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Monthly climate in Niagara-on-the-Lake, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Niagara-on-the-Lake features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 23 °C (73 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1113 mm (43.8 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Niagara-on-the-Lake enjoys an average of 2838 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Niagara-on-the-Lake, Ontario, Canada §

The warmest months in Niagara-on-the-Lake are July, August and September, with daily mean temperatures ranging from 19 to 23 °C (66 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 35 °F) throughout the day. On average each year, Niagara-on-the-Lake experiences 30 days above 25 °C (77.0 °F) and 79 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Niagara-on-the-Lake, 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 13°C
(55°F)		 14°C
(58°F)		 15°C
(60°F)		 17°C
(63°F)		 23°C
(74°F)		 27°C
(80°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 25°C
(78°F)		 19°C
(66°F)		 15°C
(60°F)
Mean maximum 10°C
(49°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(61°F)		 22°C
(71°F)		 25°C
(77°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(80°F)		 23°C
(74°F)		 16°C
(61°F)		 11°C
(53°F)
Average high 1°C
(33°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(48°F)		 14°C
(57°F)		 20°C
(69°F)		 25°C
(77°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(60°F)		 8°C
(47°F)		 3°C
(38°F)
Daily mean -2°C
(29°F)		 -1°C
(30°F)		 2°C
(35°F)		 6°C
(43°F)		 11°C
(53°F)		 18°C
(64°F)		 23°C
(73°F)		 22°C
(73°F)		 19°C
(66°F)		 13°C
(56°F)		 6°C
(42°F)		 1°C
(35°F)
Average low -4°C
(25°F)		 -4°C
(25°F)		 -1°C
(31°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(60°F)		 20°C
(69°F)		 20°C
(69°F)		 17°C
(62°F)		 11°C
(52°F)		 3°C
(38°F)		 -1°C
(31°F)
Mean minimum -13°C
(8°F)		 -13°C
(10°F)		 -9°C
(16°F)		 -1°C
(30°F)		 3°C
(39°F)		 11°C
(52°F)		 17°C
(63°F)		 16°C
(62°F)		 12°C
(54°F)		 5°C
(41°F)		 -5°C
(24°F)		 -8°C
(18°F)
Minimum -18°C
(0°F)		 -18°C
(-1°F)		 -12°C
(11°F)		 -3°C
(28°F)		 1°C
(33°F)		 8°C
(47°F)		 16°C
(62°F)		 15°C
(59°F)		 9°C
(48°F)		 3°C
(38°F)		 -8°C
(18°F)		 -16°C
(4°F)

Compare climate in Niagara-on-the-Lake with other places

Compare temperature, precipitation, sunshine, UV index in Niagara-on-the-Lake, Ontario, Canada with other places around the world.

Monthly average precipitation in Niagara-on-the-Lake, Ontario, Canada §

Niagara-on-the-Lake usually has the most precipitation in April, July and October, with an average of 14 rainy days and 120 mm (4.7 inches) of precipitation per month.The driest months in Niagara-on-the-Lake are January, March and September. On average, 74 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Niagara-on-the-Lake, 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) 78 (3.1) 87 (3.4) 71 (2.8) 118 (4.6) 99 (3.9) 81 (3.2) 115 (4.5) 85 (3.3) 73 (2.9) 128 (5.0) 89 (3.5) 90 (3.5)
Average precipitation days (≥ 1 mm) 12 14 11 13 13 10 13 12 9 16 12 15

Monthly sunshine hours in Niagara-on-the-Lake, Ontario, Canada §

The sunniest months in Niagara-on-the-Lake are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Niagara-on-the-Lake: January, February and December receive an average of 4 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Niagara-on-the-Lake, 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 107 150 231 240 291 340 348 344 303 206 157 115
Mean daily daylight hours 9h 22m 10h 31m 11h 57m 13h 26m 14h 41m 15h 19m 14h 58m 13h 51m 12h 26m 10h 58m 9h 40m 9h 1m

Solar UV radiation in Niagara-on-the-Lake, Ontario, Canada §

Niagara-on-the-Lake 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 Niagara-on-the-Lake UV Index data.

Average daily maximum UV levels by month for Niagara-on-the-Lake, 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