Last updated: August 27, 2025
In December, the average temperature in Barnaul, Russian Federation hovers around -12°C (10°F). The weather can be extreme, with minimum temperatures plummeting to -42°C (-43°F) and reaching a maximum of 4°C (39°F). Additionally, expect about 46 mm (1.8 in) of precipitation over 10 days, accompanied by a high average humidity of 92%. Prepare accordingly!
In December in Barnaul, the average temperature is -12°C (10°F), with maximums reaching 4°C (39°F) and minimums plummeting to as low as -42°C (-43°F). Travelers should be prepared for extreme cold and plan accordingly for outdoor activities.
In Barnaul in December, the precipitation amount is 46 mm (1.8 in) over the course of 10 days.
In Barnaul in December, humidity is 92%. With an average temperature of -12°C (10°F), this humidity feels like an icy breath enveloping you, amplifying the chill and making every outdoor excursion seem more daunting.
In Barnaul 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 Barnaul.
UV Risk Categories
Weather in Barnaul varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Barnaul, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -15°C (5°F) | 30 mm (1.2 inches) | 92% | low |
| February Weather | -13°C (9°F) | 24 mm (0.9 inches) | 94% | low |
| March Weather | -5°C (23°F) | 31 mm (1.2 inches) | 93% | moderate |
| April Weather | 5°C (42°F) | 22 mm (0.9 inches) | 84% | moderate |
| May Weather | 14°C (58°F) | 53 mm (2.1 inches) | 65% | very high |
| June Weather | 18°C (65°F) | 64 mm (2.5 inches) | 47% | very high |
| July Weather | 20°C (68°F) | 73 mm (2.9 inches) | 49% | high |
| August Weather | 18°C (66°F) | 44 mm (1.7 inches) | 53% | high |
| September Weather | 12°C (53°F) | 55 mm (2.2 inches) | 67% | moderate |
| October Weather | 4°C (40°F) | 51 mm (2.0 inches) | 81% | moderate |
| November Weather | -6°C (22°F) | 55 mm (2.2 inches) | 87% | low |
| December Weather | -12°C (10°F) | 46 mm (1.8 inches) | 92% | low |