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Monthly climate in Fountain, Colorado, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fountain features a cold semi-arid climate (BSk).Temperatures typically range between -2 °C (28 °F) and 21 °C (71 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 455 mm (17.9 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually.Fountain enjoys an average of 3519 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Fountain, Colorado, United States §

The warmest months in Fountain are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (67 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -1 °C (28 - 31 °F) throughout the day. On average each year, Fountain experiences 85 days above 25 °C (77.0 °F) and 155 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fountain, 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 17°C
(62°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 31°C
(87°F)		 37°C
(99°F)		 36°C
(97°F)		 35°C
(94°F)		 34°C
(93°F)		 29°C
(85°F)		 23°C
(74°F)		 20°C
(69°F)
Mean maximum 14°C
(58°F)		 17°C
(63°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(83°F)		 31°C
(89°F)		 35°C
(95°F)		 32°C
(90°F)		 33°C
(92°F)		 27°C
(81°F)		 21°C
(69°F)		 16°C
(61°F)
Average high 6°C
(43°F)		 5°C
(42°F)		 11°C
(52°F)		 15°C
(60°F)		 20°C
(68°F)		 27°C
(81°F)		 29°C
(84°F)		 28°C
(83°F)		 25°C
(78°F)		 16°C
(62°F)		 11°C
(53°F)		 7°C
(45°F)
Daily mean -2°C
(29°F)		 -2°C
(28°F)		 3°C
(38°F)		 7°C
(45°F)		 13°C
(55°F)		 19°C
(67°F)		 21°C
(71°F)		 21°C
(69°F)		 17°C
(64°F)		 8°C
(47°F)		 3°C
(38°F)		 -1°C
(31°F)
Average low -7°C
(19°F)		 -9°C
(16°F)		 -4°C
(25°F)		 -0°C
(32°F)		 5°C
(42°F)		 11°C
(52°F)		 14°C
(57°F)		 13°C
(56°F)		 10°C
(50°F)		 1°C
(34°F)		 -4°C
(26°F)		 -7°C
(20°F)
Mean minimum -19°C
(-3°F)		 -22°C
(-8°F)		 -13°C
(8°F)		 -8°C
(18°F)		 -1°C
(31°F)		 5°C
(41°F)		 10°C
(50°F)		 10°C
(50°F)		 2°C
(37°F)		 -11°C
(12°F)		 -13°C
(10°F)		 -15°C
(5°F)
Minimum -24°C
(-11°F)		 -29°C
(-20°F)		 -22°C
(-7°F)		 -11°C
(13°F)		 -4°C
(26°F)		 3°C
(39°F)		 9°C
(49°F)		 7°C
(46°F)		 -2°C
(29°F)		 -20°C
(-4°F)		 -22°C
(-7°F)		 -18°C
(-1°F)

Compare climate in Fountain with other places

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

Monthly average precipitation in Fountain, Colorado, United States §

Fountain usually has the most precipitation in May, July and August, with an average of 12 rainy days and 68 mm (2.7 inches) of precipitation per month.The driest months in Fountain are January, November and December. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fountain, 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) 14 (0.6) 21 (0.8) 45 (1.8) 46 (1.8) 72 (2.8) 37 (1.5) 77 (3.0) 56 (2.2) 30 (1.2) 31 (1.2) 17 (0.7) 10 (0.4)
Average precipitation days (≥ 1 mm) 3 7 7 10 13 9 14 10 5 6 4 3

Monthly sunshine hours in Fountain, Colorado, United States §

The sunniest months in Fountain are June, July and August, when the sun shines an average of 11 hours 42 minutes a day.Least sunny months in Fountain: January, February and December receive an average of 7 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fountain, 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 193 241 292 312 332 359 366 349 304 271 249 244
Mean daily daylight hours 9h 47m 10h 45m 11h 58m 13h 14m 14h 17m 14h 49m 14h 32m 13h 35m 12h 22m 11h 7m 10h 2m 9h 29m

Solar UV radiation in Fountain, Colorado, United States §

Fountain experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 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 Fountain UV Index data.

Average daily maximum UV levels by month for Fountain, 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 9 11 12 13 12 11 10 7 5 4