Last updated: August 27, 2025
In Klyuchi, Russian Federation, the weather in December is quite frigid, with an average temperature of -12°C (10°F). Be prepared for extreme variations, as temperatures can plummet to a chilling -37°C (-35°F) and occasionally reach a high of 2°C (36°F). Expect some moisture as well, with a precipitation amount of 28 mm (1.1 in) spread over 8 days. The air is often heavy, with an average humidity of 93%.
In December in Klyuchi, the average temperature is -12°C (10°F). Maximums can reach 2°C (36°F), while minimums can plummet to as low as -37°C (-35°F). Travelers should be well-prepared for extreme cold temperatures and dress in layers to ensure comfort during their visit.
In Klyuchi in December, the total precipitation amount is 28 mm (1.1 in) spread over 8 days.
In Klyuchi in December, humidity is 93%. With an average temperature of -12°C (10°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and potentially hazardous as frostbite can set in quickly without proper clothing.
In 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 Klyuchi.
UV Risk Categories
Weather in Klyuchi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Klyuchi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -16°C (4°F) | 16 mm (0.6 inches) | 96% | low |
| February Weather | -13°C (8°F) | 19 mm (0.7 inches) | 96% | moderate |
| March Weather | -6°C (22°F) | 23 mm (0.9 inches) | 93% | moderate |
| April Weather | 7°C (45°F) | 18 mm (0.7 inches) | 75% | high |
| May Weather | 15°C (59°F) | 31 mm (1.2 inches) | 51% | high |
| June Weather | 19°C (67°F) | 46 mm (1.8 inches) | 39% | high |
| July Weather | 21°C (70°F) | 51 mm (2.0 inches) | 44% | high |
| August Weather | 19°C (67°F) | 38 mm (1.5 inches) | 51% | high |
| September Weather | 12°C (54°F) | 39 mm (1.5 inches) | 61% | moderate |
| October Weather | 5°C (41°F) | 31 mm (1.2 inches) | 78% | moderate |
| November Weather | -5°C (23°F) | 28 mm (1.1 inches) | 84% | low |
| December Weather | -12°C (10°F) | 28 mm (1.1 inches) | 93% | low |