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Monthly climate in Nahanni Butte, Northwest Territories, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Nahanni Butte features a subarctic climate (Dfc). Temperatures typically range between -20 °C (-4 °F) and 16 °C (62 °F) through the year, but rarely can drop to -44 °C (-48 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 553 mm (21.8 inches) and receives 100 rainy days on the 1 mm (0.04 inches) threshold annually. Nahanni Butte enjoys an average of 2587 hours of sunshine throughout the year, and daylight varies from 5 hours 39 minutes to 19 hours 6 minutes per day.

Monthly average temperatures in Nahanni Butte, Northwest Territories, Canada §

The warmest months in Nahanni Butte are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -20 °C (-4 - -3 °F) throughout the day. On average each year, Nahanni Butte experiences 14 days above 25 °C (77.0 °F) and 200 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nahanni Butte, Northwest Territories, Canada. 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)		 6°C
(43°F)		 14°C
(58°F)		 19°C
(67°F)		 31°C
(87°F)		 35°C
(96°F)		 32°C
(89°F)		 33°C
(91°F)		 28°C
(83°F)		 18°C
(65°F)		 5°C
(41°F)		 3°C
(37°F)
Mean maximum -3°C
(27°F)		 -0°C
(32°F)		 8°C
(47°F)		 15°C
(60°F)		 24°C
(76°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 22°C
(73°F)		 15°C
(59°F)		 1°C
(34°F)		 -5°C
(24°F)
Average high -17°C
(1°F)		 -14°C
(6°F)		 -5°C
(22°F)		 4°C
(40°F)		 15°C
(59°F)		 19°C
(67°F)		 22°C
(71°F)		 20°C
(68°F)		 14°C
(58°F)		 4°C
(39°F)		 -11°C
(13°F)		 -17°C
(2°F)
Daily mean -20°C
(-4°F)		 -20°C
(-3°F)		 -12°C
(10°F)		 -2°C
(29°F)		 9°C
(49°F)		 14°C
(58°F)		 16°C
(62°F)		 14°C
(58°F)		 8°C
(47°F)		 -0°C
(32°F)		 -14°C
(7°F)		 -20°C
(-3°F)
Average low -24°C
(-10°F)		 -24°C
(-11°F)		 -18°C
(-1°F)		 -8°C
(18°F)		 3°C
(37°F)		 9°C
(48°F)		 10°C
(51°F)		 8°C
(48°F)		 3°C
(37°F)		 -4°C
(25°F)		 -18°C
(-0°F)		 -23°C
(-9°F)
Mean minimum -39°C
(-38°F)		 -37°C
(-34°F)		 -31°C
(-24°F)		 -21°C
(-6°F)		 -4°C
(25°F)		 4°C
(39°F)		 5°C
(42°F)		 2°C
(36°F)		 -4°C
(25°F)		 -11°C
(12°F)		 -28°C
(-18°F)		 -35°C
(-31°F)
Minimum -43°C
(-45°F)		 -40°C
(-39°F)		 -37°C
(-34°F)		 -26°C
(-15°F)		 -7°C
(20°F)		 2°C
(37°F)		 4°C
(39°F)		 -1°C
(31°F)		 -9°C
(17°F)		 -18°C
(0°F)		 -32°C
(-26°F)		 -44°C
(-48°F)

Compare climate in Nahanni Butte with other places

Compare temperature, precipitation, sunshine, UV index in Nahanni Butte, Northwest Territories, Canada with other places around the world.

Monthly average precipitation in Nahanni Butte, Northwest Territories, Canada §

Nahanni Butte usually has the most precipitation in June, July and August, with an average of 12 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Nahanni Butte are February, April and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nahanni Butte, Northwest Territories, Canada. 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) 23 (0.9) 19 (0.8) 25 (1.0) 19 (0.7) 37 (1.5) 113 (4.5) 84 (3.3) 109 (4.3) 35 (1.4) 36 (1.4) 36 (1.4) 17 (0.7)
Average precipitation days (≥ 1 mm) 7 5 6 6 8 13 12 11 9 8 10 5

Monthly sunshine hours in Nahanni Butte, Northwest Territories, Canada §

The sunniest months in Nahanni Butte are April, May and July, when the sun shines an average of 10 hours 36 minutes a day. Least sunny months in Nahanni Butte: January, November and December receive an average of 2 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nahanni Butte, Northwest Territories, Canada. 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 67 140 226 293 340 290 341 277 246 168 105 88
Mean daily daylight hours 6h 33m 9h 3m 11h 53m 14h 47m 17h 30m 19h 6m 18h 10m 15h 37m 12h 47m 9h 56m 7h 13m 5h 39m

Solar UV radiation in Nahanni Butte, Northwest Territories, Canada §

Nahanni Butte experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 6 - 6, which corresponds to the High category of sun exposure. January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Nahanni Butte UV Index data.

Average daily maximum UV levels by month for Nahanni Butte, Northwest Territories, Canada. 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) 1 1 3 4 6 6 6 6 4 2 1 1

Detailed Monthly Weather Insights for Nahanni Butte, Northwest Territories, Canada

Discover in-depth weather details for every month in Nahanni Butte. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Nahanni Butte's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.