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Monthly climate in Big Timber, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Big Timber features a humid continental climate (Dfb).Temperatures typically range between -8 °C (18 °F) and 19 °C (67 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 676 mm (26.6 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually.Big Timber enjoys an average of 3169 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Big Timber, Montana, United States §

The warmest months in Big Timber 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 -8 to -5 °C (18 - 24 °F) throughout the day. On average each year, Big Timber experiences 49 days above 25 °C (77.0 °F) and 172 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Big Timber, 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 8°C
(47°F)		 11°C
(51°F)		 19°C
(66°F)		 22°C
(73°F)		 26°C
(80°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(94°F)		 26°C
(79°F)		 19°C
(67°F)		 15°C
(60°F)
Mean maximum 6°C
(42°F)		 9°C
(48°F)		 14°C
(57°F)		 21°C
(70°F)		 24°C
(76°F)		 27°C
(81°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(88°F)		 22°C
(72°F)		 14°C
(58°F)		 9°C
(48°F)
Average high -1°C
(30°F)		 -3°C
(26°F)		 4°C
(40°F)		 8°C
(47°F)		 15°C
(59°F)		 21°C
(71°F)		 27°C
(81°F)		 26°C
(79°F)		 20°C
(69°F)		 10°C
(51°F)		 4°C
(39°F)		 -1°C
(31°F)
Daily mean -5°C
(23°F)		 -8°C
(18°F)		 -1°C
(31°F)		 3°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 19°C
(67°F)		 18°C
(65°F)		 13°C
(56°F)		 4°C
(40°F)		 -1°C
(31°F)		 -5°C
(24°F)
Average low -9°C
(16°F)		 -12°C
(10°F)		 -6°C
(22°F)		 -3°C
(27°F)		 3°C
(38°F)		 8°C
(47°F)		 11°C
(53°F)		 11°C
(51°F)		 6°C
(43°F)		 -1°C
(30°F)		 -5°C
(23°F)		 -9°C
(17°F)
Mean minimum -24°C
(-11°F)		 -28°C
(-18°F)		 -18°C
(0°F)		 -13°C
(9°F)		 -4°C
(26°F)		 2°C
(36°F)		 5°C
(42°F)		 5°C
(42°F)		 -3°C
(27°F)		 -12°C
(10°F)		 -15°C
(5°F)		 -19°C
(-3°F)
Minimum -29°C
(-20°F)		 -32°C
(-26°F)		 -30°C
(-23°F)		 -20°C
(-4°F)		 -7°C
(19°F)		 1°C
(35°F)		 2°C
(35°F)		 3°C
(38°F)		 -5°C
(22°F)		 -21°C
(-5°F)		 -19°C
(-2°F)		 -26°C
(-14°F)

Compare climate in Big Timber with other places

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

Monthly average precipitation in Big Timber, Montana, United States §

Big Timber usually has the most precipitation in April, May and June, with an average of 15 rainy days and 90 mm (3.6 inches) of precipitation per month.The driest months in Big Timber are January, July and December. On average, 32 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Big Timber, 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) 24 (0.9) 60 (2.4) 49 (1.9) 78 (3.1) 112 (4.4) 81 (3.2) 35 (1.4) 39 (1.5) 59 (2.3) 60 (2.4) 41 (1.6) 37 (1.5)
Average precipitation days (≥ 1 mm) 7 13 10 15 17 13 8 7 8 10 9 9

Monthly sunshine hours in Big Timber, Montana, United States §

The sunniest months in Big Timber are June, July and August, when the sun shines an average of 11 hours 50 minutes a day.Least sunny months in Big Timber: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Big Timber, 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 153 185 265 263 308 359 388 341 276 240 197 188
Mean daily daylight hours 9h 7m 10h 22m 11h 57m 13h 34m 14h 57m 15h 39m 15h 16m 14h 1m 12h 28m 10h 51m 9h 26m 8h 42m

Solar UV radiation in Big Timber, Montana, United States §

Big Timber experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 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 Big Timber UV Index data.

Average daily maximum UV levels by month for Big Timber, 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 5 7 9 10 11 10 10 8 6 3 2