Last updated: August 27, 2025
In December, the average temperature in Krasnyy Klyuch, Russian Federation hovers around -9°C (16°F). Expect a chilling minimum of -29°C (-19°F), while highs can reach up to 4°C (40°F). Be prepared for some damp days, as precipitation amounts to 44 mm (1.7 in) spread across approximately 11 days, with an average humidity of 90%—perfect conditions for a winter wonderland!
In December in Krasnyy Klyuch, the average temperature is -9°C (16°F). The maximum can reach 4°C (40°F), while the minimum can drop as low as -29°C (-19°F). Travelers should be prepared for chilly conditions and dress warmly to fully enjoy their visit.
In Krasnyy Klyuch in December, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.
In Krasnyy Klyuch in December, humidity is 90%. With an average temperature of -9°C (16°F), this humidity feels like a challenging mix of bone-chilling cold and dampness that makes traveling outside uncomfortable, as the frigid air clings to your skin and can quickly sap your warmth, leaving you yearning for indoor comforts.
In Krasnyy Klyuch 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 Krasnyy Klyuch.
UV Risk Categories
Weather in Krasnyy Klyuch varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Krasnyy Klyuch, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 54 mm (2.1 inches) | 97% | low |
| February Weather | -10°C (15°F) | 59 mm (2.3 inches) | 96% | low |
| March Weather | -5°C (24°F) | 55 mm (2.2 inches) | 95% | moderate |
| April Weather | 4°C (39°F) | 51 mm (2.0 inches) | 89% | moderate |
| May Weather | 12°C (54°F) | 51 mm (2.0 inches) | 73% | high |
| June Weather | 15°C (60°F) | 95 mm (3.8 inches) | 72% | high |
| July Weather | 19°C (67°F) | 87 mm (3.4 inches) | 75% | high |
| August Weather | 17°C (63°F) | 78 mm (3.1 inches) | 72% | high |
| September Weather | 10°C (51°F) | 77 mm (3.0 inches) | 85% | moderate |
| October Weather | 5°C (40°F) | 66 mm (2.6 inches) | 91% | moderate |
| November Weather | -4°C (25°F) | 56 mm (2.2 inches) | 94% | low |
| December Weather | -9°C (16°F) | 44 mm (1.7 inches) | 90% | low |