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Monthly climate in St. Paul, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification St. Paul features a humid continental climate (Dfb). Temperatures typically range between -15 °C (5 °F) and 17 °C (63 °F) through the year, but rarely can drop to -41 °C (-42 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 521 mm (20.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. St. Paul enjoys an average of 2937 hours of sunshine throughout the year, and daylight varies from 7 hours 27 minutes to 17 hours 1 minutes per day.

Monthly average temperatures in St. Paul, Canada

The warmest months in St. Paul are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -15 to -11 °C (5 - 13 °F) throughout the day. On average each year, St. Paul experiences 17 days above 25 °C (77.0 °F) and 188 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in St. Paul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(42°F)		7°C
(45°F)		12°C
(55°F)		26°C
(79°F)		30°C
(87°F)		34°C
(93°F)		35°C
(95°F)		31°C
(89°F)		28°C
(83°F)		21°C
(70°F)		14°C
(57°F)		7°C
(45°F)
Mean maximum4°C
(39°F)		4°C
(39°F)		7°C
(45°F)		19°C
(67°F)		26°C
(79°F)		26°C
(80°F)		30°C
(87°F)		29°C
(84°F)		24°C
(76°F)		19°C
(66°F)		8°C
(47°F)		5°C
(41°F)
Average high-8°C
(17°F)		-10°C
(14°F)		-2°C
(29°F)		7°C
(44°F)		17°C
(62°F)		20°C
(69°F)		22°C
(72°F)		21°C
(70°F)		15°C
(60°F)		7°C
(46°F)		-3°C
(28°F)		-7°C
(20°F)
Daily mean-13°C
(9°F)		-15°C
(5°F)		-6°C
(21°F)		1°C
(34°F)		11°C
(52°F)		15°C
(60°F)		17°C
(63°F)		16°C
(61°F)		10°C
(50°F)		2°C
(36°F)		-6°C
(21°F)		-11°C
(13°F)
Average low-17°C
(2°F)		-20°C
(-3°F)		-11°C
(13°F)		-4°C
(25°F)		4°C
(40°F)		10°C
(50°F)		12°C
(54°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(28°F)		-10°C
(14°F)		-15°C
(6°F)
Mean minimum-35°C
(-31°F)		-34°C
(-30°F)		-26°C
(-15°F)		-15°C
(5°F)		-4°C
(26°F)		4°C
(40°F)		8°C
(46°F)		5°C
(41°F)		-2°C
(29°F)		-10°C
(14°F)		-22°C
(-7°F)		-30°C
(-22°F)
Minimum-40°C
(-39°F)		-40°C
(-41°F)		-31°C
(-23°F)		-26°C
(-14°F)		-8°C
(18°F)		2°C
(36°F)		6°C
(44°F)		4°C
(39°F)		-4°C
(25°F)		-14°C
(8°F)		-24°C
(-10°F)		-41°C
(-42°F)

Compare climate in St. Paul with other places

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

Monthly average precipitation in St. Paul, Canada

St. Paul usually has the most precipitation in June, July and August, with an average of 12 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in St. Paul are January, February and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in St. Paul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)17 (0.7)16 (0.6)24 (0.9)33 (1.3)46 (1.8)114 (4.5)97 (3.8)56 (2.2)40 (1.6)30 (1.2)29 (1.2)18 (0.7)
Average precipitation days (≥ 1 mm)54657131497665

Monthly sunshine hours in St. Paul, Canada

The sunniest months in St. Paul are May, June and July, when the sun shines an average of 11 hours 26 minutes a day. Least sunny months in St. Paul: January, November 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 St. Paul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours111183244288344339368332230195146152
Mean daily daylight hours8h 2m9h 47m11h 55m14h 6m16h 1m17h 1m16h 27m14h 43m12h 36m10h 27m8h 30m7h 27m

Solar UV radiation in St. Paul, Canada

St. Paul experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly St. Paul UV Index data.

Average daily maximum UV levels by month for St. Paul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)134578876321