nomadseason

Monthly climate in De Smet, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification De Smet features a humid continental climate (Dfa).Temperatures typically range between -9 °C (16 °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 36 °C (98 °F).The average annual precipitation amounts to about 750 mm (29.5 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually.De Smet enjoys an average of 3077 hours of sunshine throughout the year, and daylight varies from 8 hours 53 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in De Smet, South Dakota, United States §

The warmest months in De Smet 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 -9 to -4 °C (16 - 25 °F) throughout the day. On average each year, De Smet experiences 71 days above 25 °C (77.0 °F) and 151 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in De Smet, 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 8°C
(47°F)		 16°C
(61°F)		 25°C
(78°F)		 28°C
(82°F)		 33°C
(91°F)		 36°C
(98°F)		 36°C
(98°F)		 34°C
(93°F)		 33°C
(92°F)		 28°C
(83°F)		 25°C
(77°F)		 14°C
(58°F)
Mean maximum 6°C
(42°F)		 8°C
(47°F)		 18°C
(65°F)		 25°C
(76°F)		 29°C
(85°F)		 31°C
(88°F)		 34°C
(93°F)		 32°C
(89°F)		 31°C
(88°F)		 26°C
(79°F)		 17°C
(63°F)		 9°C
(49°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(67°F)		 27°C
(81°F)		 28°C
(83°F)		 26°C
(80°F)		 23°C
(73°F)		 13°C
(55°F)		 6°C
(42°F)		 -0°C
(32°F)
Daily mean -9°C
(16°F)		 -9°C
(16°F)		 -0°C
(32°F)		 5°C
(42°F)		 14°C
(57°F)		 21°C
(71°F)		 23°C
(74°F)		 21°C
(71°F)		 17°C
(64°F)		 8°C
(46°F)		 1°C
(34°F)		 -4°C
(25°F)
Average low -13°C
(8°F)		 -14°C
(7°F)		 -5°C
(24°F)		 -0°C
(32°F)		 8°C
(47°F)		 16°C
(60°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 -27°C
(-17°F)		 -26°C
(-15°F)		 -16°C
(3°F)		 -10°C
(15°F)		 0°C
(32°F)		 10°C
(50°F)		 12°C
(55°F)		 10°C
(49°F)		 3°C
(38°F)		 -7°C
(19°F)		 -13°C
(10°F)		 -22°C
(-7°F)
Minimum -37°C
(-35°F)		 -30°C
(-21°F)		 -28°C
(-19°F)		 -19°C
(-1°F)		 -2°C
(29°F)		 6°C
(42°F)		 9°C
(49°F)		 9°C
(48°F)		 2°C
(35°F)		 -13°C
(9°F)		 -16°C
(4°F)		 -26°C
(-14°F)

Compare climate in De Smet with other places

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

Monthly average precipitation in De Smet, South Dakota, United States §

De Smet usually has the most precipitation in July, August and September, with an average of 9 rainy days and 94 mm (3.7 inches) of precipitation per month.The driest months in De Smet are January, February and November. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in De Smet, 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) 18 (0.7) 55 (2.2) 78 (3.1) 87 (3.4) 78 (3.1) 91 (3.6) 97 (3.8) 95 (3.7) 79 (3.1) 22 (0.9) 30 (1.2)
Average precipitation days (≥ 1 mm) 5 3 7 10 10 9 9 9 9 8 4 5

Monthly sunshine hours in De Smet, South Dakota, United States §

The sunniest months in De Smet are June, July and August, when the sun shines an average of 11 hours 29 minutes a day.Least sunny months in De Smet: January, November and December receive an average of 5 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in De Smet, 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 145 206 236 258 295 353 369 334 258 224 201 192
Mean daily daylight hours 9h 16m 10h 27m 11h 57m 13h 29m 14h 48m 15h 27m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 53m

Solar UV radiation in De Smet, South Dakota, United States §

De Smet experiences the highest level of ultraviolet (UV) radiation in June, July 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 De Smet UV Index data.

Average daily maximum UV levels by month for De Smet, 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 10 10 9 8 5 3 2