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Monthly climate in Miller, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Miller features a humid continental climate (Dfa).Temperatures typically range between -9 °C (17 °F) and 24 °C (76 °F) through the year, but rarely can drop to -34 °C (-29 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 634 mm (24.9 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually.Miller enjoys an average of 3150 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 28 minutes per day.

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

The warmest months in Miller are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -4 °C (17 - 25 °F) throughout the day. On average each year, Miller experiences 83 days above 25 °C (77.0 °F) and 148 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Miller, 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 10°C
(50°F)		 18°C
(65°F)		 25°C
(77°F)		 28°C
(84°F)		 36°C
(97°F)		 39°C
(103°F)		 39°C
(103°F)		 37°C
(99°F)		 35°C
(96°F)		 30°C
(86°F)		 25°C
(78°F)		 17°C
(63°F)
Mean maximum 7°C
(45°F)		 10°C
(50°F)		 19°C
(66°F)		 25°C
(78°F)		 30°C
(87°F)		 33°C
(92°F)		 37°C
(98°F)		 34°C
(93°F)		 33°C
(92°F)		 26°C
(79°F)		 19°C
(66°F)		 12°C
(53°F)
Average high -3°C
(27°F)		 -3°C
(26°F)		 6°C
(43°F)		 12°C
(54°F)		 20°C
(68°F)		 28°C
(83°F)		 30°C
(86°F)		 28°C
(83°F)		 24°C
(76°F)		 14°C
(57°F)		 7°C
(45°F)		 1°C
(34°F)
Daily mean -8°C
(18°F)		 -9°C
(17°F)		 1°C
(33°F)		 6°C
(43°F)		 14°C
(58°F)		 22°C
(72°F)		 24°C
(76°F)		 22°C
(72°F)		 18°C
(65°F)		 8°C
(47°F)		 1°C
(35°F)		 -4°C
(25°F)
Average low -12°C
(10°F)		 -14°C
(8°F)		 -4°C
(25°F)		 0°C
(33°F)		 9°C
(48°F)		 16°C
(61°F)		 18°C
(65°F)		 16°C
(62°F)		 12°C
(54°F)		 3°C
(38°F)		 -4°C
(26°F)		 -8°C
(17°F)
Mean minimum -27°C
(-15°F)		 -27°C
(-16°F)		 -16°C
(3°F)		 -8°C
(17°F)		 0°C
(33°F)		 10°C
(50°F)		 13°C
(55°F)		 10°C
(51°F)		 4°C
(39°F)		 -8°C
(18°F)		 -13°C
(10°F)		 -22°C
(-7°F)
Minimum -34°C
(-29°F)		 -32°C
(-25°F)		 -26°C
(-15°F)		 -13°C
(9°F)		 -2°C
(28°F)		 6°C
(43°F)		 11°C
(52°F)		 9°C
(49°F)		 3°C
(37°F)		 -15°C
(6°F)		 -16°C
(3°F)		 -26°C
(-15°F)

Compare climate in Miller with other places

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

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

Miller usually has the most precipitation in May, June and July, with an average of 10 rainy days and 85 mm (3.3 inches) of precipitation per month.The driest months in Miller are January, February and November. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Miller, 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) 17 (0.7) 19 (0.8) 40 (1.6) 56 (2.2) 76 (3.0) 79 (3.1) 99 (3.9) 64 (2.5) 75 (3.0) 63 (2.5) 14 (0.6) 31 (1.2)
Average precipitation days (≥ 1 mm) 4 5 7 8 10 9 11 8 6 8 3 4

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

The sunniest months in Miller are June, July and August, when the sun shines an average of 11 hours 43 minutes a day.Least sunny months in Miller: January, February and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Miller, 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 153 209 241 269 295 362 373 342 265 231 213 191
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 49m 15h 28m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 52m

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

Miller 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 Miller UV Index data.

Average daily maximum UV levels by month for Miller, 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 4 5 7 9 10 10 9 8 5 3 2