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Monthly climate in Sainte-Croix, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sainte-Croix features a humid continental climate (Dfb). Temperatures typically range between -8 °C (18 °F) and 21 °C (70 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1290 mm (50.8 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually. Sainte-Croix enjoys an average of 2750 hours of sunshine throughout the year, and daylight varies from 8 hours 47 minutes to 15 hours 34 minutes per day.

Monthly average temperatures in Sainte-Croix, Canada

The warmest months in Sainte-Croix are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (18 - 24 °F) throughout the day. On average each year, Sainte-Croix experiences 46 days above 25 °C (77.0 °F) and 137 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sainte-Croix. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		16°C
(61°F)		21°C
(70°F)		24°C
(76°F)		35°C
(96°F)		32°C
(91°F)		34°C
(93°F)		32°C
(89°F)		30°C
(87°F)		26°C
(79°F)		22°C
(73°F)		16°C
(60°F)
Mean maximum7°C
(45°F)		9°C
(48°F)		14°C
(57°F)		21°C
(71°F)		30°C
(86°F)		30°C
(86°F)		31°C
(88°F)		31°C
(87°F)		28°C
(82°F)		23°C
(74°F)		16°C
(62°F)		11°C
(52°F)
Average high-4°C
(25°F)		-2°C
(29°F)		2°C
(37°F)		10°C
(51°F)		18°C
(65°F)		23°C
(74°F)		26°C
(79°F)		25°C
(77°F)		21°C
(70°F)		14°C
(57°F)		5°C
(40°F)		-1°C
(30°F)
Daily mean-8°C
(18°F)		-6°C
(21°F)		-2°C
(29°F)		6°C
(43°F)		13°C
(56°F)		18°C
(65°F)		21°C
(70°F)		20°C
(68°F)		16°C
(60°F)		10°C
(49°F)		1°C
(34°F)		-5°C
(24°F)
Average low-12°C
(10°F)		-11°C
(12°F)		-6°C
(22°F)		1°C
(35°F)		8°C
(46°F)		13°C
(55°F)		16°C
(61°F)		15°C
(60°F)		11°C
(52°F)		6°C
(42°F)		-3°C
(27°F)		-9°C
(17°F)
Mean minimum-26°C
(-14°F)		-23°C
(-10°F)		-19°C
(-2°F)		-7°C
(20°F)		-0°C
(32°F)		6°C
(44°F)		10°C
(50°F)		8°C
(47°F)		2°C
(36°F)		-3°C
(27°F)		-16°C
(4°F)		-23°C
(-9°F)
Minimum-32°C
(-25°F)		-27°C
(-15°F)		-23°C
(-9°F)		-10°C
(14°F)		-2°C
(29°F)		1°C
(34°F)		8°C
(47°F)		6°C
(43°F)		-3°C
(27°F)		-7°C
(20°F)		-20°C
(-3°F)		-27°C
(-16°F)

Compare climate in Sainte-Croix with other places

Compare temperature, precipitation, sunshine, UV index in Sainte-Croix, Canada with other places around the world.

Monthly average precipitation in Sainte-Croix, Canada

Sainte-Croix usually has the most precipitation in April, October and November, with an average of 15 rainy days and 132 mm (5.2 inches) of precipitation per month. The driest months in Sainte-Croix are February, September and December. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sainte-Croix. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)94 (3.7)88 (3.5)91 (3.6)119 (4.7)106 (4.2)117 (4.6)118 (4.7)117 (4.6)77 (3.0)148 (5.8)128 (5.0)87 (3.4)
Average precipitation days (≥ 1 mm)121513151312141411151614

Monthly sunshine hours in Sainte-Croix, Canada

The sunniest months in Sainte-Croix are June, July and August, when the sun shines an average of 10 hours 48 minutes a day. Least sunny months in Sainte-Croix: January, November and December receive an average of 4 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sainte-Croix. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours113152227216282324335334287191142141
Mean daily daylight hours9h 11m10h 24m11h 57m13h 32m14h 53m15h 34m15h 11m13h 59m12h 28m10h 53m9h 30m8h 47m

Solar UV radiation in Sainte-Croix, Canada

Sainte-Croix experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 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 Sainte-Croix UV Index data.

Average daily maximum UV levels by month for Sainte-Croix. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245799887532