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Monthly climate in Cascade, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cascade features a cold semi-arid climate (BSk).Temperatures typically range between -7 °C (19 °F) and 21 °C (70 °F) through the year, but rarely can drop to -37 °C (-34 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 504 mm (19.8 inches) and receives 94 rainy days on the 1 mm (0.04 inches) threshold annually.Cascade enjoys an average of 3189 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Cascade, Montana, United States §

The warmest months in Cascade are June, July and August, with daily mean temperatures ranging from 16 to 21 °C (62 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (19 - 28 °F) throughout the day. On average each year, Cascade experiences 62 days above 25 °C (77.0 °F) and 143 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cascade, 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 9°C
(49°F)		 16°C
(61°F)		 21°C
(70°F)		 27°C
(80°F)		 30°C
(86°F)		 37°C
(99°F)		 36°C
(98°F)		 38°C
(101°F)		 34°C
(94°F)		 29°C
(84°F)		 21°C
(69°F)		 17°C
(63°F)
Mean maximum 8°C
(46°F)		 11°C
(51°F)		 17°C
(62°F)		 23°C
(74°F)		 27°C
(82°F)		 29°C
(85°F)		 35°C
(96°F)		 35°C
(95°F)		 32°C
(90°F)		 25°C
(76°F)		 16°C
(62°F)		 12°C
(54°F)
Average high 0°C
(33°F)		 -3°C
(27°F)		 6°C
(43°F)		 11°C
(52°F)		 17°C
(63°F)		 23°C
(74°F)		 29°C
(85°F)		 28°C
(82°F)		 22°C
(71°F)		 12°C
(54°F)		 6°C
(43°F)		 1°C
(35°F)
Daily mean -4°C
(25°F)		 -7°C
(19°F)		 0°C
(33°F)		 5°C
(41°F)		 11°C
(52°F)		 16°C
(62°F)		 21°C
(70°F)		 20°C
(68°F)		 14°C
(58°F)		 6°C
(43°F)		 1°C
(35°F)		 -3°C
(28°F)
Average low -8°C
(18°F)		 -12°C
(11°F)		 -5°C
(24°F)		 -1°C
(31°F)		 5°C
(41°F)		 10°C
(50°F)		 13°C
(55°F)		 12°C
(54°F)		 8°C
(46°F)		 1°C
(34°F)		 -3°C
(28°F)		 -6°C
(21°F)
Mean minimum -25°C
(-12°F)		 -26°C
(-15°F)		 -18°C
(0°F)		 -10°C
(13°F)		 -2°C
(30°F)		 4°C
(40°F)		 7°C
(45°F)		 6°C
(43°F)		 -0°C
(31°F)		 -9°C
(16°F)		 -13°C
(9°F)		 -19°C
(-1°F)
Minimum -29°C
(-20°F)		 -37°C
(-34°F)		 -34°C
(-28°F)		 -15°C
(6°F)		 -5°C
(23°F)		 4°C
(39°F)		 4°C
(40°F)		 3°C
(38°F)		 -3°C
(26°F)		 -16°C
(3°F)		 -18°C
(-0°F)		 -28°C
(-18°F)

Compare climate in Cascade with other places

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

Monthly average precipitation in Cascade, Montana, United States §

Cascade usually has the most precipitation in April, May and June, with an average of 11 rainy days and 80 mm (3.2 inches) of precipitation per month.The driest months in Cascade are January, July and August. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cascade, 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) 16 (0.6) 40 (1.6) 29 (1.1) 64 (2.5) 81 (3.2) 96 (3.8) 15 (0.6) 27 (1.1) 41 (1.6) 40 (1.6) 30 (1.2) 27 (1.1)
Average precipitation days (≥ 1 mm) 4 12 7 11 12 11 5 4 6 7 8 7

Monthly sunshine hours in Cascade, Montana, United States §

The sunniest months in Cascade are June, July and August, when the sun shines an average of 12 hours 6 minutes a day.Least sunny months in Cascade: 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 Cascade, 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 154 181 268 279 317 361 402 351 276 236 183 176
Mean daily daylight hours 8h 57m 10h 17m 11h 57m 13h 39m 15h 6m 15h 51m 15h 26m 14h 8m 12h 29m 10h 47m 9h 18m 8h 31m

Solar UV radiation in Cascade, Montana, United States §

Cascade 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 Cascade UV Index data.

Average daily maximum UV levels by month for Cascade, 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) 2 4 5 8 9 10 10 9 7 5 3 2