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Monthly climate in Sheridan, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sheridan features a cold semi-arid climate (BSk).Temperatures typically range between -9 °C (16 °F) and 19 °C (66 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 33 °C (93 °F).The average annual precipitation amounts to about 491 mm (19.3 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually.Sheridan enjoys an average of 3181 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 36 minutes per day.

Monthly average temperatures in Sheridan, Montana, United States §

The warmest months in Sheridan are June, July and August, with daily mean temperatures ranging from 14 to 19 °C (57 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -8 °C (16 - 18 °F) throughout the day. On average each year, Sheridan experiences 48 days above 25 °C (77.0 °F) and 194 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sheridan, Montana, 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 5°C
(41°F)		 7°C
(45°F)		 15°C
(60°F)		 20°C
(69°F)		 26°C
(79°F)		 32°C
(90°F)		 33°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 25°C
(76°F)		 17°C
(64°F)		 12°C
(53°F)
Mean maximum 2°C
(36°F)		 5°C
(42°F)		 11°C
(51°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(87°F)		 19°C
(67°F)		 11°C
(52°F)		 5°C
(41°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 3°C
(37°F)		 8°C
(46°F)		 14°C
(58°F)		 21°C
(70°F)		 27°C
(81°F)		 26°C
(79°F)		 20°C
(68°F)		 9°C
(49°F)		 3°C
(37°F)		 -3°C
(27°F)
Daily mean -8°C
(17°F)		 -9°C
(16°F)		 -2°C
(28°F)		 2°C
(35°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 17°C
(64°F)		 12°C
(54°F)		 3°C
(38°F)		 -2°C
(28°F)		 -8°C
(18°F)
Average low -13°C
(9°F)		 -13°C
(8°F)		 -7°C
(19°F)		 -4°C
(25°F)		 2°C
(36°F)		 7°C
(44°F)		 10°C
(50°F)		 9°C
(49°F)		 5°C
(41°F)		 -3°C
(28°F)		 -7°C
(20°F)		 -12°C
(10°F)
Mean minimum -27°C
(-15°F)		 -28°C
(-18°F)		 -20°C
(-3°F)		 -13°C
(9°F)		 -5°C
(23°F)		 0°C
(33°F)		 4°C
(39°F)		 5°C
(40°F)		 -3°C
(26°F)		 -14°C
(7°F)		 -16°C
(4°F)		 -24°C
(-10°F)
Minimum -32°C
(-25°F)		 -34°C
(-28°F)		 -29°C
(-20°F)		 -19°C
(-1°F)		 -7°C
(20°F)		 -1°C
(30°F)		 1°C
(34°F)		 3°C
(37°F)		 -6°C
(22°F)		 -23°C
(-9°F)		 -18°C
(-1°F)		 -27°C
(-16°F)

Compare climate in Sheridan with other places

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

Monthly average precipitation in Sheridan, Montana, United States §

Sheridan usually has the most precipitation in April, May and June, with an average of 13 rainy days and 70 mm (2.7 inches) of precipitation per month.The driest months in Sheridan are January, July and December. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sheridan, Montana, 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) 19 (0.7) 46 (1.8) 32 (1.3) 56 (2.2) 78 (3.1) 75 (3.0) 24 (0.9) 29 (1.1) 34 (1.3) 43 (1.7) 29 (1.1) 27 (1.1)
Average precipitation days (≥ 1 mm) 7 14 8 12 16 11 7 7 6 10 8 7

Monthly sunshine hours in Sheridan, Montana, United States §

The sunniest months in Sheridan are June, July and August, when the sun shines an average of 11 hours 48 minutes a day.Least sunny months in Sheridan: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sheridan, Montana, 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 146 179 271 283 311 346 393 346 281 238 196 187
Mean daily daylight hours 9h 9m 10h 24m 11h 57m 13h 33m 14h 55m 15h 36m 15h 13m 14h 0m 12h 27m 10h 52m 9h 28m 8h 45m

Solar UV radiation in Sheridan, Montana, United States §

Sheridan experiences the highest level of ultraviolet (UV) radiation in May, June 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 4. For more detailed information, check out our hourly Sheridan UV Index data.

Average daily maximum UV levels by month for Sheridan, Montana, 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 9 10 11 10 10 8 6 4 2