Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Marystown, Newfoundland and Labrador, Canada with other places around the world.
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.
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 |
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.
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 |
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 6 | 4 | 3 | 1 |