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Monthly climate in Seeley Lake, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seeley Lake features a humid continental climate (Dfb).Temperatures typically range between -8 °C (18 °F) and 18 °C (64 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 928 mm (36.6 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually.Seeley Lake enjoys an average of 3089 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Seeley Lake, Montana, United States §

The warmest months in Seeley Lake 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 -8 to -6 °C (18 - 21 °F) throughout the day. On average each year, Seeley Lake experiences 35 days above 25 °C (77.0 °F) and 196 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Seeley Lake, 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 3°C
(37°F)		 8°C
(46°F)		 12°C
(54°F)		 20°C
(67°F)		 26°C
(79°F)		 33°C
(92°F)		 33°C
(92°F)		 35°C
(96°F)		 30°C
(86°F)		 23°C
(74°F)		 10°C
(51°F)		 9°C
(48°F)
Mean maximum 2°C
(37°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(60°F)		 22°C
(72°F)		 25°C
(77°F)		 31°C
(89°F)		 32°C
(90°F)		 28°C
(83°F)		 19°C
(66°F)		 8°C
(47°F)		 4°C
(39°F)
Average high -3°C
(26°F)		 -4°C
(25°F)		 3°C
(37°F)		 6°C
(43°F)		 12°C
(55°F)		 19°C
(66°F)		 26°C
(78°F)		 24°C
(76°F)		 18°C
(64°F)		 8°C
(47°F)		 1°C
(34°F)		 -3°C
(27°F)
Daily mean -7°C
(20°F)		 -8°C
(18°F)		 -2°C
(29°F)		 1°C
(34°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(64°F)		 17°C
(63°F)		 11°C
(53°F)		 2°C
(37°F)		 -3°C
(27°F)		 -6°C
(21°F)
Average low -10°C
(15°F)		 -12°C
(11°F)		 -6°C
(21°F)		 -3°C
(26°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(49°F)		 9°C
(48°F)		 5°C
(42°F)		 -3°C
(27°F)		 -7°C
(20°F)		 -10°C
(15°F)
Mean minimum -21°C
(-5°F)		 -26°C
(-14°F)		 -17°C
(1°F)		 -11°C
(12°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(38°F)		 3°C
(38°F)		 -3°C
(27°F)		 -14°C
(8°F)		 -17°C
(2°F)		 -21°C
(-5°F)
Minimum -26°C
(-15°F)		 -33°C
(-27°F)		 -28°C
(-17°F)		 -16°C
(3°F)		 -10°C
(15°F)		 -2°C
(28°F)		 -0°C
(32°F)		 2°C
(35°F)		 -6°C
(22°F)		 -26°C
(-14°F)		 -25°C
(-12°F)		 -24°C
(-10°F)

Compare climate in Seeley Lake with other places

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

Monthly average precipitation in Seeley Lake, Montana, United States §

Seeley Lake usually has the most precipitation in February, October and December, with an average of 16 rainy days and 107 mm (4.2 inches) of precipitation per month.The driest months in Seeley Lake are July, August and September. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seeley Lake, 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) 70 (2.7) 125 (4.9) 78 (3.1) 95 (3.7) 82 (3.2) 88 (3.5) 23 (0.9) 30 (1.2) 50 (2.0) 96 (3.8) 94 (3.7) 98 (3.9)
Average precipitation days (≥ 1 mm) 13 19 17 18 15 14 6 6 8 13 16 17

Monthly sunshine hours in Seeley Lake, Montana, United States §

The sunniest months in Seeley Lake are June, July and August, when the sun shines an average of 12 hours 4 minutes a day.Least sunny months in Seeley Lake: January, February and December receive an average of 4 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seeley Lake, 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 128 162 254 276 317 352 406 352 279 231 171 155
Mean daily daylight hours 8h 58m 10h 17m 11h 57m 13h 39m 15h 6m 15h 50m 15h 25m 14h 7m 12h 29m 10h 48m 9h 18m 8h 32m

Solar UV radiation in Seeley Lake, Montana, United States §

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

Average daily maximum UV levels by month for Seeley Lake, 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 8 10 10 10 9 8 5 3 2