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Monthly climate in Gettysburg, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gettysburg features a humid continental climate (Dfa).Temperatures typically range between -10 °C (15 °F) and 24 °C (76 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 559 mm (22.0 inches) and receives 76 rainy days on the 1 mm (0.04 inches) threshold annually.Gettysburg enjoys an average of 3144 hours of sunshine throughout the year, and daylight varies from 8 hours 48 minutes to 15 hours 32 minutes per day.

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

The warmest months in Gettysburg are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -4 °C (15 - 24 °F) throughout the day. On average each year, Gettysburg experiences 79 days above 25 °C (77.0 °F) and 152 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gettysburg, 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)		 17°C
(62°F)		 24°C
(76°F)		 28°C
(82°F)		 34°C
(93°F)		 39°C
(102°F)		 38°C
(101°F)		 37°C
(99°F)		 34°C
(94°F)		 29°C
(85°F)		 23°C
(73°F)		 17°C
(64°F)
Mean maximum 7°C
(45°F)		 10°C
(50°F)		 17°C
(63°F)		 24°C
(75°F)		 29°C
(85°F)		 32°C
(91°F)		 36°C
(97°F)		 35°C
(94°F)		 33°C
(92°F)		 25°C
(78°F)		 17°C
(63°F)		 11°C
(53°F)
Average high -4°C
(26°F)		 -4°C
(24°F)		 5°C
(42°F)		 11°C
(53°F)		 19°C
(67°F)		 28°C
(82°F)		 30°C
(86°F)		 28°C
(83°F)		 24°C
(75°F)		 13°C
(55°F)		 6°C
(43°F)		 0°C
(33°F)
Daily mean -8°C
(17°F)		 -10°C
(15°F)		 -0°C
(32°F)		 6°C
(42°F)		 14°C
(57°F)		 22°C
(71°F)		 24°C
(76°F)		 22°C
(72°F)		 18°C
(64°F)		 7°C
(46°F)		 1°C
(34°F)		 -4°C
(24°F)
Average low -13°C
(9°F)		 -15°C
(6°F)		 -5°C
(24°F)		 -0°C
(32°F)		 8°C
(47°F)		 15°C
(60°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(53°F)		 3°C
(37°F)		 -4°C
(25°F)		 -9°C
(17°F)
Mean minimum -26°C
(-14°F)		 -29°C
(-20°F)		 -18°C
(-0°F)		 -9°C
(16°F)		 -0°C
(32°F)		 9°C
(49°F)		 12°C
(55°F)		 10°C
(50°F)		 3°C
(38°F)		 -8°C
(17°F)		 -12°C
(10°F)		 -21°C
(-6°F)
Minimum -31°C
(-24°F)		 -32°C
(-26°F)		 -27°C
(-16°F)		 -14°C
(7°F)		 -4°C
(26°F)		 6°C
(43°F)		 11°C
(52°F)		 9°C
(49°F)		 1°C
(35°F)		 -15°C
(5°F)		 -16°C
(3°F)		 -27°C
(-17°F)

Compare climate in Gettysburg with other places

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

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

Gettysburg usually has the most precipitation in June, July and August, with an average of 8 rainy days and 75 mm (2.9 inches) of precipitation per month.The driest months in Gettysburg are January, February and November. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gettysburg, 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) 13 (0.5) 20 (0.8) 31 (1.2) 46 (1.8) 63 (2.5) 67 (2.6) 92 (3.6) 66 (2.6) 65 (2.6) 60 (2.4) 12 (0.5) 26 (1.0)
Average precipitation days (≥ 1 mm) 3 5 6 8 10 7 10 7 5 7 3 5

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

The sunniest months in Gettysburg are June, July and August, when the sun shines an average of 11 hours 46 minutes a day.Least sunny months in Gettysburg: January, November and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gettysburg, 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 150 209 244 269 301 367 376 339 267 224 206 188
Mean daily daylight hours 9h 12m 10h 25m 11h 57m 13h 32m 14h 52m 15h 32m 15h 10m 13h 58m 12h 27m 10h 54m 9h 31m 8h 48m

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

Gettysburg 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 Gettysburg UV Index data.

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