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Monthly climate in Cascade, Idaho, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cascade features a humid continental climate (Dsb).Temperatures typically range between -5 °C (23 °F) and 19 °C (67 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 998 mm (39.3 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Cascade enjoys an average of 3169 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 28 minutes per day.

Monthly average temperatures in Cascade, Idaho, United States §

The warmest months in Cascade are June, July and August, with daily mean temperatures ranging from 13 to 19 °C (56 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -4 °C (23 - 24 °F) throughout the day. On average each year, Cascade experiences 46 days above 25 °C (77.0 °F) and 187 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, Idaho, 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)		 7°C
(45°F)		 14°C
(57°F)		 20°C
(69°F)		 27°C
(81°F)		 34°C
(94°F)		 33°C
(92°F)		 35°C
(95°F)		 32°C
(89°F)		 23°C
(74°F)		 15°C
(60°F)		 9°C
(49°F)
Mean maximum 4°C
(40°F)		 6°C
(43°F)		 12°C
(53°F)		 16°C
(61°F)		 23°C
(73°F)		 25°C
(77°F)		 32°C
(89°F)		 32°C
(91°F)		 29°C
(85°F)		 19°C
(66°F)		 11°C
(52°F)		 6°C
(43°F)
Average high -1°C
(30°F)		 -1°C
(31°F)		 5°C
(40°F)		 8°C
(47°F)		 13°C
(56°F)		 20°C
(68°F)		 27°C
(81°F)		 26°C
(79°F)		 20°C
(68°F)		 10°C
(51°F)		 4°C
(39°F)		 -1°C
(30°F)
Daily mean -5°C
(24°F)		 -4°C
(24°F)		 0°C
(32°F)		 3°C
(37°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(67°F)		 18°C
(65°F)		 13°C
(55°F)		 4°C
(40°F)		 -1°C
(30°F)		 -5°C
(23°F)
Average low -8°C
(18°F)		 -8°C
(18°F)		 -4°C
(25°F)		 -3°C
(28°F)		 0°C
(33°F)		 6°C
(43°F)		 10°C
(50°F)		 9°C
(49°F)		 5°C
(41°F)		 -1°C
(30°F)		 -6°C
(22°F)		 -9°C
(16°F)
Mean minimum -18°C
(0°F)		 -18°C
(-1°F)		 -12°C
(10°F)		 -9°C
(17°F)		 -6°C
(22°F)		 -1°C
(31°F)		 5°C
(41°F)		 4°C
(39°F)		 -3°C
(28°F)		 -11°C
(13°F)		 -17°C
(2°F)		 -22°C
(-7°F)
Minimum -21°C
(-5°F)		 -23°C
(-9°F)		 -19°C
(-2°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -2°C
(29°F)		 3°C
(37°F)		 2°C
(35°F)		 -5°C
(22°F)		 -22°C
(-7°F)		 -19°C
(-2°F)		 -26°C
(-15°F)

Compare climate in Cascade with other places

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

Monthly average precipitation in Cascade, Idaho, United States §

Cascade usually has the most precipitation in January, February and March, with an average of 15 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Cascade are July, August and September. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cascade, Idaho, 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) 119 (4.7) 163 (6.4) 114 (4.5) 97 (3.8) 85 (3.4) 65 (2.6) 9 (0.3) 21 (0.8) 43 (1.7) 71 (2.8) 101 (4.0) 109 (4.3)
Average precipitation days (≥ 1 mm) 13 19 14 12 13 9 3 4 5 10 13 15

Monthly sunshine hours in Cascade, Idaho, United States §

The sunniest months in Cascade are June, July and August, when the sun shines an average of 12 hours 18 minutes a day.Least sunny months in Cascade: January, February and December receive an average of 4 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cascade, Idaho, 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 116 150 248 288 341 365 405 362 304 245 188 151
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 49m 15h 28m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 52m

Solar UV radiation in Cascade, Idaho, 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 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 Cascade UV Index data.

Average daily maximum UV levels by month for Cascade, Idaho, 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 11 10 8 6 4 2