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Monthly climate in Zephyr, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Zephyr features a humid continental climate (Dfb).Temperatures typically range between -7 °C (21 °F) and 22 °C (71 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1055 mm (41.5 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually.Zephyr enjoys an average of 2735 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.

Monthly average temperatures in Zephyr, Ontario, Canada §

The warmest months in Zephyr are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (21 - 27 °F) throughout the day. On average each year, Zephyr experiences 50 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Zephyr, 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 10°C
(51°F)		 14°C
(57°F)		 20°C
(69°F)		 25°C
(78°F)		 32°C
(89°F)		 33°C
(91°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 16°C
(61°F)
Mean maximum 7°C
(44°F)		 9°C
(49°F)		 15°C
(60°F)		 20°C
(69°F)		 30°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 31°C
(87°F)		 29°C
(84°F)		 25°C
(78°F)		 16°C
(60°F)		 11°C
(51°F)
Average high -3°C
(28°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(50°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 14°C
(57°F)		 5°C
(42°F)		 0°C
(32°F)
Daily mean -7°C
(21°F)		 -5°C
(22°F)		 -1°C
(31°F)		 5°C
(42°F)		 13°C
(56°F)		 18°C
(66°F)		 22°C
(71°F)		 20°C
(69°F)		 16°C
(62°F)		 10°C
(50°F)		 2°C
(36°F)		 -3°C
(27°F)
Average low -11°C
(13°F)		 -10°C
(14°F)		 -5°C
(23°F)		 1°C
(35°F)		 8°C
(46°F)		 13°C
(56°F)		 17°C
(62°F)		 16°C
(61°F)		 11°C
(53°F)		 6°C
(43°F)		 -2°C
(29°F)		 -6°C
(21°F)
Mean minimum -24°C
(-11°F)		 -22°C
(-8°F)		 -18°C
(1°F)		 -6°C
(22°F)		 -0°C
(32°F)		 8°C
(47°F)		 12°C
(54°F)		 10°C
(51°F)		 5°C
(41°F)		 -1°C
(30°F)		 -14°C
(7°F)		 -19°C
(-2°F)
Minimum -29°C
(-19°F)		 -27°C
(-17°F)		 -22°C
(-8°F)		 -9°C
(16°F)		 -3°C
(27°F)		 4°C
(40°F)		 11°C
(52°F)		 7°C
(46°F)		 1°C
(34°F)		 -3°C
(27°F)		 -20°C
(-4°F)		 -29°C
(-20°F)

Compare climate in Zephyr with other places

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

Monthly average precipitation in Zephyr, Ontario, Canada §

Zephyr usually has the most precipitation in April, August and October, with an average of 13 rainy days and 110 mm (4.3 inches) of precipitation per month.The driest months in Zephyr are January, February and March. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Zephyr, 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) 64 (2.5) 68 (2.7) 65 (2.6) 112 (4.4) 102 (4.0) 101 (4.0) 100 (3.9) 116 (4.6) 70 (2.8) 103 (4.1) 82 (3.2) 72 (2.8)
Average precipitation days (≥ 1 mm) 10 12 11 14 12 12 12 13 10 14 13 14

Monthly sunshine hours in Zephyr, Ontario, Canada §

The sunniest months in Zephyr are June, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in Zephyr: January, November and December receive an average of 3 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Zephyr, 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 107 151 225 223 286 324 345 333 292 191 144 110
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 26m 15h 5m 13h 55m 12h 27m 10h 55m 9h 35m 8h 54m

Solar UV radiation in Zephyr, Ontario, Canada §

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

Average daily maximum UV levels by month for Zephyr, 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 6 8 9 9 9 9 7 5 3 2