Last updated: March 2, 2024
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.
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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 11°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 maximum | 7°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 temperature, precipitation, sunshine, UV index in Lewisporte, Newfoundland and Labrador, Canada with other places around the world.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 12 | 13 | 14 | 15 | 15 | 14 | 12 | 12 | 15 | 17 | 17 | 17 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 86 | 141 | 194 | 213 | 227 | 281 | 331 | 312 | 236 | 185 | 122 | 87 |
| Mean daily daylight hours | 8h 42m | 10h 9m | 11h 56m | 13h 45m | 15h 20m | 16h 9m | 15h 42m | 14h 17m | 12h 32m | 10h 43m | 9h 5m | 8h 15m |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 2 | 3 | 4 | 6 | 8 | 10 | 8 | 8 | 6 | 4 | 2 | 1 |
Discover in-depth weather details for every month in Lewisporte. 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 Lewisporte'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.