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Monthly climate in Fort Frances, Ontario, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Fort Frances features a humid continental climate (Dfb). Temperatures typically range between -14 °C (8 °F) and 21 °C (70 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 716 mm (28.2 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Fort Frances enjoys an average of 2823 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Fort Frances, Ontario, Canada §

The warmest months in Fort Frances are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -10 °C (8 - 15 °F) throughout the day. On average each year, Fort Frances experiences 50 days above 25 °C (77.0 °F) and 169 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort Frances, Ontario, 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 5°C
(40°F)		 12°C
(53°F)		 18°C
(64°F)		 25°C
(77°F)		 32°C
(91°F)		 38°C
(100°F)		 35°C
(95°F)		 35°C
(95°F)		 30°C
(86°F)		 27°C
(81°F)		 22°C
(72°F)		 7°C
(45°F)
Mean maximum 2°C
(36°F)		 6°C
(42°F)		 12°C
(55°F)		 20°C
(67°F)		 28°C
(82°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(89°F)		 29°C
(85°F)		 23°C
(74°F)		 11°C
(52°F)		 6°C
(42°F)
Average high -8°C
(17°F)		 -8°C
(18°F)		 2°C
(37°F)		 9°C
(48°F)		 18°C
(65°F)		 24°C
(76°F)		 27°C
(80°F)		 25°C
(77°F)		 19°C
(67°F)		 10°C
(50°F)		 0°C
(32°F)		 -5°C
(22°F)
Daily mean -13°C
(8°F)		 -14°C
(8°F)		 -3°C
(26°F)		 3°C
(38°F)		 12°C
(54°F)		 18°C
(65°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(57°F)		 6°C
(43°F)		 -3°C
(26°F)		 -10°C
(15°F)
Average low -18°C
(-1°F)		 -19°C
(-3°F)		 -9°C
(16°F)		 -2°C
(28°F)		 6°C
(43°F)		 12°C
(55°F)		 15°C
(59°F)		 13°C
(56°F)		 9°C
(49°F)		 2°C
(36°F)		 -7°C
(20°F)		 -14°C
(7°F)
Mean minimum -35°C
(-30°F)		 -34°C
(-29°F)		 -24°C
(-11°F)		 -12°C
(10°F)		 -2°C
(28°F)		 6°C
(42°F)		 9°C
(48°F)		 7°C
(45°F)		 1°C
(34°F)		 -6°C
(22°F)		 -16°C
(3°F)		 -30°C
(-22°F)
Minimum -37°C
(-35°F)		 -41°C
(-42°F)		 -29°C
(-21°F)		 -15°C
(5°F)		 -4°C
(25°F)		 2°C
(36°F)		 8°C
(47°F)		 5°C
(40°F)		 -3°C
(27°F)		 -9°C
(15°F)		 -21°C
(-5°F)		 -38°C
(-35°F)

Compare climate in Fort Frances with other places

Compare temperature, precipitation, sunshine, UV index in Fort Frances, Ontario, Canada with other places around the world.

Monthly average precipitation in Fort Frances, Ontario, Canada §

Fort Frances usually has the most precipitation in June, September and October, with an average of 12 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Fort Frances are January, February and March. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort Frances, Ontario, 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) 24 (0.9) 27 (1.1) 26 (1.0) 49 (1.9) 49 (1.9) 84 (3.3) 75 (3.0) 70 (2.7) 138 (5.4) 93 (3.6) 38 (1.5) 43 (1.7)
Average precipitation days (≥ 1 mm) 6 6 5 8 9 11 9 10 14 11 9 9

Monthly sunshine hours in Fort Frances, Ontario, Canada §

The sunniest months in Fort Frances are June, July and August, when the sun shines an average of 11 hours 11 minutes a day. Least sunny months in Fort Frances: January, November and December receive an average of 4 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort Frances, Ontario, 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 115 188 250 265 304 353 357 318 235 172 128 131
Mean daily daylight hours 8h 47m 10h 12m 11h 56m 13h 44m 15h 16m 16h 3m 15h 37m 14h 14m 12h 30m 10h 44m 9h 9m 8h 20m

Solar UV radiation in Fort Frances, Ontario, Canada §

Fort Frances experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Fort Frances UV Index data.

Average daily maximum UV levels by month for Fort Frances, Ontario, 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) 2 3 5 7 8 9 9 8 7 4 2 1

Detailed Monthly Weather Insights for Fort Frances, Ontario, Canada

Discover in-depth weather details for every month in Fort Frances. 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 Fort Frances'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.