Last updated: June 18, 2025
In Montebello, Canada, the average temperature in December hovers around -6°C (21°F), with extreme lows plunging to -29°C (-20°F) and highs reaching up to 13°C (56°F). Expect 88 mm (3.5 in) of precipitation over approximately 12 days, coupled with a notably high average humidity of 89%.
In December in Montebello, the average temperature is -6°C (21°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures, from chilly days to extremely cold nights.
In Montebello in December, the precipitation amount is 88 mm (3.5 in) over a span of 12 days.
In Montebello in December, humidity is 89%. With an average temperature of -6°C (21°F), this humidity feels like an uncomfortable chill that seeps into your bones, making traveling outdoors an arduous task as the cold air mixes with dampness, often leaving you feeling cold and clammy despite layers of clothing.
In Montebello 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 Montebello, you can visit Hourly UV Index in Montebello.
UV Risk Categories
Weather in Montebello varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Montebello, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 80 mm (3.1 inches) | 93% | low |
| February Weather | -8°C (18°F) | 85 mm (3.3 inches) | 93% | moderate |
| March Weather | -3°C (27°F) | 89 mm (3.5 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 110 mm (4.3 inches) | 82% | very high |
| May Weather | 13°C (55°F) | 115 mm (4.5 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 102 mm (4.0 inches) | 68% | very high |
| July Weather | 21°C (70°F) | 134 mm (5.3 inches) | 69% | very high |
| August Weather | 19°C (67°F) | 98 mm (3.9 inches) | 67% | very high |
| September Weather | 15°C (59°F) | 86 mm (3.4 inches) | 72% | high |
| October Weather | 9°C (48°F) | 124 mm (4.9 inches) | 83% | moderate |
| November Weather | 0°C (32°F) | 100 mm (3.9 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 88 mm (3.5 inches) | 89% | low |