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Monthly climate in Hanover, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hanover features a humid continental climate (Dfb).Temperatures typically range between -6 °C (22 °F) and 21 °C (69 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1174 mm (46.2 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually.Hanover enjoys an average of 2625 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Hanover, Ontario, Canada §

The warmest months in Hanover are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (22 - 29 °F) throughout the day. On average each year, Hanover experiences 50 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hanover, 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 12°C
(54°F)		 17°C
(63°F)		 21°C
(70°F)		 27°C
(82°F)		 33°C
(91°F)		 32°C
(91°F)		 34°C
(93°F)		 32°C
(89°F)		 32°C
(89°F)		 28°C
(83°F)		 24°C
(76°F)		 17°C
(63°F)
Mean maximum 7°C
(45°F)		 11°C
(52°F)		 17°C
(62°F)		 24°C
(75°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 30°C
(86°F)		 29°C
(85°F)		 26°C
(79°F)		 16°C
(60°F)		 11°C
(53°F)
Average high -2°C
(28°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(52°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(78°F)		 25°C
(77°F)		 21°C
(70°F)		 14°C
(58°F)		 5°C
(42°F)		 1°C
(34°F)
Daily mean -6°C
(22°F)		 -5°C
(23°F)		 -1°C
(31°F)		 5°C
(42°F)		 13°C
(55°F)		 18°C
(65°F)		 21°C
(69°F)		 19°C
(67°F)		 16°C
(60°F)		 10°C
(50°F)		 2°C
(36°F)		 -2°C
(29°F)
Average low -9°C
(15°F)		 -9°C
(15°F)		 -5°C
(23°F)		 1°C
(34°F)		 7°C
(45°F)		 12°C
(54°F)		 15°C
(60°F)		 14°C
(58°F)		 11°C
(51°F)		 6°C
(42°F)		 -1°C
(30°F)		 -5°C
(23°F)
Mean minimum -21°C
(-6°F)		 -21°C
(-5°F)		 -18°C
(1°F)		 -6°C
(21°F)		 -2°C
(29°F)		 7°C
(45°F)		 9°C
(49°F)		 8°C
(46°F)		 3°C
(37°F)		 -2°C
(29°F)		 -13°C
(8°F)		 -16°C
(4°F)
Minimum -28°C
(-17°F)		 -25°C
(-13°F)		 -22°C
(-8°F)		 -10°C
(13°F)		 -4°C
(25°F)		 3°C
(37°F)		 7°C
(45°F)		 3°C
(39°F)		 -1°C
(30°F)		 -3°C
(26°F)		 -18°C
(-1°F)		 -26°C
(-15°F)

Compare climate in Hanover with other places

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

Monthly average precipitation in Hanover, Ontario, Canada §

Hanover usually has the most precipitation in June, July and August, with an average of 12 rainy days and 116 mm (4.6 inches) of precipitation per month.The driest months in Hanover are January, February and March. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hanover, 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) 73 (2.9) 83 (3.3) 71 (2.8) 112 (4.4) 101 (4.0) 113 (4.5) 113 (4.5) 122 (4.8) 99 (3.9) 106 (4.2) 97 (3.8) 84 (3.3)
Average precipitation days (≥ 1 mm) 14 15 13 14 11 10 13 15 12 15 16 17

Monthly sunshine hours in Hanover, Ontario, Canada §

The sunniest months in Hanover are June, July and August, when the sun shines an average of 10 hours 57 minutes a day.Least sunny months in Hanover: January, February and December receive an average of 2 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hanover, 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 64 119 221 235 293 326 353 328 286 192 120 82
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 25m 15h 4m 13h 55m 12h 27m 10h 56m 9h 36m 8h 54m

Solar UV radiation in Hanover, Ontario, Canada §

Hanover experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 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 Hanover UV Index data.

Average daily maximum UV levels by month for Hanover, 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 4 5 8 9 10 9 9 7 5 3 2