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Monthly climate in Colman, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Colman features a humid continental climate (Dfa).Temperatures typically range between -8 °C (18 °F) and 23 °C (74 °F) through the year, but rarely can drop to -37 °C (-35 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 838 mm (33.0 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually.Colman enjoys an average of 3042 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Colman, South Dakota, United States §

The warmest months in Colman 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 -8 to -4 °C (18 - 25 °F) throughout the day. On average each year, Colman experiences 74 days above 25 °C (77.0 °F) and 148 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Colman, 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 9°C
(49°F)		 17°C
(63°F)		 25°C
(78°F)		 29°C
(85°F)		 33°C
(92°F)		 37°C
(99°F)		 35°C
(95°F)		 34°C
(94°F)		 32°C
(90°F)		 29°C
(84°F)		 26°C
(78°F)		 14°C
(58°F)
Mean maximum 7°C
(44°F)		 10°C
(49°F)		 19°C
(66°F)		 25°C
(78°F)		 30°C
(86°F)		 32°C
(90°F)		 34°C
(93°F)		 31°C
(88°F)		 31°C
(88°F)		 27°C
(80°F)		 18°C
(64°F)		 10°C
(50°F)
Average high -3°C
(26°F)		 -3°C
(27°F)		 6°C
(42°F)		 12°C
(53°F)		 20°C
(68°F)		 27°C
(82°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(74°F)		 13°C
(56°F)		 6°C
(43°F)		 0°C
(33°F)
Daily mean -8°C
(18°F)		 -8°C
(18°F)		 1°C
(33°F)		 6°C
(43°F)		 14°C
(58°F)		 22°C
(72°F)		 23°C
(74°F)		 21°C
(70°F)		 18°C
(64°F)		 8°C
(47°F)		 1°C
(34°F)		 -4°C
(25°F)
Average low -12°C
(10°F)		 -13°C
(8°F)		 -4°C
(25°F)		 0°C
(33°F)		 9°C
(48°F)		 16°C
(61°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(54°F)		 3°C
(38°F)		 -4°C
(25°F)		 -8°C
(17°F)
Mean minimum -26°C
(-15°F)		 -25°C
(-12°F)		 -16°C
(4°F)		 -10°C
(14°F)		 0°C
(33°F)		 10°C
(50°F)		 12°C
(54°F)		 10°C
(50°F)		 4°C
(39°F)		 -7°C
(19°F)		 -14°C
(8°F)		 -22°C
(-6°F)
Minimum -37°C
(-35°F)		 -30°C
(-21°F)		 -27°C
(-17°F)		 -18°C
(0°F)		 -1°C
(30°F)		 6°C
(43°F)		 10°C
(51°F)		 8°C
(47°F)		 2°C
(37°F)		 -13°C
(8°F)		 -17°C
(2°F)		 -25°C
(-14°F)

Compare climate in Colman with other places

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

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

Colman usually has the most precipitation in May, August and September, with an average of 10 rainy days and 115 mm (4.5 inches) of precipitation per month.The driest months in Colman 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 Colman, 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) 20 (0.8) 23 (0.9) 59 (2.3) 72 (2.8) 116 (4.6) 81 (3.2) 99 (3.9) 116 (4.6) 112 (4.4) 76 (3.0) 27 (1.1) 36 (1.4)
Average precipitation days (≥ 1 mm) 4 5 6 9 12 9 8 10 9 8 6 4

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

The sunniest months in Colman are June, July and August, when the sun shines an average of 11 hours 20 minutes a day.Least sunny months in Colman: January, November and December receive an average of 5 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Colman, 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 145 208 230 253 284 348 364 330 255 222 203 194
Mean daily daylight hours 9h 18m 10h 29m 11h 57m 13h 28m 14h 46m 15h 24m 15h 3m 13h 54m 12h 26m 10h 56m 9h 36m 8h 56m

Solar UV radiation in Colman, South Dakota, United States §

Colman experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme 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 Colman UV Index data.

Average daily maximum UV levels by month for Colman, 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 11 10 9 8 5 3 2