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Monthly climate in Piedmont, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Piedmont features a humid continental climate (Dfa).Temperatures typically range between -6 °C (21 °F) and 21 °C (70 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 812 mm (32.0 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Piedmont enjoys an average of 3260 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.

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

The warmest months in Piedmont are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (21 - 30 °F) throughout the day. On average each year, Piedmont experiences 55 days above 25 °C (77.0 °F) and 158 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Piedmont, 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
(58°F)		 20°C
(68°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(85°F)		 35°C
(95°F)		 37°C
(99°F)		 35°C
(96°F)		 36°C
(98°F)		 30°C
(86°F)		 24°C
(76°F)		 20°C
(69°F)
Mean maximum 12°C
(55°F)		 14°C
(57°F)		 19°C
(66°F)		 23°C
(74°F)		 28°C
(83°F)		 29°C
(85°F)		 34°C
(93°F)		 32°C
(91°F)		 32°C
(90°F)		 26°C
(80°F)		 20°C
(68°F)		 16°C
(60°F)
Average high 2°C
(36°F)		 -0°C
(32°F)		 7°C
(45°F)		 10°C
(51°F)		 16°C
(60°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(78°F)		 22°C
(71°F)		 12°C
(54°F)		 8°C
(47°F)		 4°C
(39°F)
Daily mean -3°C
(27°F)		 -6°C
(21°F)		 1°C
(35°F)		 4°C
(39°F)		 10°C
(50°F)		 18°C
(64°F)		 21°C
(70°F)		 19°C
(67°F)		 15°C
(59°F)		 6°C
(43°F)		 2°C
(36°F)		 -1°C
(30°F)
Average low -8°C
(18°F)		 -12°C
(11°F)		 -4°C
(25°F)		 -2°C
(29°F)		 5°C
(40°F)		 11°C
(53°F)		 15°C
(58°F)		 12°C
(55°F)		 9°C
(48°F)		 0°C
(33°F)		 -3°C
(27°F)		 -6°C
(22°F)
Mean minimum -24°C
(-11°F)		 -28°C
(-17°F)		 -16°C
(4°F)		 -13°C
(9°F)		 -3°C
(27°F)		 5°C
(42°F)		 9°C
(49°F)		 6°C
(44°F)		 0°C
(33°F)		 -13°C
(10°F)		 -14°C
(8°F)		 -16°C
(4°F)
Minimum -30°C
(-22°F)		 -33°C
(-28°F)		 -26°C
(-14°F)		 -22°C
(-6°F)		 -6°C
(22°F)		 4°C
(39°F)		 8°C
(46°F)		 5°C
(41°F)		 -4°C
(25°F)		 -21°C
(-5°F)		 -20°C
(-4°F)		 -24°C
(-11°F)

Compare climate in Piedmont with other places

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

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

Piedmont usually has the most precipitation in May, June and July, with an average of 16 rainy days and 123 mm (4.8 inches) of precipitation per month.The driest months in Piedmont are January, November and December. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Piedmont, 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) 34 (1.3) 49 (1.9) 88 (3.5) 130 (5.1) 108 (4.2) 130 (5.1) 82 (3.2) 53 (2.1) 65 (2.6) 21 (0.8) 32 (1.3)
Average precipitation days (≥ 1 mm) 5 9 10 13 18 15 17 12 7 8 6 7

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

The sunniest months in Piedmont are June, July and August, when the sun shines an average of 12 hours 6 minutes a day.Least sunny months in Piedmont: January, February and December receive an average of 6 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Piedmont, 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 163 207 256 276 301 375 382 356 288 236 215 198
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 26m 15h 5m 13h 55m 12h 27m 10h 55m 9h 35m 8h 54m

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

Piedmont 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 Piedmont UV Index data.

Average daily maximum UV levels by month for Piedmont, 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 4 6 9 9 11 11 10 8 5 3 2