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Monthly climate in Shediac, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Shediac features a humid continental climate (Dfb). Temperatures typically range between -6 °C (21 °F) and 20 °C (68 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1116 mm (43.9 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Shediac enjoys an average of 2838 hours of sunshine throughout the year, and daylight varies from 8 hours 39 minutes to 15 hours 43 minutes per day.

Monthly average temperatures in Shediac, Canada

The warmest months in Shediac are July, August and September, with daily mean temperatures ranging from 16 to 20 °C (60 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (21 - 27 °F) throughout the day. On average each year, Shediac experiences 21 days above 25 °C (77.0 °F) and 132 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Shediac. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		11°C
(52°F)		13°C
(56°F)		18°C
(65°F)		25°C
(78°F)		31°C
(88°F)		32°C
(90°F)		30°C
(86°F)		28°C
(83°F)		24°C
(75°F)		21°C
(69°F)		14°C
(58°F)
Mean maximum8°C
(47°F)		7°C
(45°F)		9°C
(48°F)		15°C
(60°F)		23°C
(73°F)		25°C
(77°F)		29°C
(85°F)		29°C
(84°F)		26°C
(79°F)		20°C
(69°F)		18°C
(64°F)		12°C
(54°F)
Average high-2°C
(29°F)		-2°C
(30°F)		1°C
(35°F)		7°C
(45°F)		13°C
(56°F)		20°C
(67°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)		6°C
(44°F)		1°C
(33°F)
Daily mean-6°C
(21°F)		-6°C
(22°F)		-2°C
(28°F)		4°C
(39°F)		9°C
(49°F)		16°C
(60°F)		19°C
(67°F)		20°C
(68°F)		16°C
(60°F)		10°C
(50°F)		3°C
(38°F)		-3°C
(27°F)
Average low-10°C
(14°F)		-10°C
(14°F)		-6°C
(22°F)		1°C
(34°F)		6°C
(42°F)		11°C
(53°F)		16°C
(61°F)		16°C
(61°F)		12°C
(54°F)		7°C
(44°F)		-0°C
(32°F)		-6°C
(21°F)
Mean minimum-20°C
(-5°F)		-19°C
(-2°F)		-16°C
(3°F)		-4°C
(25°F)		1°C
(35°F)		5°C
(42°F)		12°C
(53°F)		11°C
(53°F)		6°C
(43°F)		1°C
(34°F)		-8°C
(19°F)		-16°C
(4°F)
Minimum-24°C
(-11°F)		-23°C
(-8°F)		-20°C
(-3°F)		-7°C
(19°F)		-1°C
(31°F)		2°C
(35°F)		11°C
(52°F)		10°C
(49°F)		4°C
(40°F)		-3°C
(26°F)		-14°C
(7°F)		-21°C
(-5°F)

Compare climate in Shediac with other places

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

Monthly average precipitation in Shediac, Canada

Shediac usually has the most precipitation in February, May and November, with an average of 12 rainy days and 110 mm (4.3 inches) of precipitation per month. The driest months in Shediac are March, July and August. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Shediac. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)94 (3.7)98 (3.9)76 (3.0)91 (3.6)99 (3.9)97 (3.8)79 (3.1)69 (2.7)96 (3.8)85 (3.3)134 (5.3)98 (3.9)
Average precipitation days (≥ 1 mm)10111112131210910111412

Monthly sunshine hours in Shediac, Canada

The sunniest months in Shediac are June, July and August, when the sun shines an average of 10 hours 46 minutes a day. Least sunny months in Shediac: January, November and December receive an average of 4 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Shediac. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours114187232231289322331337268218151152
Mean daily daylight hours9h 3m10h 20m11h 57m13h 35m15h 0m15h 43m15h 19m14h 4m12h 29m10h 51m9h 24m8h 39m

Solar UV radiation in Shediac, Canada

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

Average daily maximum UV levels by month for Shediac. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2457810887532