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Monthly climate in Attawapiskat, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Attawapiskat features a subarctic climate (Dfc).Temperatures typically range between -19 °C (-2 °F) and 16 °C (62 °F) through the year, but rarely can drop to -42 °C (-43 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 654 mm (25.8 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually.Attawapiskat enjoys an average of 2504 hours of sunshine throughout the year, and daylight varies from 7 hours 39 minutes to 16 hours 48 minutes per day.

Monthly average temperatures in Attawapiskat, Ontario, Canada §

The warmest months in Attawapiskat are June, July and August, with daily mean temperatures ranging from 11 to 16 °C (51 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-2 - 4 °F) throughout the day. On average each year, Attawapiskat experiences 17 days above 25 °C (77.0 °F) and 202 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Attawapiskat, 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 3°C
(38°F)		 4°C
(40°F)		 11°C
(53°F)		 14°C
(58°F)		 31°C
(88°F)		 34°C
(93°F)		 34°C
(94°F)		 31°C
(88°F)		 28°C
(83°F)		 23°C
(74°F)		 10°C
(51°F)		 4°C
(40°F)
Mean maximum -1°C
(31°F)		 -1°C
(30°F)		 7°C
(45°F)		 12°C
(54°F)		 26°C
(79°F)		 28°C
(82°F)		 31°C
(88°F)		 29°C
(85°F)		 25°C
(77°F)		 17°C
(63°F)		 5°C
(41°F)		 1°C
(35°F)
Average high -15°C
(5°F)		 -14°C
(7°F)		 -6°C
(21°F)		 1°C
(34°F)		 10°C
(51°F)		 16°C
(62°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(58°F)		 7°C
(45°F)		 -4°C
(26°F)		 -12°C
(11°F)
Daily mean -19°C
(-2°F)		 -19°C
(-2°F)		 -12°C
(10°F)		 -4°C
(24°F)		 4°C
(40°F)		 11°C
(51°F)		 16°C
(62°F)		 15°C
(59°F)		 10°C
(51°F)		 4°C
(39°F)		 -7°C
(20°F)		 -16°C
(4°F)
Average low -23°C
(-9°F)		 -24°C
(-11°F)		 -18°C
(0°F)		 -10°C
(15°F)		 -1°C
(30°F)		 5°C
(41°F)		 10°C
(51°F)		 10°C
(50°F)		 7°C
(44°F)		 1°C
(33°F)		 -10°C
(14°F)		 -19°C
(-3°F)
Mean minimum -33°C
(-28°F)		 -35°C
(-30°F)		 -29°C
(-21°F)		 -21°C
(-5°F)		 -12°C
(11°F)		 -0°C
(32°F)		 3°C
(38°F)		 4°C
(39°F)		 -0°C
(32°F)		 -7°C
(20°F)		 -23°C
(-9°F)		 -34°C
(-29°F)
Minimum -39°C
(-39°F)		 -37°C
(-34°F)		 -33°C
(-27°F)		 -27°C
(-16°F)		 -17°C
(2°F)		 -2°C
(28°F)		 2°C
(36°F)		 3°C
(37°F)		 -3°C
(26°F)		 -12°C
(10°F)		 -27°C
(-17°F)		 -42°C
(-43°F)

Compare climate in Attawapiskat with other places

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

Monthly average precipitation in Attawapiskat, Ontario, Canada §

Attawapiskat usually has the most precipitation in July, August and September, with an average of 12 rainy days and 93 mm (3.7 inches) of precipitation per month.The driest months in Attawapiskat 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 Attawapiskat, 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) 22 (0.9) 24 (0.9) 32 (1.3) 36 (1.4) 52 (2.0) 65 (2.5) 95 (3.7) 80 (3.2) 104 (4.1) 58 (2.3) 53 (2.1) 33 (1.3)
Average precipitation days (≥ 1 mm) 6 6 6 7 11 11 13 11 13 9 12 8

Monthly sunshine hours in Attawapiskat, Ontario, Canada §

The sunniest months in Attawapiskat are May, June and July, when the sun shines an average of 9 hours 47 minutes a day.Least sunny months in Attawapiskat: January, November and December receive an average of 3 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Attawapiskat, 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 100 171 237 260 290 288 322 273 193 158 98 109
Mean daily daylight hours 8h 12m 9h 52m 11h 55m 14h 1m 15h 51m 16h 48m 16h 16m 14h 37m 12h 35m 10h 31m 8h 38m 7h 39m

Solar UV radiation in Attawapiskat, Ontario, Canada §

Attawapiskat experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February 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 Attawapiskat UV Index data.

Average daily maximum UV levels by month for Attawapiskat, 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) 1 2 4 7 8 8 7 6 5 3 2 1