Last updated: June 18, 2025
In December, the average temperature in Lewisporte, Canada is a chilly -1°C (31°F). During this month, temperatures can dip as low as -11°C (12°F) or rise to a pleasant 12°C (53°F). Expect about 140 mm (5.5 in) of precipitation spread over 17 days, contributing to a high average humidity of 88%.
In December in Lewisporte, the average temperature is -1°C (31°F), with a maximum reaching 12°C (53°F) and a minimum plummeting to -11°C (12°F). Visitors should be prepared for chilly temperatures and dress warmly to fully enjoy their time in Lewisporte.
In Lewisporte in December, the precipitation amount is 140 mm (5.5 in) spread over 17 days.
In Lewisporte in December, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.
In Lewisporte in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Lewisporte.
UV Risk Categories
Weather in Lewisporte varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lewisporte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 92 mm (3.6 inches) | 88% | low |
| February Weather | -5°C (23°F) | 99 mm (3.9 inches) | 90% | moderate |
| March Weather | -3°C (27°F) | 120 mm (4.7 inches) | 89% | moderate |
| April Weather | 1°C (35°F) | 152 mm (6.0 inches) | 90% | high |
| May Weather | 5°C (41°F) | 115 mm (4.5 inches) | 87% | very high |
| June Weather | 11°C (52°F) | 114 mm (4.5 inches) | 79% | very high |
| July Weather | 16°C (61°F) | 86 mm (3.4 inches) | 88% | very high |
| August Weather | 18°C (64°F) | 96 mm (3.8 inches) | 90% | very high |
| September Weather | 13°C (56°F) | 134 mm (5.3 inches) | 89% | high |
| October Weather | 8°C (47°F) | 142 mm (5.6 inches) | 88% | moderate |
| November Weather | 4°C (39°F) | 132 mm (5.2 inches) | 87% | low |
| December Weather | -1°C (31°F) | 140 mm (5.5 inches) | 88% | low |