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Monthly climate in Townsend, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Townsend features a cold semi-arid climate (BSk).Temperatures typically range between -9 °C (16 °F) and 19 °C (67 °F) through the year, but rarely can drop to -31 °C (-24 °F) or can rise to as high as 35 °C (94 °F).The average annual precipitation amounts to about 544 mm (21.4 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Townsend enjoys an average of 3152 hours of sunshine throughout the year, and daylight varies from 8 hours 39 minutes to 15 hours 43 minutes per day.

Monthly average temperatures in Townsend, Montana, United States §

The warmest months in Townsend are June, July and August, with daily mean temperatures ranging from 15 to 19 °C (59 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -7 °C (16 - 19 °F) throughout the day. On average each year, Townsend experiences 53 days above 25 °C (77.0 °F) and 179 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Townsend, 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
(39°F)		 7°C
(45°F)		 17°C
(62°F)		 23°C
(74°F)		 26°C
(80°F)		 35°C
(94°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(93°F)		 26°C
(79°F)		 19°C
(66°F)		 15°C
(59°F)
Mean maximum 2°C
(36°F)		 6°C
(43°F)		 12°C
(54°F)		 20°C
(69°F)		 25°C
(76°F)		 28°C
(82°F)		 32°C
(91°F)		 33°C
(91°F)		 31°C
(88°F)		 21°C
(71°F)		 12°C
(55°F)		 6°C
(44°F)
Average high -4°C
(25°F)		 -4°C
(25°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(60°F)		 22°C
(71°F)		 28°C
(82°F)		 27°C
(80°F)		 21°C
(70°F)		 10°C
(51°F)		 3°C
(37°F)		 -2°C
(28°F)
Daily mean -8°C
(18°F)		 -9°C
(16°F)		 -2°C
(29°F)		 3°C
(37°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(67°F)		 19°C
(66°F)		 13°C
(56°F)		 4°C
(40°F)		 -2°C
(29°F)		 -7°C
(19°F)
Average low -12°C
(10°F)		 -14°C
(8°F)		 -7°C
(20°F)		 -3°C
(27°F)		 3°C
(38°F)		 8°C
(47°F)		 11°C
(52°F)		 11°C
(52°F)		 7°C
(44°F)		 -1°C
(30°F)		 -7°C
(20°F)		 -12°C
(11°F)
Mean minimum -24°C
(-10°F)		 -26°C
(-15°F)		 -19°C
(-3°F)		 -12°C
(10°F)		 -3°C
(26°F)		 2°C
(35°F)		 5°C
(41°F)		 5°C
(42°F)		 -1°C
(30°F)		 -12°C
(10°F)		 -16°C
(4°F)		 -23°C
(-8°F)
Minimum -28°C
(-18°F)		 -31°C
(-24°F)		 -28°C
(-18°F)		 -22°C
(-8°F)		 -5°C
(23°F)		 1°C
(33°F)		 2°C
(36°F)		 3°C
(38°F)		 -3°C
(26°F)		 -24°C
(-11°F)		 -20°C
(-5°F)		 -26°C
(-14°F)

Compare climate in Townsend with other places

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

Monthly average precipitation in Townsend, Montana, United States §

Townsend usually has the most precipitation in April, May and June, with an average of 14 rainy days and 79 mm (3.1 inches) of precipitation per month.The driest months in Townsend are January, July and December. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Townsend, 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) 21 (0.8) 47 (1.9) 34 (1.3) 65 (2.6) 81 (3.2) 92 (3.6) 32 (1.2) 34 (1.3) 38 (1.5) 39 (1.5) 33 (1.3) 29 (1.1)
Average precipitation days (≥ 1 mm) 6 13 9 13 16 13 8 7 6 10 9 8

Monthly sunshine hours in Townsend, Montana, United States §

The sunniest months in Townsend are June, July and August, when the sun shines an average of 11 hours 56 minutes a day.Least sunny months in Townsend: January, February and December receive an average of 5 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Townsend, 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 150 178 266 278 306 354 395 349 272 232 188 178
Mean daily daylight hours 9h 3m 10h 20m 11h 57m 13h 36m 15h 0m 15h 43m 15h 19m 14h 3m 12h 28m 10h 50m 9h 23m 8h 39m

Solar UV radiation in Townsend, Montana, United States §

Townsend experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 3. For more detailed information, check out our hourly Townsend UV Index data.

Average daily maximum UV levels by month for Townsend, 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) 3 4 6 8 9 11 10 9 8 5 3 2