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Monthly climate in Gregory, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gregory features a humid continental climate (Dfa).Temperatures typically range between -6 °C (22 °F) and 25 °C (77 °F) through the year, but rarely can drop to -36 °C (-32 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 715 mm (28.1 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually.Gregory enjoys an average of 3160 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 19 minutes per day.

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

The warmest months in Gregory are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (72 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Gregory experiences 90 days above 25 °C (77.0 °F) and 141 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gregory, 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
(57°F)		 23°C
(73°F)		 25°C
(77°F)		 31°C
(88°F)		 34°C
(94°F)		 38°C
(101°F)		 39°C
(103°F)		 36°C
(97°F)		 35°C
(96°F)		 29°C
(85°F)		 27°C
(80°F)		 20°C
(68°F)
Mean maximum 11°C
(51°F)		 15°C
(60°F)		 21°C
(70°F)		 27°C
(82°F)		 30°C
(86°F)		 33°C
(91°F)		 37°C
(98°F)		 34°C
(93°F)		 33°C
(92°F)		 27°C
(81°F)		 21°C
(71°F)		 14°C
(58°F)
Average high -0°C
(32°F)		 0°C
(32°F)		 8°C
(47°F)		 13°C
(56°F)		 20°C
(68°F)		 28°C
(83°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(77°F)		 14°C
(58°F)		 9°C
(48°F)		 3°C
(37°F)
Daily mean -5°C
(23°F)		 -6°C
(22°F)		 2°C
(36°F)		 7°C
(44°F)		 14°C
(58°F)		 22°C
(72°F)		 25°C
(77°F)		 23°C
(73°F)		 19°C
(66°F)		 9°C
(48°F)		 3°C
(37°F)		 -3°C
(27°F)
Average low -10°C
(14°F)		 -12°C
(12°F)		 -3°C
(26°F)		 1°C
(33°F)		 9°C
(48°F)		 16°C
(61°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(55°F)		 3°C
(38°F)		 -3°C
(27°F)		 -8°C
(19°F)
Mean minimum -25°C
(-13°F)		 -24°C
(-12°F)		 -15°C
(5°F)		 -9°C
(16°F)		 1°C
(34°F)		 10°C
(51°F)		 12°C
(55°F)		 10°C
(50°F)		 5°C
(40°F)		 -8°C
(18°F)		 -12°C
(11°F)		 -19°C
(-2°F)
Minimum -36°C
(-32°F)		 -33°C
(-26°F)		 -25°C
(-12°F)		 -15°C
(5°F)		 -3°C
(28°F)		 6°C
(43°F)		 10°C
(51°F)		 8°C
(47°F)		 3°C
(37°F)		 -14°C
(7°F)		 -16°C
(3°F)		 -25°C
(-13°F)

Compare climate in Gregory with other places

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

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

Gregory usually has the most precipitation in May, June and August, with an average of 10 rainy days and 90 mm (3.6 inches) of precipitation per month.The driest months in Gregory are January, February and November. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gregory, 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) 23 (0.9) 22 (0.9) 65 (2.6) 64 (2.5) 113 (4.4) 82 (3.2) 75 (3.0) 75 (3.0) 68 (2.7) 67 (2.6) 19 (0.7) 41 (1.6)
Average precipitation days (≥ 1 mm) 4 6 8 9 13 8 10 10 6 8 4 5

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

The sunniest months in Gregory are June, July and August, when the sun shines an average of 11 hours 35 minutes a day.Least sunny months in Gregory: January, February and December receive an average of 6 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gregory, 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 157 206 235 267 287 355 370 340 277 233 225 201
Mean daily daylight hours 9h 23m 10h 31m 11h 58m 13h 26m 14h 41m 15h 19m 14h 58m 13h 51m 12h 26m 10h 58m 9h 40m 9h 1m

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

Gregory experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 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 Gregory UV Index data.

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