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Monthly climate in Gardiner, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gardiner features a humid continental climate (Dfb).Temperatures typically range between -10 °C (15 °F) and 15 °C (60 °F) through the year, but rarely can drop to -36 °C (-32 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 769 mm (30.3 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually.Gardiner enjoys an average of 3164 hours of sunshine throughout the year, and daylight varies from 8 hours 48 minutes to 15 hours 32 minutes per day.

Monthly average temperatures in Gardiner, Montana, United States §

The warmest months in Gardiner are June, July and August, with daily mean temperatures ranging from 10 to 15 °C (50 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -9 °C (15 - 16 °F) throughout the day. On average each year, Gardiner experiences 17 days above 25 °C (77.0 °F) and 229 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gardiner, 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 2°C
(36°F)		 5°C
(41°F)		 11°C
(52°F)		 14°C
(58°F)		 21°C
(70°F)		 27°C
(81°F)		 29°C
(85°F)		 30°C
(86°F)		 28°C
(82°F)		 19°C
(67°F)		 11°C
(51°F)		 6°C
(43°F)
Mean maximum 0°C
(32°F)		 2°C
(36°F)		 8°C
(47°F)		 12°C
(54°F)		 16°C
(62°F)		 21°C
(70°F)		 27°C
(82°F)		 28°C
(82°F)		 26°C
(78°F)		 15°C
(59°F)		 7°C
(45°F)		 2°C
(36°F)
Average high -6°C
(22°F)		 -5°C
(23°F)		 1°C
(34°F)		 4°C
(39°F)		 9°C
(48°F)		 17°C
(63°F)		 23°C
(74°F)		 22°C
(72°F)		 16°C
(62°F)		 6°C
(42°F)		 -1°C
(31°F)		 -6°C
(22°F)
Daily mean -10°C
(15°F)		 -9°C
(16°F)		 -4°C
(25°F)		 -1°C
(30°F)		 3°C
(38°F)		 10°C
(50°F)		 15°C
(60°F)		 14°C
(57°F)		 9°C
(48°F)		 -1°C
(30°F)		 -6°C
(21°F)		 -10°C
(15°F)
Average low -13°C
(8°F)		 -13°C
(8°F)		 -8°C
(17°F)		 -6°C
(21°F)		 -2°C
(28°F)		 3°C
(37°F)		 7°C
(44°F)		 6°C
(43°F)		 1°C
(35°F)		 -7°C
(19°F)		 -12°C
(11°F)		 -14°C
(7°F)
Mean minimum -25°C
(-13°F)		 -24°C
(-11°F)		 -19°C
(-2°F)		 -16°C
(4°F)		 -8°C
(17°F)		 -4°C
(26°F)		 1°C
(34°F)		 1°C
(34°F)		 -6°C
(21°F)		 -22°C
(-8°F)		 -23°C
(-10°F)		 -25°C
(-12°F)
Minimum -30°C
(-21°F)		 -30°C
(-22°F)		 -28°C
(-19°F)		 -19°C
(-2°F)		 -11°C
(13°F)		 -8°C
(19°F)		 -1°C
(30°F)		 -1°C
(30°F)		 -11°C
(13°F)		 -36°C
(-32°F)		 -26°C
(-15°F)		 -29°C
(-20°F)

Compare climate in Gardiner with other places

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

Monthly average precipitation in Gardiner, Montana, United States §

Gardiner usually has the most precipitation in February, April and June, with an average of 17 rainy days and 87 mm (3.4 inches) of precipitation per month.The driest months in Gardiner are January, July and August. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gardiner, 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) 47 (1.9) 90 (3.5) 64 (2.5) 83 (3.3) 70 (2.8) 88 (3.5) 38 (1.5) 46 (1.8) 58 (2.3) 68 (2.7) 62 (2.5) 53 (2.1)
Average precipitation days (≥ 1 mm) 12 18 14 17 16 16 10 10 8 12 14 14

Monthly sunshine hours in Gardiner, Montana, United States §

The sunniest months in Gardiner are June, July and August, when the sun shines an average of 11 hours 56 minutes a day.Least sunny months in Gardiner: January, February and December receive an average of 5 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gardiner, 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 140 172 266 270 319 358 390 348 283 243 192 176
Mean daily daylight hours 9h 12m 10h 25m 11h 57m 13h 32m 14h 52m 15h 32m 15h 10m 13h 58m 12h 27m 10h 53m 9h 31m 8h 48m

Solar UV radiation in Gardiner, Montana, United States §

Gardiner experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme 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 4. For more detailed information, check out our hourly Gardiner UV Index data.

Average daily maximum UV levels by month for Gardiner, 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 7 9 11 12 11 10 8 6 4 2