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Monthly climate in Sundance, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sundance features a humid continental climate (Dfb).Temperatures typically range between -6 °C (21 °F) and 22 °C (72 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 570 mm (22.4 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually.Sundance enjoys an average of 3235 hours of sunshine throughout the year, and daylight varies from 8 hours 53 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in Sundance, Wyoming, United States §

The warmest months in Sundance are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (65 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (21 - 28 °F) throughout the day. On average each year, Sundance experiences 67 days above 25 °C (77.0 °F) and 161 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sundance, Wyoming, 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 13°C
(56°F)		 17°C
(63°F)		 23°C
(74°F)		 25°C
(78°F)		 31°C
(89°F)		 37°C
(99°F)		 39°C
(102°F)		 36°C
(98°F)		 37°C
(99°F)		 29°C
(84°F)		 22°C
(72°F)		 20°C
(68°F)
Mean maximum 10°C
(50°F)		 12°C
(54°F)		 20°C
(68°F)		 23°C
(74°F)		 29°C
(84°F)		 30°C
(87°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(92°F)		 26°C
(78°F)		 18°C
(65°F)		 14°C
(57°F)
Average high 1°C
(34°F)		 -1°C
(31°F)		 8°C
(46°F)		 11°C
(52°F)		 17°C
(63°F)		 25°C
(77°F)		 29°C
(84°F)		 27°C
(81°F)		 23°C
(73°F)		 12°C
(54°F)		 7°C
(46°F)		 3°C
(37°F)
Daily mean -4°C
(25°F)		 -6°C
(21°F)		 2°C
(35°F)		 4°C
(40°F)		 11°C
(51°F)		 18°C
(65°F)		 22°C
(72°F)		 20°C
(68°F)		 15°C
(60°F)		 6°C
(42°F)		 2°C
(35°F)		 -2°C
(28°F)
Average low -9°C
(17°F)		 -12°C
(11°F)		 -4°C
(25°F)		 -2°C
(29°F)		 5°C
(40°F)		 11°C
(52°F)		 15°C
(59°F)		 13°C
(55°F)		 9°C
(48°F)		 0°C
(33°F)		 -3°C
(26°F)		 -7°C
(20°F)
Mean minimum -23°C
(-9°F)		 -25°C
(-13°F)		 -15°C
(6°F)		 -12°C
(10°F)		 -3°C
(28°F)		 5°C
(41°F)		 9°C
(49°F)		 6°C
(44°F)		 1°C
(34°F)		 -12°C
(11°F)		 -13°C
(9°F)		 -17°C
(1°F)
Minimum -28°C
(-18°F)		 -30°C
(-21°F)		 -29°C
(-20°F)		 -22°C
(-8°F)		 -4°C
(24°F)		 2°C
(35°F)		 8°C
(47°F)		 5°C
(40°F)		 -2°C
(29°F)		 -20°C
(-3°F)		 -19°C
(-2°F)		 -25°C
(-12°F)

Compare climate in Sundance with other places

Compare temperature, precipitation, sunshine, UV index in Sundance, Wyoming, United States with other places around the world.

Monthly average precipitation in Sundance, Wyoming, United States §

Sundance usually has the most precipitation in April, May and July, with an average of 13 rainy days and 76 mm (3.0 inches) of precipitation per month.The driest months in Sundance are January, November and December. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sundance, Wyoming, 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) 31 (1.2) 36 (1.4) 69 (2.7) 79 (3.1) 52 (2.1) 79 (3.1) 50 (2.0) 49 (1.9) 54 (2.1) 21 (0.8) 29 (1.1)
Average precipitation days (≥ 1 mm) 6 8 10 12 16 10 11 10 7 10 7 7

Monthly sunshine hours in Sundance, Wyoming, United States §

The sunniest months in Sundance are June, July and August, when the sun shines an average of 12 hours 5 minutes a day.Least sunny months in Sundance: January, February and December receive an average of 6 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sundance, Wyoming, 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 159 205 258 274 296 373 384 354 287 231 214 195
Mean daily daylight hours 9h 16m 10h 27m 11h 57m 13h 30m 14h 48m 15h 27m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 53m

Solar UV radiation in Sundance, Wyoming, United States §

Sundance 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 Sundance UV Index data.

Average daily maximum UV levels by month for Sundance, Wyoming, 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 9 9 11 11 10 8 5 3 2