Last updated: August 27, 2025
In Chistyye Klyuchi, Russian Federation, the average temperature in December hovers around -17°C (1°F), making it a chilly time of year. Temperatures can dip as low as -40°C (-41°F), while reaching a maximum of 2°C (36°F). Expect light precipitation, with an average of 17 mm (0.7 in) spread over 5 days, and prepare for high humidity levels, averaging 96%. Stay warm!
In December in Chistyye Klyuchi, the average temperature is -17°C (1°F), with maximums reaching 2°C (36°F) and minimums plummeting to as low as -40°C (-41°F). Travelers should prepare for extremely cold conditions and dress accordingly.
In Chistyye Klyuchi in December, the precipitation amount is 17 mm (0.7 in) over the course of 5 days.
In Chistyye Klyuchi in December, humidity is 96%. With an average temperature of -17°C (1°F), this humidity feels like being wrapped in a cold, damp blanket that makes every step outdoors a struggle, combining the chill of the air with a heavy, penetrating moisture that clings to your skin and makes traveling increasingly uncomfortable.
In Chistyye Klyuchi 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 Chistyye Klyuchi.
UV Risk Categories
Weather in Chistyye Klyuchi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chistyye Klyuchi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -19°C (-2°F) | 11 mm (0.4 inches) | 94% | low |
| February Weather | -17°C (3°F) | 11 mm (0.4 inches) | 90% | low |
| March Weather | -6°C (22°F) | 17 mm (0.7 inches) | 81% | moderate |
| April Weather | 4°C (40°F) | 21 mm (0.8 inches) | 73% | moderate |
| May Weather | 11°C (52°F) | 51 mm (2.0 inches) | 67% | high |
| June Weather | 17°C (63°F) | 52 mm (2.1 inches) | 64% | very high |
| July Weather | 19°C (67°F) | 100 mm (3.9 inches) | 71% | very high |
| August Weather | 17°C (63°F) | 92 mm (3.6 inches) | 73% | high |
| September Weather | 10°C (51°F) | 73 mm (2.9 inches) | 84% | moderate |
| October Weather | 2°C (36°F) | 24 mm (0.9 inches) | 84% | moderate |
| November Weather | -9°C (17°F) | 11 mm (0.4 inches) | 90% | low |
| December Weather | -17°C (1°F) | 17 mm (0.7 inches) | 96% | low |