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Monthly climate in Brookings, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brookings features a humid continental climate (Dfa).Temperatures typically range between -9 °C (17 °F) and 23 °C (74 °F) through the year, but rarely can drop to -36 °C (-33 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 800 mm (31.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually.Brookings enjoys an average of 3001 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 Brookings, South Dakota, United States §

The warmest months in Brookings 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 -9 to -4 °C (17 - 25 °F) throughout the day. On average each year, Brookings experiences 72 days above 25 °C (77.0 °F) and 150 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brookings, South 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 8°C
(47°F)		 17°C
(63°F)		 25°C
(78°F)		 29°C
(85°F)		 33°C
(92°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(91°F)		 29°C
(84°F)		 26°C
(78°F)		 14°C
(57°F)
Mean maximum 6°C
(43°F)		 9°C
(48°F)		 18°C
(65°F)		 25°C
(78°F)		 30°C
(86°F)		 31°C
(89°F)		 34°C
(93°F)		 31°C
(89°F)		 31°C
(88°F)		 27°C
(80°F)		 17°C
(63°F)		 9°C
(49°F)
Average high -4°C
(25°F)		 -4°C
(26°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(67°F)		 27°C
(81°F)		 28°C
(83°F)		 26°C
(79°F)		 23°C
(74°F)		 13°C
(56°F)		 6°C
(42°F)		 0°C
(32°F)
Daily mean -9°C
(17°F)		 -9°C
(17°F)		 0°C
(33°F)		 6°C
(42°F)		 14°C
(57°F)		 22°C
(71°F)		 23°C
(74°F)		 21°C
(70°F)		 17°C
(64°F)		 8°C
(47°F)		 0°C
(33°F)		 -4°C
(25°F)
Average low -13°C
(9°F)		 -14°C
(8°F)		 -4°C
(24°F)		 0°C
(33°F)		 9°C
(48°F)		 16°C
(61°F)		 18°C
(64°F)		 16°C
(60°F)		 12°C
(54°F)		 3°C
(38°F)		 -4°C
(25°F)		 -9°C
(17°F)
Mean minimum -27°C
(-17°F)		 -25°C
(-13°F)		 -16°C
(3°F)		 -10°C
(14°F)		 0°C
(32°F)		 9°C
(49°F)		 12°C
(53°F)		 10°C
(50°F)		 3°C
(38°F)		 -7°C
(19°F)		 -14°C
(8°F)		 -22°C
(-7°F)
Minimum -36°C
(-33°F)		 -31°C
(-23°F)		 -28°C
(-18°F)		 -18°C
(-1°F)		 -1°C
(30°F)		 6°C
(43°F)		 10°C
(50°F)		 8°C
(47°F)		 2°C
(35°F)		 -14°C
(7°F)		 -17°C
(3°F)		 -25°C
(-13°F)

Compare climate in Brookings with other places

Compare temperature, precipitation, sunshine, UV index in Brookings, South Dakota, United States with other places around the world.

Monthly average precipitation in Brookings, South Dakota, United States §

Brookings usually has the most precipitation in May, August and September, with an average of 9 rainy days and 107 mm (4.2 inches) of precipitation per month.The driest months in Brookings 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 Brookings, South 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) 21 (0.8) 21 (0.8) 56 (2.2) 70 (2.8) 104 (4.1) 84 (3.3) 96 (3.8) 115 (4.5) 101 (4.0) 71 (2.8) 27 (1.0) 34 (1.3)
Average precipitation days (≥ 1 mm) 4 5 6 9 11 9 8 9 9 8 5 4

Monthly sunshine hours in Brookings, South Dakota, United States §

The sunniest months in Brookings are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Brookings: January, November and December receive an average of 5 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brookings, South 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 140 204 232 250 290 346 360 326 250 215 194 187
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 Brookings, South Dakota, United States §

Brookings 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 Brookings UV Index data.

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