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Monthly climate in East Gwillimbury, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification East Gwillimbury features a humid continental climate (Dfb).Temperatures typically range between -6 °C (22 °F) and 22 °C (72 °F) through the year, but rarely can drop to -29 °C (-21 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 975 mm (38.4 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.East Gwillimbury enjoys an average of 2787 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in East Gwillimbury, Ontario, Canada §

The warmest months in East Gwillimbury are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 72 °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 - 28 °F) throughout the day. On average each year, East Gwillimbury experiences 56 days above 25 °C (77.0 °F) and 136 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in East Gwillimbury, 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
(53°F)		 16°C
(60°F)		 21°C
(69°F)		 25°C
(77°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(96°F)		 33°C
(92°F)		 33°C
(91°F)		 30°C
(86°F)		 23°C
(73°F)		 16°C
(62°F)
Mean maximum 8°C
(46°F)		 11°C
(52°F)		 17°C
(63°F)		 21°C
(69°F)		 30°C
(87°F)		 32°C
(91°F)		 33°C
(92°F)		 31°C
(89°F)		 30°C
(86°F)		 26°C
(80°F)		 16°C
(62°F)		 11°C
(52°F)
Average high -2°C
(29°F)		 -0°C
(32°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 22°C
(72°F)		 15°C
(58°F)		 6°C
(43°F)		 1°C
(34°F)
Daily mean -6°C
(22°F)		 -5°C
(23°F)		 -0°C
(32°F)		 6°C
(42°F)		 13°C
(56°F)		 19°C
(66°F)		 22°C
(72°F)		 21°C
(69°F)		 16°C
(62°F)		 10°C
(50°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -10°C
(14°F)		 -10°C
(14°F)		 -5°C
(23°F)		 1°C
(34°F)		 8°C
(46°F)		 13°C
(56°F)		 16°C
(62°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)		 -2°C
(29°F)		 -6°C
(22°F)
Mean minimum -23°C
(-10°F)		 -22°C
(-7°F)		 -17°C
(1°F)		 -5°C
(22°F)		 -0°C
(32°F)		 7°C
(45°F)		 11°C
(52°F)		 9°C
(49°F)		 4°C
(40°F)		 -3°C
(28°F)		 -14°C
(8°F)		 -17°C
(1°F)
Minimum -29°C
(-21°F)		 -28°C
(-17°F)		 -24°C
(-10°F)		 -8°C
(18°F)		 -3°C
(27°F)		 3°C
(38°F)		 10°C
(50°F)		 7°C
(44°F)		 1°C
(35°F)		 -4°C
(25°F)		 -21°C
(-5°F)		 -28°C
(-18°F)

Compare climate in East Gwillimbury with other places

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

Monthly average precipitation in East Gwillimbury, Ontario, Canada §

East Gwillimbury usually has the most precipitation in April, May and October, with an average of 13 rainy days and 100 mm (4.0 inches) of precipitation per month.The driest months in East Gwillimbury are January, February and March. On average, 60 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in East Gwillimbury, 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) 60 (2.4) 61 (2.4) 60 (2.4) 103 (4.1) 99 (3.9) 94 (3.7) 98 (3.9) 97 (3.8) 64 (2.5) 100 (3.9) 74 (2.9) 67 (2.6)
Average precipitation days (≥ 1 mm) 8 11 10 13 13 11 12 13 9 13 11 13

Monthly sunshine hours in East Gwillimbury, Ontario, Canada §

The sunniest months in East Gwillimbury are June, July and August, when the sun shines an average of 11 hours 5 minutes a day.Least sunny months in East Gwillimbury: January, November and December receive an average of 4 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in East Gwillimbury, 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 107 154 225 230 289 331 348 340 300 196 148 113
Mean daily daylight hours 9h 18m 10h 28m 11h 57m 13h 28m 14h 46m 15h 24m 15h 3m 13h 54m 12h 27m 10h 56m 9h 36m 8h 56m

Solar UV radiation in East Gwillimbury, Ontario, Canada §

East Gwillimbury 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 East Gwillimbury UV Index data.

Average daily maximum UV levels by month for East Gwillimbury, 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