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Monthly climate in Marystown, Newfoundland and Labrador, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Marystown features a subarctic climate (Dfc). Temperatures typically range between -4 °C (26 °F) and 17 °C (64 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 1355 mm (53.3 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually. Marystown enjoys an average of 2407 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Marystown, Newfoundland and Labrador, Canada §

The warmest months in Marystown are July, August and September, with daily mean temperatures ranging from 14 to 17 °C (58 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -4 to -2 °C (26 - 29 °F) throughout the day. On average each year, Marystown experiences 0 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Marystown, Newfoundland and Labrador, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(50°F)		 9°C
(49°F)		 11°C
(53°F)		 14°C
(57°F)		 16°C
(61°F)		 21°C
(69°F)		 23°C
(74°F)		 26°C
(79°F)		 22°C
(73°F)		 22°C
(71°F)		 16°C
(61°F)		 14°C
(57°F)
Mean maximum 8°C
(46°F)		 7°C
(45°F)		 7°C
(46°F)		 10°C
(51°F)		 14°C
(57°F)		 18°C
(64°F)		 22°C
(72°F)		 24°C
(76°F)		 22°C
(71°F)		 18°C
(64°F)		 15°C
(59°F)		 12°C
(53°F)
Average high 0°C
(33°F)		 -0°C
(32°F)		 1°C
(34°F)		 5°C
(42°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 20°C
(69°F)		 17°C
(62°F)		 12°C
(53°F)		 7°C
(46°F)		 3°C
(37°F)
Daily mean -2°C
(28°F)		 -4°C
(26°F)		 -2°C
(29°F)		 2°C
(37°F)		 5°C
(42°F)		 10°C
(51°F)		 15°C
(59°F)		 17°C
(64°F)		 14°C
(58°F)		 9°C
(49°F)		 5°C
(41°F)		 1°C
(33°F)
Average low -5°C
(23°F)		 -7°C
(20°F)		 -5°C
(24°F)		 -0°C
(32°F)		 3°C
(37°F)		 7°C
(45°F)		 12°C
(54°F)		 14°C
(58°F)		 11°C
(52°F)		 7°C
(44°F)		 2°C
(37°F)		 -1°C
(30°F)
Mean minimum -11°C
(12°F)		 -14°C
(7°F)		 -12°C
(12°F)		 -5°C
(23°F)		 -0°C
(31°F)		 3°C
(38°F)		 8°C
(46°F)		 10°C
(50°F)		 6°C
(42°F)		 2°C
(36°F)		 -2°C
(28°F)		 -7°C
(20°F)
Minimum -14°C
(7°F)		 -18°C
(-0°F)		 -13°C
(8°F)		 -8°C
(18°F)		 -1°C
(30°F)		 0°C
(33°F)		 7°C
(45°F)		 8°C
(47°F)		 3°C
(39°F)		 0°C
(33°F)		 -6°C
(22°F)		 -9°C
(15°F)

Compare climate in Marystown with other places

Compare temperature, precipitation, sunshine, UV index in Marystown, Newfoundland and Labrador, Canada with other places around the world.

Monthly average precipitation in Marystown, Newfoundland and Labrador, Canada §

Marystown usually has the most precipitation in March, November and December, with an average of 15 rainy days and 141 mm (5.5 inches) of precipitation per month. The driest months in Marystown are May, June and August. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Marystown, Newfoundland and Labrador, Canada. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 109 (4.3) 114 (4.5) 126 (5.0) 110 (4.3) 94 (3.7) 88 (3.5) 114 (4.5) 84 (3.3) 108 (4.3) 110 (4.3) 140 (5.5) 157 (6.2)
Average precipitation days (≥ 1 mm) 14 15 15 13 11 11 11 12 10 12 15 16

Monthly sunshine hours in Marystown, Newfoundland and Labrador, Canada §

The sunniest months in Marystown are May, June and August, when the sun shines an average of 9 hours 3 minutes a day. Least sunny months in Marystown: January, November and December receive an average of 3 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Marystown, Newfoundland and Labrador, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 87 138 209 216 287 254 246 290 244 190 128 111
Mean daily daylight hours 8h 57m 10h 17m 11h 56m 13h 38m 15h 5m 15h 50m 15h 26m 14h 8m 12h 29m 10h 48m 9h 19m 8h 32m

Solar UV radiation in Marystown, Newfoundland and Labrador, Canada §

Marystown 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, February 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 Marystown UV Index data.

Average daily maximum UV levels by month for Marystown, Newfoundland and Labrador, Canada. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 7 8 9 8 8 6 4 3 1

Detailed Monthly Weather Insights for Marystown, Newfoundland and Labrador, Canada

Discover in-depth weather details for every month in Marystown. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Marystown's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.