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Monthly climate in Coram, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Coram features a humid continental climate (Dfb).Temperatures typically range between -9 °C (16 °F) and 18 °C (65 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 928 mm (36.5 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually.Coram enjoys an average of 2791 hours of sunshine throughout the year, and daylight varies from 8 hours 22 minutes to 16 hours 1 minutes per day.

Monthly average temperatures in Coram, Montana, United States §

The warmest months in Coram are June, July and August, with daily mean temperatures ranging from 14 to 18 °C (57 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -5 °C (16 - 24 °F) throughout the day. On average each year, Coram experiences 35 days above 25 °C (77.0 °F) and 170 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Coram, 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 4°C
(40°F)		 8°C
(47°F)		 15°C
(60°F)		 21°C
(70°F)		 27°C
(80°F)		 35°C
(96°F)		 35°C
(95°F)		 36°C
(97°F)		 30°C
(87°F)		 23°C
(74°F)		 13°C
(55°F)		 11°C
(51°F)
Mean maximum 4°C
(39°F)		 5°C
(42°F)		 12°C
(53°F)		 17°C
(63°F)		 24°C
(75°F)		 26°C
(80°F)		 32°C
(90°F)		 33°C
(91°F)		 28°C
(82°F)		 19°C
(66°F)		 10°C
(51°F)		 6°C
(43°F)
Average high -2°C
(28°F)		 -4°C
(24°F)		 3°C
(38°F)		 7°C
(46°F)		 14°C
(58°F)		 19°C
(67°F)		 25°C
(78°F)		 25°C
(77°F)		 18°C
(64°F)		 9°C
(48°F)		 2°C
(37°F)		 -2°C
(29°F)
Daily mean -6°C
(21°F)		 -9°C
(16°F)		 -1°C
(30°F)		 3°C
(37°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 17°C
(64°F)		 12°C
(54°F)		 4°C
(39°F)		 -1°C
(31°F)		 -5°C
(24°F)
Average low -10°C
(15°F)		 -14°C
(8°F)		 -6°C
(21°F)		 -2°C
(28°F)		 3°C
(38°F)		 7°C
(45°F)		 10°C
(50°F)		 10°C
(50°F)		 6°C
(44°F)		 -1°C
(31°F)		 -4°C
(25°F)		 -8°C
(17°F)
Mean minimum -24°C
(-10°F)		 -28°C
(-18°F)		 -18°C
(-1°F)		 -11°C
(13°F)		 -3°C
(27°F)		 1°C
(35°F)		 5°C
(42°F)		 5°C
(40°F)		 -1°C
(30°F)		 -11°C
(12°F)		 -14°C
(6°F)		 -19°C
(-2°F)
Minimum -25°C
(-13°F)		 -33°C
(-27°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -7°C
(21°F)		 0°C
(33°F)		 4°C
(40°F)		 3°C
(37°F)		 -3°C
(27°F)		 -18°C
(-0°F)		 -23°C
(-9°F)		 -27°C
(-17°F)

Compare climate in Coram with other places

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

Monthly average precipitation in Coram, Montana, United States §

Coram usually has the most precipitation in February, November and December, with an average of 18 rainy days and 111 mm (4.4 inches) of precipitation per month.The driest months in Coram are July, August and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Coram, 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) 78 (3.1) 108 (4.2) 80 (3.2) 94 (3.7) 77 (3.0) 71 (2.8) 22 (0.9) 27 (1.1) 49 (1.9) 98 (3.8) 115 (4.5) 109 (4.3)
Average precipitation days (≥ 1 mm) 16 18 16 18 13 12 3 4 8 13 19 19

Monthly sunshine hours in Coram, Montana, United States §

The sunniest months in Coram are June, July and August, when the sun shines an average of 11 hours 57 minutes a day.Least sunny months in Coram: January, November and December receive an average of 3 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Coram, 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 89 139 229 252 296 344 407 348 267 205 118 92
Mean daily daylight hours 8h 49m 10h 12m 11h 57m 13h 43m 15h 15m 16h 1m 15h 35m 14h 13m 12h 30m 10h 44m 9h 10m 8h 22m

Solar UV radiation in Coram, Montana, United States §

Coram experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 9, 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 Coram UV Index data.

Average daily maximum UV levels by month for Coram, 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 6 7 9 9 9 9 7 5 3 2