Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Watford, Ontario, Canada with other places around the world.
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.
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 |
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.
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 |
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 4 | 5 | 8 | 9 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |