solar UV radiation in Grand Forks Air Force Base, North Dakota, United States §

Grand Forks Air Force Base experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, 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 Grand Forks Air Force Base UV Index data.

Average daily maximum UV levels by month for Grand Forks Air Force Base, North Dakota, 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 9 9 8 7 4 3 2