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Monthly climate in Goodwill, South Dakota, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Goodwill features a humid continental climate (Dfb).Temperatures typically range between -11 °C (13 °F) and 23 °C (73 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 733 mm (28.9 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually.Goodwill enjoys an average of 3016 hours of sunshine throughout the year, and daylight varies from 8 hours 44 minutes to 15 hours 37 minutes per day.

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

The warmest months in Goodwill are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (69 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -5 °C (13 - 23 °F) throughout the day. On average each year, Goodwill experiences 63 days above 25 °C (77.0 °F) and 153 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Goodwill, 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 6°C
(43°F)		 16°C
(61°F)		 25°C
(77°F)		 27°C
(80°F)		 34°C
(93°F)		 37°C
(99°F)		 36°C
(97°F)		 33°C
(93°F)		 32°C
(91°F)		 28°C
(82°F)		 24°C
(75°F)		 13°C
(56°F)
Mean maximum 4°C
(40°F)		 7°C
(44°F)		 14°C
(58°F)		 24°C
(75°F)		 29°C
(85°F)		 31°C
(88°F)		 34°C
(93°F)		 31°C
(88°F)		 31°C
(88°F)		 25°C
(77°F)		 16°C
(61°F)		 9°C
(49°F)
Average high -6°C
(21°F)		 -6°C
(22°F)		 3°C
(38°F)		 10°C
(50°F)		 19°C
(66°F)		 26°C
(80°F)		 28°C
(82°F)		 26°C
(79°F)		 22°C
(72°F)		 12°C
(54°F)		 4°C
(40°F)		 -1°C
(30°F)
Daily mean -10°C
(14°F)		 -11°C
(13°F)		 -1°C
(30°F)		 4°C
(40°F)		 13°C
(56°F)		 21°C
(70°F)		 23°C
(73°F)		 21°C
(69°F)		 17°C
(62°F)		 7°C
(46°F)		 0°C
(32°F)		 -5°C
(23°F)
Average low -14°C
(7°F)		 -15°C
(5°F)		 -6°C
(22°F)		 -1°C
(31°F)		 8°C
(47°F)		 15°C
(60°F)		 18°C
(64°F)		 15°C
(60°F)		 12°C
(53°F)		 3°C
(38°F)		 -4°C
(25°F)		 -9°C
(16°F)
Mean minimum -28°C
(-18°F)		 -27°C
(-17°F)		 -18°C
(0°F)		 -10°C
(15°F)		 0°C
(32°F)		 9°C
(49°F)		 12°C
(54°F)		 10°C
(49°F)		 3°C
(38°F)		 -7°C
(20°F)		 -13°C
(9°F)		 -23°C
(-10°F)
Minimum -35°C
(-30°F)		 -33°C
(-28°F)		 -28°C
(-17°F)		 -16°C
(3°F)		 -1°C
(30°F)		 7°C
(45°F)		 10°C
(51°F)		 8°C
(47°F)		 1°C
(33°F)		 -11°C
(12°F)		 -16°C
(3°F)		 -27°C
(-16°F)

Compare climate in Goodwill with other places

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

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

Goodwill usually has the most precipitation in July, August and September, with an average of 10 rainy days and 98 mm (3.9 inches) of precipitation per month.The driest months in Goodwill 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 Goodwill, 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) 21 (0.8) 17 (0.7) 41 (1.6) 59 (2.3) 81 (3.2) 82 (3.2) 87 (3.4) 121 (4.7) 86 (3.4) 79 (3.1) 24 (0.9) 36 (1.4)
Average precipitation days (≥ 1 mm) 5 5 6 10 10 9 10 12 10 9 5 6

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

The sunniest months in Goodwill are June, July and August, when the sun shines an average of 11 hours 23 minutes a day.Least sunny months in Goodwill: January, November and December receive an average of 5 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Goodwill, 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 140 203 242 249 303 357 365 325 252 214 187 174
Mean daily daylight hours 9h 8m 10h 23m 11h 57m 13h 33m 14h 55m 15h 37m 15h 14m 14h 0m 12h 28m 10h 52m 9h 28m 8h 44m

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

Goodwill experiences the highest level of ultraviolet (UV) radiation in May, June 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 Goodwill UV Index data.

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