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Monthly climate in Hill City, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hill City features a humid continental climate (Dfa).Temperatures typically range between -7 °C (20 °F) and 20 °C (67 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 869 mm (34.2 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.Hill City enjoys an average of 3312 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Hill City, South Dakota, United States §

The warmest months in Hill City are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (62 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -2 °C (20 - 28 °F) throughout the day. On average each year, Hill City experiences 45 days above 25 °C (77.0 °F) and 171 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hill City, 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 14°C
(57°F)		 18°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(91°F)		 34°C
(94°F)		 27°C
(81°F)		 23°C
(73°F)		 19°C
(66°F)
Mean maximum 12°C
(53°F)		 12°C
(54°F)		 18°C
(64°F)		 22°C
(72°F)		 27°C
(80°F)		 28°C
(83°F)		 33°C
(92°F)		 31°C
(87°F)		 31°C
(88°F)		 24°C
(76°F)		 18°C
(65°F)		 14°C
(58°F)
Average high 1°C
(35°F)		 -1°C
(31°F)		 6°C
(44°F)		 9°C
(49°F)		 15°C
(58°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(69°F)		 11°C
(52°F)		 7°C
(45°F)		 3°C
(37°F)
Daily mean -4°C
(25°F)		 -7°C
(20°F)		 1°C
(33°F)		 3°C
(38°F)		 9°C
(48°F)		 17°C
(62°F)		 20°C
(67°F)		 18°C
(65°F)		 14°C
(58°F)		 5°C
(41°F)		 1°C
(34°F)		 -2°C
(28°F)
Average low -9°C
(16°F)		 -12°C
(10°F)		 -5°C
(24°F)		 -3°C
(27°F)		 3°C
(38°F)		 10°C
(51°F)		 13°C
(56°F)		 12°C
(53°F)		 8°C
(46°F)		 -1°C
(31°F)		 -4°C
(25°F)		 -7°C
(20°F)
Mean minimum -24°C
(-11°F)		 -27°C
(-17°F)		 -17°C
(2°F)		 -14°C
(7°F)		 -3°C
(26°F)		 5°C
(40°F)		 8°C
(47°F)		 6°C
(43°F)		 -1°C
(30°F)		 -13°C
(8°F)		 -15°C
(5°F)		 -18°C
(-1°F)
Minimum -29°C
(-19°F)		 -32°C
(-25°F)		 -27°C
(-17°F)		 -20°C
(-4°F)		 -7°C
(19°F)		 3°C
(37°F)		 7°C
(45°F)		 5°C
(41°F)		 -9°C
(16°F)		 -22°C
(-7°F)		 -25°C
(-13°F)		 -27°C
(-17°F)

Compare climate in Hill City with other places

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

Monthly average precipitation in Hill City, South Dakota, United States §

Hill City usually has the most precipitation in May, June and July, with an average of 18 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Hill City are January, November and December. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hill City, 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) 19 (0.7) 35 (1.4) 52 (2.0) 91 (3.6) 137 (5.4) 106 (4.2) 155 (6.1) 101 (4.0) 60 (2.4) 60 (2.3) 23 (0.9) 31 (1.2)
Average precipitation days (≥ 1 mm) 5 9 9 14 19 17 19 15 8 9 6 7

Monthly sunshine hours in Hill City, South Dakota, United States §

The sunniest months in Hill City are June, July and August, when the sun shines an average of 12 hours 8 minutes a day.Least sunny months in Hill City: January, February and December receive an average of 6 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hill City, 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 167 213 261 283 303 376 383 356 290 246 223 204
Mean daily daylight hours 9h 18m 10h 28m 11h 57m 13h 29m 14h 46m 15h 25m 15h 4m 13h 54m 12h 26m 10h 56m 9h 36m 8h 55m

Solar UV radiation in Hill City, South Dakota, United States §

Hill City 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 Hill City UV Index data.

Average daily maximum UV levels by month for Hill City, 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 6 9 9 11 11 10 8 6 3 2