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Monthly climate in Clark, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clark features a humid continental climate (Dfa).Temperatures typically range between -10 °C (14 °F) and 23 °C (74 °F) through the year, but rarely can drop to -37 °C (-34 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 676 mm (26.6 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually.Clark enjoys an average of 3071 hours of sunshine throughout the year, and daylight varies from 8 hours 49 minutes to 15 hours 31 minutes per day.

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

The warmest months in Clark are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (71 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -5 °C (14 - 23 °F) throughout the day. On average each year, Clark experiences 71 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clark, 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 7°C
(45°F)		 16°C
(61°F)		 25°C
(77°F)		 27°C
(82°F)		 34°C
(94°F)		 37°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(93°F)		 28°C
(82°F)		 24°C
(75°F)		 14°C
(57°F)
Mean maximum 5°C
(41°F)		 7°C
(46°F)		 16°C
(62°F)		 24°C
(76°F)		 30°C
(85°F)		 31°C
(88°F)		 34°C
(94°F)		 32°C
(90°F)		 31°C
(89°F)		 25°C
(77°F)		 16°C
(61°F)		 9°C
(49°F)
Average high -5°C
(23°F)		 -5°C
(23°F)		 4°C
(40°F)		 10°C
(51°F)		 19°C
(67°F)		 27°C
(81°F)		 29°C
(84°F)		 27°C
(80°F)		 23°C
(73°F)		 12°C
(55°F)		 5°C
(41°F)		 -1°C
(31°F)
Daily mean -9°C
(15°F)		 -10°C
(14°F)		 -1°C
(31°F)		 5°C
(41°F)		 14°C
(57°F)		 21°C
(71°F)		 23°C
(74°F)		 21°C
(71°F)		 17°C
(63°F)		 8°C
(46°F)		 0°C
(33°F)		 -5°C
(23°F)
Average low -14°C
(7°F)		 -15°C
(6°F)		 -5°C
(23°F)		 -0°C
(32°F)		 8°C
(47°F)		 15°C
(60°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(54°F)		 3°C
(37°F)		 -4°C
(25°F)		 -9°C
(16°F)
Mean minimum -27°C
(-16°F)		 -27°C
(-17°F)		 -17°C
(1°F)		 -10°C
(15°F)		 -0°C
(32°F)		 9°C
(49°F)		 12°C
(54°F)		 10°C
(49°F)		 3°C
(38°F)		 -7°C
(19°F)		 -13°C
(9°F)		 -23°C
(-9°F)
Minimum -37°C
(-34°F)		 -30°C
(-23°F)		 -28°C
(-19°F)		 -18°C
(1°F)		 -2°C
(28°F)		 5°C
(42°F)		 9°C
(49°F)		 9°C
(48°F)		 2°C
(37°F)		 -14°C
(7°F)		 -16°C
(3°F)		 -26°C
(-14°F)

Compare climate in Clark with other places

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

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

Clark usually has the most precipitation in July, August and September, with an average of 8 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Clark 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 Clark, 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 (0.8) 15 (0.6) 43 (1.7) 60 (2.3) 73 (2.9) 77 (3.0) 81 (3.2) 93 (3.7) 84 (3.3) 79 (3.1) 20 (0.8) 31 (1.2)
Average precipitation days (≥ 1 mm) 5 4 6 9 10 9 9 9 8 8 4 5

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

The sunniest months in Clark are June, July and August, when the sun shines an average of 11 hours 32 minutes a day.Least sunny months in Clark: January, November and December receive an average of 5 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clark, 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 143 205 242 254 303 359 368 333 256 222 196 184
Mean daily daylight hours 9h 13m 10h 25m 11h 57m 13h 31m 14h 51m 15h 31m 15h 9m 13h 57m 12h 27m 10h 54m 9h 32m 8h 49m

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

Clark 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 Clark UV Index data.

Average daily maximum UV levels by month for Clark, 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 7 9 10 9 9 8 5 3 2