Last updated: August 27, 2025
In December, the average temperature in Tomsk, Russian Federation hovers around -14°C (7°F). However, be prepared for extreme fluctuations, with minimum temperatures plunging to -43°C (-44°F) and a maximum of 2°C (36°F). This chilly month also sees about 45 mm (1.8 in) of precipitation spread across 13 days, contributing to a notably high average humidity of 98%.
In December in Tomsk, the average temperature is -14°C (7°F), with maximums rising to 2°C (36°F) and minimums plummeting as low as -43°C (-44°F). Travelers should be well-prepared for extremely cold conditions and pack appropriate winter gear when visiting during this time.
In Tomsk in December, the precipitation amount is 45 mm (1.8 in) spread over 13 days.
In Tomsk in December, humidity is 98%. With an average temperature of -14°C (7°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel like an uphill battle against the cold, damp air that clings to your skin.
In Tomsk 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 Tomsk.
UV Risk Categories
Weather in Tomsk varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tomsk, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -16°C (3°F) | 35 mm (1.4 inches) | 98% | low |
| February Weather | -14°C (8°F) | 29 mm (1.2 inches) | 98% | low |
| March Weather | -5°C (23°F) | 29 mm (1.1 inches) | 96% | moderate |
| April Weather | 3°C (38°F) | 36 mm (1.4 inches) | 94% | moderate |
| May Weather | 11°C (52°F) | 53 mm (2.1 inches) | 71% | high |
| June Weather | 17°C (62°F) | 61 mm (2.4 inches) | 56% | high |
| July Weather | 18°C (65°F) | 67 mm (2.6 inches) | 58% | high |
| August Weather | 17°C (63°F) | 55 mm (2.2 inches) | 56% | high |
| September Weather | 10°C (49°F) | 58 mm (2.3 inches) | 73% | moderate |
| October Weather | 3°C (38°F) | 49 mm (1.9 inches) | 85% | moderate |
| November Weather | -8°C (18°F) | 66 mm (2.6 inches) | 96% | low |
| December Weather | -14°C (7°F) | 45 mm (1.8 inches) | 98% | low |