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Monthly climate in Lewisporte, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lewisporte features a humid continental climate (Dfb). Temperatures typically range between -5 °C (23 °F) and 18 °C (64 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1422 mm (56.0 inches) and receives 173 rainy days on the 1 mm (0.04 inches) threshold annually. Lewisporte enjoys an average of 2421 hours of sunshine throughout the year, and daylight varies from 8 hours 15 minutes to 16 hours 9 minutes per day.

Monthly average temperatures in Lewisporte, Canada

The warmest months in Lewisporte are July, August and September, with daily mean temperatures ranging from 13 to 18 °C (56 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -5 to -3 °C (23 - 27 °F) throughout the day. On average each year, Lewisporte experiences 5 days above 25 °C (77.0 °F) and 139 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lewisporte. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		8°C
(47°F)		10°C
(50°F)		15°C
(60°F)		27°C
(81°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		24°C
(75°F)		23°C
(73°F)		15°C
(59°F)		12°C
(53°F)
Mean maximum7°C
(45°F)		6°C
(44°F)		7°C
(45°F)		11°C
(53°F)		18°C
(66°F)		21°C
(70°F)		27°C
(80°F)		27°C
(82°F)		23°C
(73°F)		17°C
(64°F)		13°C
(56°F)		10°C
(50°F)
Average high-1°C
(30°F)		-2°C
(29°F)		0°C
(32°F)		4°C
(40°F)		8°C
(47°F)		14°C
(58°F)		19°C
(67°F)		21°C
(70°F)		16°C
(61°F)		10°C
(51°F)		6°C
(43°F)		1°C
(34°F)
Daily mean-4°C
(25°F)		-5°C
(23°F)		-3°C
(27°F)		1°C
(35°F)		5°C
(41°F)		11°C
(52°F)		16°C
(61°F)		18°C
(64°F)		13°C
(56°F)		8°C
(47°F)		4°C
(39°F)		-1°C
(31°F)
Average low-6°C
(21°F)		-8°C
(17°F)		-6°C
(22°F)		-1°C
(30°F)		2°C
(36°F)		8°C
(46°F)		13°C
(55°F)		15°C
(59°F)		11°C
(51°F)		6°C
(43°F)		1°C
(35°F)		-3°C
(27°F)
Mean minimum-12°C
(11°F)		-15°C
(5°F)		-12°C
(10°F)		-7°C
(19°F)		-1°C
(30°F)		3°C
(37°F)		8°C
(46°F)		11°C
(51°F)		6°C
(43°F)		2°C
(35°F)		-3°C
(27°F)		-8°C
(18°F)
Minimum-15°C
(6°F)		-19°C
(-2°F)		-16°C
(3°F)		-10°C
(14°F)		-6°C
(22°F)		0°C
(33°F)		7°C
(44°F)		10°C
(50°F)		5°C
(41°F)		0°C
(33°F)		-7°C
(19°F)		-11°C
(12°F)

Compare climate in Lewisporte with other places

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

Monthly average precipitation in Lewisporte, Canada

Lewisporte usually has the most precipitation in April, October and December, with an average of 16 rainy days and 145 mm (5.7 inches) of precipitation per month. The driest months in Lewisporte are January, July and August. On average, 91 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lewisporte. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)92 (3.6)99 (3.9)120 (4.7)152 (6.0)115 (4.5)114 (4.5)86 (3.4)96 (3.8)134 (5.3)142 (5.6)132 (5.2)140 (5.5)
Average precipitation days (≥ 1 mm)121314151514121215171717

Monthly sunshine hours in Lewisporte, Canada

The sunniest months in Lewisporte are June, July and August, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Lewisporte: January, November and December receive an average of 3 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lewisporte. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours8614119421322728133131223618512287
Mean daily daylight hours8h 42m10h 9m11h 56m13h 45m15h 20m16h 9m15h 42m14h 17m12h 32m10h 43m9h 5m8h 15m

Solar UV radiation in Lewisporte, Canada

Lewisporte 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 exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Lewisporte UV Index data.

Average daily maximum UV levels by month for Lewisporte. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2346810886421