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Monthly climate in Trego, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Trego features a subarctic climate (Dfc).Temperatures typically range between -9 °C (15 °F) and 18 °C (64 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 804 mm (31.6 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually.Trego enjoys an average of 2761 hours of sunshine throughout the year, and daylight varies from 8 hours 19 minutes to 16 hours 4 minutes per day.

Monthly average temperatures in Trego, Montana, United States §

The warmest months in Trego are June, July and August, with daily mean temperatures ranging from 13 to 18 °C (55 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (15 - 22 °F) throughout the day. On average each year, Trego experiences 30 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 Trego, 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)		 14°C
(58°F)		 23°C
(73°F)		 26°C
(79°F)		 35°C
(96°F)		 34°C
(94°F)		 36°C
(97°F)		 30°C
(86°F)		 22°C
(72°F)		 11°C
(53°F)		 9°C
(49°F)
Mean maximum 3°C
(38°F)		 4°C
(40°F)		 11°C
(52°F)		 16°C
(62°F)		 23°C
(73°F)		 25°C
(78°F)		 32°C
(89°F)		 33°C
(91°F)		 27°C
(82°F)		 18°C
(64°F)		 9°C
(48°F)		 5°C
(42°F)
Average high -3°C
(27°F)		 -5°C
(23°F)		 3°C
(37°F)		 7°C
(45°F)		 14°C
(57°F)		 18°C
(66°F)		 25°C
(76°F)		 24°C
(76°F)		 17°C
(63°F)		 8°C
(46°F)		 2°C
(35°F)		 -2°C
(28°F)
Daily mean -7°C
(20°F)		 -9°C
(15°F)		 -2°C
(28°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(55°F)		 18°C
(64°F)		 17°C
(63°F)		 11°C
(52°F)		 3°C
(37°F)		 -2°C
(29°F)		 -6°C
(22°F)
Average low -11°C
(13°F)		 -14°C
(7°F)		 -7°C
(20°F)		 -3°C
(27°F)		 2°C
(36°F)		 7°C
(44°F)		 9°C
(49°F)		 9°C
(49°F)		 5°C
(41°F)		 -2°C
(28°F)		 -5°C
(22°F)		 -9°C
(16°F)
Mean minimum -25°C
(-13°F)		 -28°C
(-18°F)		 -20°C
(-3°F)		 -11°C
(12°F)		 -4°C
(25°F)		 0°C
(33°F)		 5°C
(41°F)		 3°C
(38°F)		 -2°C
(28°F)		 -13°C
(10°F)		 -17°C
(2°F)		 -22°C
(-7°F)
Minimum -30°C
(-21°F)		 -35°C
(-30°F)		 -29°C
(-20°F)		 -21°C
(-6°F)		 -7°C
(20°F)		 -1°C
(31°F)		 3°C
(38°F)		 1°C
(34°F)		 -4°C
(25°F)		 -20°C
(-3°F)		 -26°C
(-15°F)		 -32°C
(-25°F)

Compare climate in Trego with other places

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

Monthly average precipitation in Trego, Montana, United States §

Trego usually has the most precipitation in February, November and December, with an average of 16 rainy days and 89 mm (3.5 inches) of precipitation per month.The driest months in Trego are July, August and September. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trego, 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) 63 (2.5) 90 (3.5) 70 (2.8) 78 (3.1) 70 (2.7) 72 (2.8) 27 (1.0) 34 (1.3) 44 (1.7) 82 (3.2) 89 (3.5) 87 (3.4)
Average precipitation days (≥ 1 mm) 13 16 15 17 14 14 5 7 7 12 17 15

Monthly sunshine hours in Trego, Montana, United States §

The sunniest months in Trego are June, July and August, when the sun shines an average of 12 hours 2 minutes a day.Least sunny months in Trego: January, November and December receive an average of 2 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trego, 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 79 138 220 254 303 350 407 349 264 205 104 83
Mean daily daylight hours 8h 47m 10h 11m 11h 56m 13h 44m 15h 17m 16h 4m 15h 37m 14h 14m 12h 30m 10h 43m 9h 9m 8h 19m

Solar UV radiation in Trego, Montana, United States §

Trego 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, February 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 Trego UV Index data.

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