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Monthly climate in Lander, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lander features a cold semi-arid climate (BSk).Temperatures typically range between -6 °C (22 °F) and 19 °C (67 °F) through the year, but rarely can drop to -31 °C (-23 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 596 mm (23.4 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.Lander enjoys an average of 3492 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in Lander, Wyoming, United States §

The warmest months in Lander are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (59 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -5 °C (22 - 23 °F) throughout the day. On average each year, Lander experiences 49 days above 25 °C (77.0 °F) and 185 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lander, 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 8°C
(47°F)		 12°C
(54°F)		 18°C
(64°F)		 21°C
(70°F)		 27°C
(80°F)		 32°C
(90°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(90°F)		 24°C
(76°F)		 18°C
(65°F)		 15°C
(59°F)
Mean maximum 6°C
(43°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 23°C
(74°F)		 25°C
(78°F)		 32°C
(89°F)		 31°C
(87°F)		 30°C
(86°F)		 20°C
(69°F)		 14°C
(58°F)		 8°C
(47°F)
Average high -0°C
(32°F)		 -0°C
(32°F)		 6°C
(42°F)		 9°C
(48°F)		 14°C
(57°F)		 22°C
(72°F)		 27°C
(81°F)		 26°C
(78°F)		 21°C
(70°F)		 11°C
(51°F)		 6°C
(43°F)		 0°C
(33°F)
Daily mean -6°C
(22°F)		 -6°C
(22°F)		 -0°C
(32°F)		 2°C
(36°F)		 8°C
(46°F)		 15°C
(59°F)		 19°C
(67°F)		 18°C
(64°F)		 13°C
(56°F)		 4°C
(39°F)		 -0°C
(32°F)		 -5°C
(23°F)
Average low -11°C
(13°F)		 -11°C
(12°F)		 -6°C
(22°F)		 -4°C
(25°F)		 1°C
(34°F)		 7°C
(45°F)		 11°C
(52°F)		 10°C
(49°F)		 6°C
(42°F)		 -3°C
(28°F)		 -5°C
(23°F)		 -10°C
(15°F)
Mean minimum -23°C
(-9°F)		 -23°C
(-9°F)		 -18°C
(0°F)		 -15°C
(5°F)		 -6°C
(22°F)		 0°C
(33°F)		 5°C
(42°F)		 5°C
(41°F)		 -4°C
(26°F)		 -18°C
(-1°F)		 -14°C
(7°F)		 -21°C
(-5°F)
Minimum -27°C
(-17°F)		 -25°C
(-13°F)		 -26°C
(-15°F)		 -18°C
(-1°F)		 -10°C
(15°F)		 -3°C
(27°F)		 2°C
(36°F)		 3°C
(37°F)		 -9°C
(15°F)		 -31°C
(-23°F)		 -22°C
(-7°F)		 -23°C
(-9°F)

Compare climate in Lander with other places

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

Monthly average precipitation in Lander, Wyoming, United States §

Lander usually has the most precipitation in April, May and June, with an average of 11 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Lander are January, November and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lander, 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) 24 (0.9) 38 (1.5) 53 (2.1) 85 (3.4) 111 (4.4) 53 (2.1) 43 (1.7) 44 (1.7) 44 (1.7) 48 (1.9) 29 (1.1) 25 (1.0)
Average precipitation days (≥ 1 mm) 4 8 8 12 14 9 10 8 6 7 5 7

Monthly sunshine hours in Lander, Wyoming, United States §

The sunniest months in Lander are June, July and August, when the sun shines an average of 12 hours 27 minutes a day.Least sunny months in Lander: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lander, 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 172 223 284 302 336 389 394 361 307 267 232 219
Mean daily daylight hours 9h 25m 10h 33m 11h 58m 13h 25m 14h 39m 15h 16m 14h 56m 13h 49m 12h 25m 10h 59m 9h 42m 9h 3m

Solar UV radiation in Lander, Wyoming, United States §

Lander experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Lander UV Index data.

Average daily maximum UV levels by month for Lander, 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 7 10 10 12 12 11 9 6 4 3