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Monthly climate in Bath, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bath features a humid continental climate (Dfb).Temperatures typically range between -5 °C (22 °F) and 22 °C (72 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1141 mm (44.9 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually.Bath enjoys an average of 2800 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 Bath, Ontario, Canada §

The warmest months in Bath 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 -5 to -2 °C (22 - 29 °F) throughout the day. On average each year, Bath experiences 48 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bath, 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
(50°F)		 13°C
(56°F)		 17°C
(62°F)		 24°C
(75°F)		 29°C
(85°F)		 30°C
(86°F)		 33°C
(91°F)		 31°C
(87°F)		 30°C
(87°F)		 24°C
(76°F)		 19°C
(66°F)		 14°C
(57°F)
Mean maximum 7°C
(45°F)		 8°C
(47°F)		 13°C
(55°F)		 19°C
(66°F)		 27°C
(80°F)		 28°C
(83°F)		 30°C
(87°F)		 29°C
(85°F)		 28°C
(82°F)		 23°C
(74°F)		 15°C
(59°F)		 10°C
(50°F)
Average high -2°C
(29°F)		 -1°C
(31°F)		 4°C
(39°F)		 10°C
(50°F)		 17°C
(64°F)		 23°C
(73°F)		 26°C
(80°F)		 25°C
(78°F)		 22°C
(71°F)		 15°C
(58°F)		 6°C
(44°F)		 1°C
(33°F)
Daily mean -5°C
(22°F)		 -4°C
(24°F)		 -0°C
(32°F)		 6°C
(43°F)		 13°C
(56°F)		 19°C
(66°F)		 22°C
(72°F)		 21°C
(71°F)		 17°C
(63°F)		 11°C
(52°F)		 3°C
(38°F)		 -2°C
(29°F)
Average low -9°C
(16°F)		 -8°C
(17°F)		 -4°C
(25°F)		 2°C
(37°F)		 9°C
(48°F)		 14°C
(58°F)		 18°C
(65°F)		 17°C
(64°F)		 13°C
(56°F)		 8°C
(46°F)		 -0°C
(32°F)		 -5°C
(23°F)
Mean minimum -22°C
(-7°F)		 -19°C
(-2°F)		 -16°C
(4°F)		 -4°C
(26°F)		 1°C
(34°F)		 9°C
(48°F)		 14°C
(57°F)		 12°C
(54°F)		 7°C
(44°F)		 0°C
(33°F)		 -10°C
(14°F)		 -17°C
(2°F)
Minimum -28°C
(-18°F)		 -24°C
(-10°F)		 -20°C
(-3°F)		 -7°C
(20°F)		 -2°C
(29°F)		 4°C
(39°F)		 13°C
(55°F)		 11°C
(52°F)		 3°C
(38°F)		 -2°C
(29°F)		 -14°C
(7°F)		 -27°C
(-17°F)

Compare climate in Bath with other places

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

Monthly average precipitation in Bath, Ontario, Canada §

Bath usually has the most precipitation in April, July and October, with an average of 12 rainy days and 125 mm (4.9 inches) of precipitation per month.The driest months in Bath are January, March and September. On average, 74 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bath, 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) 74 (2.9) 76 (3.0) 74 (2.9) 125 (4.9) 98 (3.8) 91 (3.6) 106 (4.2) 90 (3.5) 74 (2.9) 145 (5.7) 100 (3.9) 90 (3.5)
Average precipitation days (≥ 1 mm) 9 12 10 12 11 11 12 12 9 13 12 11

Monthly sunshine hours in Bath, Ontario, Canada §

The sunniest months in Bath are June, July and August, when the sun shines an average of 10 hours 49 minutes a day.Least sunny months in Bath: January, February and December receive an average of 4 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bath, 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 122 153 231 232 282 323 341 330 290 205 155 130
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 29m 14h 47m 15h 26m 15h 4m 13h 55m 12h 27m 10h 56m 9h 36m 8h 54m

Solar UV radiation in Bath, Ontario, Canada §

Bath 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 Bath UV Index data.

Average daily maximum UV levels by month for Bath, 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 9 9 9 7 5 3 2