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Monthly climate in Mound City, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mound City features a humid continental climate (Dfa).Temperatures typically range between -10 °C (13 °F) and 24 °C (75 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 529 mm (20.8 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually.Mound City enjoys an average of 3117 hours of sunshine throughout the year, and daylight varies from 8 hours 43 minutes to 15 hours 38 minutes per day.

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

The warmest months in Mound City are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -5 °C (13 - 23 °F) throughout the day. On average each year, Mound City experiences 77 days above 25 °C (77.0 °F) and 156 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mound 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 9°C
(49°F)		 14°C
(57°F)		 22°C
(71°F)		 26°C
(79°F)		 33°C
(92°F)		 38°C
(100°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(95°F)		 28°C
(83°F)		 24°C
(76°F)		 16°C
(62°F)
Mean maximum 7°C
(44°F)		 9°C
(48°F)		 16°C
(61°F)		 23°C
(74°F)		 30°C
(86°F)		 32°C
(90°F)		 36°C
(96°F)		 35°C
(95°F)		 33°C
(91°F)		 24°C
(76°F)		 17°C
(63°F)		 11°C
(51°F)
Average high -4°C
(24°F)		 -5°C
(23°F)		 4°C
(40°F)		 11°C
(52°F)		 19°C
(67°F)		 27°C
(82°F)		 30°C
(86°F)		 28°C
(83°F)		 23°C
(74°F)		 12°C
(54°F)		 5°C
(42°F)		 -1°C
(31°F)
Daily mean -9°C
(16°F)		 -10°C
(13°F)		 -1°C
(31°F)		 5°C
(41°F)		 13°C
(57°F)		 21°C
(71°F)		 24°C
(75°F)		 22°C
(71°F)		 17°C
(63°F)		 7°C
(45°F)		 0°C
(32°F)		 -5°C
(23°F)
Average low -13°C
(8°F)		 -16°C
(4°F)		 -6°C
(22°F)		 -1°C
(31°F)		 7°C
(46°F)		 15°C
(59°F)		 18°C
(64°F)		 16°C
(60°F)		 11°C
(52°F)		 2°C
(36°F)		 -5°C
(24°F)		 -9°C
(15°F)
Mean minimum -27°C
(-17°F)		 -29°C
(-19°F)		 -19°C
(-1°F)		 -11°C
(13°F)		 -1°C
(30°F)		 8°C
(47°F)		 13°C
(55°F)		 9°C
(49°F)		 3°C
(37°F)		 -9°C
(17°F)		 -13°C
(8°F)		 -24°C
(-11°F)
Minimum -32°C
(-25°F)		 -33°C
(-27°F)		 -28°C
(-17°F)		 -18°C
(0°F)		 -4°C
(26°F)		 5°C
(41°F)		 11°C
(51°F)		 8°C
(46°F)		 1°C
(34°F)		 -15°C
(5°F)		 -17°C
(2°F)		 -27°C
(-17°F)

Compare climate in Mound City with other places

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

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

Mound City usually has the most precipitation in August, September and October, with an average of 7 rainy days and 73 mm (2.9 inches) of precipitation per month.The driest months in Mound City are January, February and November. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mound 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) 13 (0.5) 17 (0.7) 27 (1.1) 42 (1.7) 56 (2.2) 58 (2.3) 59 (2.3) 90 (3.6) 64 (2.5) 63 (2.5) 14 (0.5) 26 (1.0)
Average precipitation days (≥ 1 mm) 3 5 5 6 9 8 9 7 6 8 4 5

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

The sunniest months in Mound City are June, July and August, when the sun shines an average of 11 hours 44 minutes a day.Least sunny months in Mound City: January, November and December receive an average of 5 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mound 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 149 207 243 262 303 366 377 335 268 217 200 183
Mean daily daylight hours 9h 7m 10h 23m 11h 57m 13h 34m 14h 56m 15h 38m 15h 15m 14h 1m 12h 28m 10h 52m 9h 27m 8h 43m

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

Mound City experiences the highest level of ultraviolet (UV) radiation in May, June 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 Mound City UV Index data.

Average daily maximum UV levels by month for Mound 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) 2 5 5 7 9 10 9 9 8 5 3 2