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Monthly climate in Idaho Springs, Colorado, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Idaho Springs features a subarctic climate (Dfc).Temperatures typically range between -7 °C (20 °F) and 15 °C (58 °F) through the year, but rarely can drop to -32 °C (-24 °F) or can rise to as high as 28 °C (82 °F).The average annual precipitation amounts to about 967 mm (38.1 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually.Idaho Springs enjoys an average of 3592 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Idaho Springs, Colorado, United States §

The warmest months in Idaho Springs are June, July and August, with daily mean temperatures ranging from 12 to 15 °C (54 - 58 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -5 °C (20 - 23 °F) throughout the day. On average each year, Idaho Springs experiences 6 days above 25 °C (77.0 °F) and 213 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Idaho Springs, Colorado, 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)		 13°C
(55°F)		 16°C
(61°F)		 17°C
(62°F)		 22°C
(72°F)		 27°C
(81°F)		 28°C
(82°F)		 26°C
(79°F)		 27°C
(81°F)		 21°C
(70°F)		 16°C
(62°F)		 14°C
(57°F)
Mean maximum 8°C
(46°F)		 9°C
(48°F)		 13°C
(55°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(73°F)		 27°C
(80°F)		 24°C
(76°F)		 26°C
(78°F)		 19°C
(66°F)		 13°C
(55°F)		 9°C
(49°F)
Average high -0°C
(32°F)		 -1°C
(31°F)		 4°C
(39°F)		 6°C
(44°F)		 11°C
(53°F)		 19°C
(67°F)		 21°C
(71°F)		 21°C
(70°F)		 18°C
(65°F)		 10°C
(50°F)		 5°C
(42°F)		 1°C
(34°F)
Daily mean -6°C
(21°F)		 -7°C
(20°F)		 -3°C
(28°F)		 -0°C
(32°F)		 5°C
(41°F)		 12°C
(54°F)		 15°C
(58°F)		 14°C
(57°F)		 11°C
(51°F)		 3°C
(37°F)		 -1°C
(30°F)		 -5°C
(23°F)
Average low -11°C
(12°F)		 -12°C
(10°F)		 -9°C
(17°F)		 -6°C
(21°F)		 -2°C
(29°F)		 4°C
(40°F)		 8°C
(46°F)		 7°C
(45°F)		 4°C
(39°F)		 -4°C
(25°F)		 -7°C
(20°F)		 -11°C
(13°F)
Mean minimum -23°C
(-10°F)		 -25°C
(-13°F)		 -17°C
(1°F)		 -15°C
(5°F)		 -9°C
(16°F)		 -1°C
(30°F)		 2°C
(36°F)		 4°C
(39°F)		 -5°C
(23°F)		 -17°C
(2°F)		 -16°C
(4°F)		 -21°C
(-5°F)
Minimum -27°C
(-16°F)		 -32°C
(-24°F)		 -23°C
(-9°F)		 -19°C
(-3°F)		 -13°C
(8°F)		 -3°C
(27°F)		 -0°C
(32°F)		 1°C
(34°F)		 -9°C
(15°F)		 -22°C
(-7°F)		 -21°C
(-5°F)		 -24°C
(-11°F)

Compare climate in Idaho Springs with other places

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

Monthly average precipitation in Idaho Springs, Colorado, United States §

Idaho Springs usually has the most precipitation in May, June and July, with an average of 20 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Idaho Springs are January, November and December. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Idaho Springs, Colorado, 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) 26 (1.0) 42 (1.6) 69 (2.7) 75 (3.0) 160 (6.3) 130 (5.1) 158 (6.2) 125 (4.9) 70 (2.8) 58 (2.3) 31 (1.2) 23 (0.9)
Average precipitation days (≥ 1 mm) 6 10 11 11 20 19 22 21 12 10 6 6

Monthly sunshine hours in Idaho Springs, Colorado, United States §

The sunniest months in Idaho Springs are June, July and August, when the sun shines an average of 12 hours 7 minutes a day.Least sunny months in Idaho Springs: January, February and December receive an average of 7 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Idaho Springs, Colorado, 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 187 239 294 315 349 379 380 355 313 281 251 243
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 23m 14h 55m 14h 37m 13h 38m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Idaho Springs, Colorado, United States §

Idaho Springs experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 13 - 13, 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 5. For more detailed information, check out our hourly Idaho Springs UV Index data.

Average daily maximum UV levels by month for Idaho Springs, Colorado, 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) 4 6 10 13 13 13 13 12 10 7 5 4