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Monthly climate in Platte, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Platte features a humid continental climate (Dfa).Temperatures typically range between -7 °C (20 °F) and 25 °C (77 °F) through the year, but rarely can drop to -35 °C (-31 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 697 mm (27.4 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually.Platte enjoys an average of 3166 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 20 minutes per day.

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

The warmest months in Platte are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 26 °F) throughout the day. On average each year, Platte experiences 91 days above 25 °C (77.0 °F) and 140 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Platte, 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 12°C
(54°F)		 21°C
(71°F)		 26°C
(79°F)		 30°C
(87°F)		 34°C
(94°F)		 39°C
(103°F)		 39°C
(103°F)		 36°C
(97°F)		 34°C
(93°F)		 29°C
(85°F)		 27°C
(81°F)		 19°C
(66°F)
Mean maximum 9°C
(48°F)		 13°C
(55°F)		 21°C
(70°F)		 27°C
(81°F)		 30°C
(87°F)		 33°C
(92°F)		 36°C
(98°F)		 33°C
(91°F)		 33°C
(91°F)		 27°C
(81°F)		 20°C
(69°F)		 12°C
(54°F)
Average high -1°C
(30°F)		 -1°C
(30°F)		 8°C
(46°F)		 13°C
(56°F)		 20°C
(69°F)		 29°C
(84°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(77°F)		 15°C
(59°F)		 8°C
(47°F)		 2°C
(35°F)
Daily mean -6°C
(21°F)		 -7°C
(20°F)		 2°C
(36°F)		 7°C
(45°F)		 15°C
(59°F)		 23°C
(73°F)		 25°C
(77°F)		 23°C
(73°F)		 19°C
(66°F)		 9°C
(48°F)		 2°C
(37°F)		 -3°C
(26°F)
Average low -11°C
(12°F)		 -12°C
(11°F)		 -3°C
(26°F)		 1°C
(34°F)		 9°C
(49°F)		 17°C
(63°F)		 19°C
(67°F)		 17°C
(63°F)		 13°C
(56°F)		 4°C
(39°F)		 -3°C
(27°F)		 -8°C
(18°F)
Mean minimum -26°C
(-14°F)		 -24°C
(-12°F)		 -15°C
(6°F)		 -8°C
(17°F)		 1°C
(35°F)		 11°C
(52°F)		 13°C
(56°F)		 11°C
(53°F)		 5°C
(41°F)		 -7°C
(19°F)		 -11°C
(12°F)		 -20°C
(-4°F)
Minimum -35°C
(-31°F)		 -29°C
(-21°F)		 -25°C
(-12°F)		 -13°C
(8°F)		 -1°C
(30°F)		 7°C
(45°F)		 11°C
(51°F)		 10°C
(50°F)		 3°C
(38°F)		 -13°C
(8°F)		 -15°C
(5°F)		 -26°C
(-15°F)

Compare climate in Platte with other places

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

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

Platte usually has the most precipitation in May, July and September, with an average of 9 rainy days and 88 mm (3.5 inches) of precipitation per month.The driest months in Platte 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 Platte, 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) 20 (0.8) 60 (2.4) 62 (2.5) 105 (4.1) 69 (2.7) 82 (3.2) 73 (2.9) 77 (3.0) 73 (2.9) 17 (0.7) 39 (1.5)
Average precipitation days (≥ 1 mm) 4 5 7 8 12 9 10 10 6 8 4 5

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

The sunniest months in Platte are June, July and August, when the sun shines an average of 11 hours 40 minutes a day.Least sunny months in Platte: January, February and December receive an average of 6 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Platte, 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 158 209 238 267 295 357 374 342 271 233 218 200
Mean daily daylight hours 9h 22m 10h 31m 11h 58m 13h 27m 14h 42m 15h 20m 14h 59m 13h 52m 12h 26m 10h 57m 9h 40m 9h 0m

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

Platte experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 Platte UV Index data.

Average daily maximum UV levels by month for Platte, 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 6 8 9 11 10 9 8 5 3 2