nomadseason

Monthly climate in Windsor, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Windsor features a humid continental climate (Dfb). Temperatures typically range between -8 °C (17 °F) and 20 °C (68 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1257 mm (49.5 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually. Windsor enjoys an average of 2688 hours of sunshine throughout the year, and daylight varies from 8 hours 46 minutes to 15 hours 35 minutes per day.

Monthly average temperatures in Windsor, Canada

The warmest months in Windsor are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (63 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (17 - 23 °F) throughout the day. On average each year, Windsor experiences 39 days above 25 °C (77.0 °F) and 141 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Windsor. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(53°F)		14°C
(57°F)		21°C
(71°F)		25°C
(78°F)		34°C
(93°F)		31°C
(89°F)		33°C
(91°F)		32°C
(89°F)		30°C
(87°F)		25°C
(77°F)		23°C
(73°F)		15°C
(60°F)
Mean maximum7°C
(44°F)		8°C
(47°F)		14°C
(57°F)		21°C
(70°F)		29°C
(85°F)		29°C
(84°F)		30°C
(86°F)		30°C
(86°F)		27°C
(81°F)		23°C
(73°F)		16°C
(61°F)		10°C
(51°F)
Average high-4°C
(25°F)		-2°C
(28°F)		2°C
(36°F)		10°C
(50°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		24°C
(76°F)		20°C
(68°F)		13°C
(56°F)		4°C
(40°F)		-2°C
(30°F)
Daily mean-8°C
(17°F)		-7°C
(20°F)		-2°C
(28°F)		5°C
(42°F)		12°C
(55°F)		17°C
(63°F)		20°C
(68°F)		19°C
(67°F)		15°C
(59°F)		9°C
(48°F)		1°C
(33°F)		-5°C
(23°F)
Average low-13°C
(9°F)		-12°C
(10°F)		-7°C
(20°F)		1°C
(34°F)		7°C
(44°F)		11°C
(53°F)		15°C
(59°F)		14°C
(58°F)		10°C
(51°F)		5°C
(41°F)		-3°C
(27°F)		-9°C
(16°F)
Mean minimum-27°C
(-16°F)		-25°C
(-12°F)		-20°C
(-4°F)		-7°C
(20°F)		-1°C
(30°F)		5°C
(42°F)		9°C
(48°F)		8°C
(46°F)		2°C
(35°F)		-3°C
(27°F)		-14°C
(7°F)		-23°C
(-10°F)
Minimum-33°C
(-27°F)		-28°C
(-18°F)		-24°C
(-10°F)		-10°C
(15°F)		-2°C
(29°F)		0°C
(33°F)		8°C
(46°F)		5°C
(42°F)		-3°C
(26°F)		-6°C
(22°F)		-19°C
(-2°F)		-28°C
(-18°F)

Compare climate in Windsor with other places

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

Monthly average precipitation in Windsor, Canada

Windsor usually has the most precipitation in June, August and October, with an average of 14 rainy days and 130 mm (5.1 inches) of precipitation per month. The driest months in Windsor are February, March and September. On average, 81 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Windsor. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)86 (3.4)82 (3.2)82 (3.2)115 (4.5)105 (4.1)130 (5.1)120 (4.7)123 (4.8)78 (3.1)138 (5.4)115 (4.5)83 (3.3)
Average precipitation days (≥ 1 mm)131512141314161410151614

Monthly sunshine hours in Windsor, Canada

The sunniest months in Windsor are June, July and August, when the sun shines an average of 10 hours 38 minutes a day. Least sunny months in Windsor: January, November and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Windsor. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours107150221211282321331326279187135133
Mean daily daylight hours9h 9m10h 23m11h 57m13h 33m14h 54m15h 35m15h 13m14h 0m12h 28m10h 53m9h 29m8h 46m

Solar UV radiation in Windsor, Canada

Windsor experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, February 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 Windsor UV Index data.

Average daily maximum UV levels by month for Windsor. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799887532