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Monthly climate in Goderich, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Goderich features a humid continental climate (Dfb). Temperatures typically range between -2 °C (28 °F) and 21 °C (70 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 1254 mm (49.4 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually. Goderich enjoys an average of 2693 hours of sunshine throughout the year, and daylight varies from 8 hours 57 minutes to 15 hours 22 minutes per day.

Monthly average temperatures in Goderich, Canada

The warmest months in Goderich are July, August and September, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -2 to 0 °C (28 - 32 °F) throughout the day. On average each year, Goderich experiences 5 days above 25 °C (77.0 °F) and 91 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Goderich. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		10°C
(49°F)		10°C
(50°F)		14°C
(57°F)		21°C
(71°F)		24°C
(76°F)		28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		21°C
(70°F)		16°C
(60°F)		11°C
(53°F)
Mean maximum6°C
(42°F)		6°C
(43°F)		8°C
(47°F)		12°C
(54°F)		18°C
(65°F)		22°C
(72°F)		25°C
(78°F)		26°C
(80°F)		24°C
(75°F)		20°C
(69°F)		13°C
(55°F)		9°C
(49°F)
Average high-0°C
(32°F)		-0°C
(32°F)		2°C
(36°F)		6°C
(42°F)		11°C
(51°F)		17°C
(63°F)		22°C
(71°F)		23°C
(73°F)		20°C
(68°F)		14°C
(58°F)		7°C
(44°F)		3°C
(37°F)
Daily mean-2°C
(28°F)		-2°C
(28°F)		0°C
(32°F)		3°C
(39°F)		8°C
(47°F)		14°C
(58°F)		20°C
(68°F)		21°C
(70°F)		18°C
(64°F)		12°C
(54°F)		5°C
(41°F)		1°C
(34°F)
Average low-4°C
(26°F)		-4°C
(25°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(44°F)		13°C
(55°F)		18°C
(65°F)		19°C
(67°F)		16°C
(61°F)		11°C
(52°F)		3°C
(38°F)		-0°C
(32°F)
Mean minimum-11°C
(12°F)		-11°C
(13°F)		-8°C
(19°F)		-2°C
(28°F)		2°C
(36°F)		9°C
(48°F)		14°C
(58°F)		15°C
(60°F)		12°C
(53°F)		6°C
(43°F)		-3°C
(27°F)		-6°C
(21°F)
Minimum-17°C
(1°F)		-15°C
(6°F)		-11°C
(12°F)		-4°C
(26°F)		-0°C
(32°F)		6°C
(43°F)		13°C
(56°F)		15°C
(59°F)		10°C
(51°F)		3°C
(38°F)		-6°C
(22°F)		-11°C
(12°F)

Compare climate in Goderich with other places

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

Monthly average precipitation in Goderich, Canada

Goderich usually has the most precipitation in August, October and November, with an average of 15 rainy days and 134 mm (5.3 inches) of precipitation per month. The driest months in Goderich are March, June and July. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Goderich. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)97 (3.8)97 (3.8)84 (3.3)107 (4.2)92 (3.6)89 (3.5)73 (2.9)117 (4.6)107 (4.2)147 (5.8)137 (5.4)106 (4.2)
Average precipitation days (≥ 1 mm)161713141210101112171919

Monthly sunshine hours in Goderich, Canada

The sunniest months in Goderich are June, July and August, when the sun shines an average of 11 hours 0 minutes a day. Least sunny months in Goderich: January, November and December receive an average of 3 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Goderich. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours78131219234294334349329290200130101
Mean daily daylight hours9h 19m10h 29m11h 58m13h 28m14h 44m15h 22m15h 1m13h 53m12h 26m10h 57m9h 38m8h 57m

Solar UV radiation in Goderich, Canada

Goderich 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 Goderich UV Index data.

Average daily maximum UV levels by month for Goderich. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2458910997532