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Monthly climate in Blackhawk, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Blackhawk features a humid continental climate (Dfa).Temperatures typically range between -6 °C (22 °F) and 23 °C (73 °F) through the year, but rarely can drop to -29 °C (-21 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 603 mm (23.7 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually.Blackhawk enjoys an average of 3266 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 25 minutes per day.

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

The warmest months in Blackhawk are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (22 - 30 °F) throughout the day. On average each year, Blackhawk experiences 72 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 Blackhawk, 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 15°C
(59°F)		 21°C
(71°F)		 22°C
(72°F)		 26°C
(80°F)		 31°C
(88°F)		 37°C
(98°F)		 39°C
(102°F)		 38°C
(100°F)		 38°C
(101°F)		 32°C
(89°F)		 26°C
(79°F)		 22°C
(71°F)
Mean maximum 12°C
(55°F)		 15°C
(59°F)		 20°C
(68°F)		 25°C
(77°F)		 29°C
(85°F)		 31°C
(88°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 28°C
(82°F)		 22°C
(71°F)		 16°C
(62°F)
Average high 2°C
(36°F)		 0°C
(32°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(64°F)		 26°C
(79°F)		 29°C
(84°F)		 28°C
(82°F)		 23°C
(74°F)		 13°C
(57°F)		 9°C
(49°F)		 4°C
(40°F)
Daily mean -3°C
(27°F)		 -6°C
(22°F)		 2°C
(36°F)		 5°C
(42°F)		 12°C
(54°F)		 20°C
(67°F)		 23°C
(73°F)		 21°C
(70°F)		 17°C
(62°F)		 7°C
(45°F)		 3°C
(37°F)		 -1°C
(30°F)
Average low -8°C
(18°F)		 -11°C
(12°F)		 -4°C
(26°F)		 -1°C
(31°F)		 6°C
(43°F)		 13°C
(55°F)		 16°C
(61°F)		 14°C
(57°F)		 10°C
(50°F)		 1°C
(35°F)		 -3°C
(27°F)		 -6°C
(21°F)
Mean minimum -22°C
(-6°F)		 -24°C
(-11°F)		 -15°C
(6°F)		 -10°C
(15°F)		 -1°C
(30°F)		 7°C
(45°F)		 11°C
(52°F)		 8°C
(47°F)		 2°C
(36°F)		 -11°C
(13°F)		 -12°C
(11°F)		 -16°C
(4°F)
Minimum -26°C
(-15°F)		 -29°C
(-21°F)		 -28°C
(-18°F)		 -16°C
(4°F)		 -4°C
(25°F)		 5°C
(42°F)		 10°C
(50°F)		 6°C
(44°F)		 -2°C
(28°F)		 -19°C
(-1°F)		 -17°C
(2°F)		 -23°C
(-9°F)

Compare climate in Blackhawk with other places

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

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

Blackhawk usually has the most precipitation in May, June and July, with an average of 12 rainy days and 88 mm (3.5 inches) of precipitation per month.The driest months in Blackhawk are January, February and November. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Blackhawk, 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) 15 (0.6) 26 (1.0) 40 (1.6) 69 (2.7) 103 (4.1) 71 (2.8) 91 (3.6) 51 (2.0) 39 (1.5) 55 (2.2) 14 (0.6) 28 (1.1)
Average precipitation days (≥ 1 mm) 3 7 8 10 15 11 12 9 6 7 4 5

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

The sunniest months in Blackhawk are June, July and August, when the sun shines an average of 12 hours 4 minutes a day.Least sunny months in Blackhawk: January, February and December receive an average of 6 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Blackhawk, 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 166 209 255 278 302 374 381 355 285 238 217 201
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 25m 15h 4m 13h 54m 12h 26m 10h 55m 9h 36m 8h 54m

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

Blackhawk experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 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 Blackhawk UV Index data.

Average daily maximum UV levels by month for Blackhawk, 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 4 5 8 9 11 10 10 8 5 3 2