Last updated: August 27, 2025
In Kosa, Russian Federation, the average temperature in December hovers around -9°C (16°F), with extremes ranging from a chilly -32°C (-25°F) to a milder 3°C (37°F). During this time, you can expect about 50 mm (2.0 in) of precipitation spread over 13 days, accompanied by a high humidity level of 93%. Be prepared for a cold and damp atmosphere!
In December in Kosa, the average temperature is -9°C (16°F). The maximum can reach 3°C (37°F), while the minimum can drop as low as -32°C (-25°F). Travelers should be prepared for harsh winter conditions during this time.
In Kosa in December, the precipitation amount is 50 mm (2.0 in), spread over 13 days.
In Kosa in December, humidity is 93%. With an average temperature of -9°C (16°F), this humidity feels like a biting chill that seeps through your layers, making travel outside an exercise in endurance as the cold dampness wraps around you, leaving you longing for warmth and a cozy respite.
In Kosa 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 Kosa.
UV Risk Categories
Weather in Kosa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (10°F) | 41 mm (1.6 inches) | 100% | low |
| February Weather | -11°C (12°F) | 47 mm (1.9 inches) | 97% | low |
| March Weather | -5°C (23°F) | 41 mm (1.6 inches) | 95% | moderate |
| April Weather | 2°C (36°F) | 54 mm (2.1 inches) | 90% | moderate |
| May Weather | 10°C (50°F) | 62 mm (2.4 inches) | 82% | moderate |
| June Weather | 14°C (58°F) | 76 mm (3.0 inches) | 77% | high |
| July Weather | 18°C (65°F) | 105 mm (4.1 inches) | 83% | high |
| August Weather | 15°C (59°F) | 81 mm (3.2 inches) | 84% | moderate |
| September Weather | 9°C (48°F) | 73 mm (2.9 inches) | 91% | moderate |
| October Weather | 3°C (38°F) | 78 mm (3.1 inches) | 92% | low |
| November Weather | -4°C (24°F) | 59 mm (2.3 inches) | 95% | low |
| December Weather | -9°C (16°F) | 50 mm (2.0 inches) | 93% | low |