Last updated: June 18, 2025
In December, the average temperature in Hampstead, Canada hovers around -4°C (24°F), making it a brisk time of year. Temperatures can dip as low as -27°C (-16°F), while the mercury can rise to 15°C (59°F) on milder days. Expect about 89 mm (3.5 in) of precipitation spread over 12 days, contributing to an average humidity of 89%—a true winter atmosphere!
In December in Hampstead, the average temperature is -4°C (24°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -27°C (-16°F). Be sure to pack warm clothing if you plan to visit during this time!
In Hampstead in December, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.
In Hampstead in December, humidity is 89%. With an average temperature of -4°C (24°F), this humidity feels like an unexpected chill that can make outdoor activities uncomfortable, turning even short walks into a brisk challenge as the dampness seeps into your clothing.
In Hampstead in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Hampstead, you can visit Hourly UV Index in Hampstead.
UV Risk Categories
Weather in Hampstead varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hampstead, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -7°C (20°F) | 85 mm (3.3 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 85 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (42°F) | 120 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (56°F) | 96 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 97 mm (3.8 inches) | 74% | very high |
| July Weather | 22°C (73°F) | 89 mm (3.5 inches) | 76% | very high |
| August Weather | 21°C (71°F) | 98 mm (3.9 inches) | 75% | very high |
| September Weather | 17°C (62°F) | 69 mm (2.7 inches) | 78% | high |
| October Weather | 10°C (51°F) | 132 mm (5.2 inches) | 86% | moderate |
| November Weather | 2°C (36°F) | 115 mm (4.5 inches) | 88% | moderate |
| December Weather | -4°C (24°F) | 89 mm (3.5 inches) | 89% | low |