Last updated: August 27, 2025
In December, the average temperature in Bystryy Istok, Russian Federation hovers around -13°C (10°F), with extremes ranging from a chilling -37°C (-34°F) to a milder 4°C (40°F). Expect 39 mm (1.5 in) of precipitation over approximately 8 days, accompanied by a high average humidity of 92%. Bundle up and prepare for a brisk, damp month!
In December in Bystryy Istok, the average temperature is -13°C (10°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -37°C (-34°F). Travelers should be prepared for extremely cold conditions and dress appropriately for outdoor activities.
In Bystryy Istok in December, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.
In Bystryy Istok in December humidity is 92%. With an average temperature of -13°C (10°F), this humidity feels like a biting chill that penetrates your clothing, making every step outside a test of endurance, as your breath turns to mist and the air feels heavy and oppressive, dampening the excitement of travel.
In Bystryy Istok 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 Bystryy Istok.
UV Risk Categories
Weather in Bystryy Istok varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bystryy Istok, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -15°C (5°F) | 26 mm (1.0 inches) | 92% | low |
| February Weather | -13°C (9°F) | 27 mm (1.1 inches) | 94% | low |
| March Weather | -4°C (24°F) | 39 mm (1.5 inches) | 93% | moderate |
| April Weather | 6°C (43°F) | 43 mm (1.7 inches) | 84% | moderate |
| May Weather | 14°C (58°F) | 58 mm (2.3 inches) | 65% | very high |
| June Weather | 19°C (66°F) | 56 mm (2.2 inches) | 47% | very high |
| July Weather | 21°C (69°F) | 81 mm (3.2 inches) | 49% | high |
| August Weather | 19°C (67°F) | 53 mm (2.1 inches) | 53% | high |
| September Weather | 12°C (54°F) | 55 mm (2.2 inches) | 67% | moderate |
| October Weather | 5°C (41°F) | 62 mm (2.5 inches) | 81% | moderate |
| November Weather | -4°C (25°F) | 51 mm (2.0 inches) | 87% | low |
| December Weather | -13°C (10°F) | 39 mm (1.5 inches) | 92% | low |