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Monthly climate in Watford, Ontario, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Watford features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 22 °C (72 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 1126 mm (44.3 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Watford enjoys an average of 2821 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 17 minutes per day.

Monthly average temperatures in Watford, Ontario, Canada §

The warmest months in Watford are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (65 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 1 °C (27 - 33 °F) throughout the day. On average each year, Watford experiences 39 days above 25 °C (77.0 °F) and 100 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Watford, 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)		 16°C
(61°F)		 21°C
(70°F)		 27°C
(80°F)		 29°C
(85°F)		 32°C
(89°F)		 30°C
(87°F)		 30°C
(86°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(58°F)
Mean maximum 8°C
(47°F)		 10°C
(50°F)		 15°C
(59°F)		 18°C
(65°F)		 25°C
(78°F)		 28°C
(83°F)		 30°C
(87°F)		 29°C
(85°F)		 28°C
(82°F)		 24°C
(76°F)		 15°C
(59°F)		 12°C
(53°F)
Average high -0°C
(32°F)		 1°C
(34°F)		 5°C
(41°F)		 9°C
(49°F)		 16°C
(61°F)		 22°C
(72°F)		 25°C
(78°F)		 25°C
(77°F)		 22°C
(71°F)		 15°C
(60°F)		 7°C
(45°F)		 3°C
(37°F)
Daily mean -3°C
(27°F)		 -2°C
(28°F)		 1°C
(35°F)		 6°C
(43°F)		 12°C
(54°F)		 18°C
(65°F)		 22°C
(72°F)		 22°C
(71°F)		 18°C
(65°F)		 12°C
(54°F)		 4°C
(40°F)		 1°C
(33°F)
Average low -5°C
(23°F)		 -5°C
(23°F)		 -2°C
(29°F)		 3°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 18°C
(65°F)		 18°C
(65°F)		 15°C
(59°F)		 9°C
(49°F)		 2°C
(36°F)		 -2°C
(29°F)
Mean minimum -15°C
(5°F)		 -14°C
(7°F)		 -9°C
(17°F)		 -3°C
(27°F)		 2°C
(35°F)		 10°C
(50°F)		 14°C
(58°F)		 13°C
(56°F)		 9°C
(48°F)		 3°C
(38°F)		 -5°C
(23°F)		 -9°C
(17°F)
Minimum -20°C
(-4°F)		 -21°C
(-5°F)		 -13°C
(9°F)		 -5°C
(24°F)		 -1°C
(31°F)		 7°C
(45°F)		 13°C
(55°F)		 11°C
(52°F)		 5°C
(41°F)		 2°C
(35°F)		 -10°C
(15°F)		 -16°C
(4°F)

Compare climate in Watford with other places

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

Monthly average precipitation in Watford, Ontario, Canada §

Watford usually has the most precipitation in April, May and October, with an average of 14 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Watford are January, March and December. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Watford, 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) 81 (3.2) 82 (3.2) 80 (3.1) 109 (4.3) 104 (4.1) 87 (3.4) 84 (3.3) 99 (3.9) 87 (3.4) 138 (5.4) 99 (3.9) 74 (2.9)
Average precipitation days (≥ 1 mm) 13 12 12 14 13 11 11 12 12 17 13 14

Monthly sunshine hours in Watford, Ontario, Canada §

The sunniest months in Watford are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Watford: January, February and December receive an average of 4 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Watford, 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 99 150 236 243 293 339 352 333 289 211 151 119
Mean daily daylight hours 9h 24m 10h 32m 11h 57m 13h 25m 14h 40m 15h 17m 14h 56m 13h 50m 12h 26m 10h 58m 9h 42m 9h 3m

Solar UV radiation in Watford, Ontario, Canada §

Watford 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 Watford UV Index data.

Average daily maximum UV levels by month for Watford, 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

Detailed Monthly Weather Insights for Watford, Ontario, Canada

Discover in-depth weather details for every month in Watford. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Watford's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.