Last updated: August 27, 2025
In December, the average temperature in Ruza, Russian Federation hovers around -4°C (25°F), but be prepared for extremes; the minimum can plummet to -23°C (-9°F) while the maximum may reach up to 8°C (46°F). With 65 mm (2.6 in) of precipitation spread over 14 days, expect a damp atmosphere complemented by an average humidity of 94%.
In December in Ruza, the average temperature is -4°C (25°F). The maximum can reach 8°C (46°F) and the minimum can be as low as -23°C (-9°F). Be sure to dress warmly and prepare for significant temperature fluctuations while traveling during this time.
In Ruza in December, the precipitation amount is 65 mm (2.6 in) over the course of 14 days.
In Ruza in December, humidity is 94%. With an average temperature of -4°C (25°F), this humidity feels like a bitter chill that seeps into your bones, making travel outside uncomfortable and necessitating extra layers to stay warm and dry.
In Ruza 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 Ruza.
UV Risk Categories
Weather in Ruza varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ruza, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (22°F) | 42 mm (1.6 inches) | 97% | low |
| February Weather | -5°C (23°F) | 44 mm (1.7 inches) | 95% | low |
| March Weather | -1°C (31°F) | 43 mm (1.7 inches) | 92% | moderate |
| April Weather | 5°C (42°F) | 50 mm (2.0 inches) | 83% | moderate |
| May Weather | 12°C (54°F) | 70 mm (2.7 inches) | 75% | high |
| June Weather | 17°C (63°F) | 79 mm (3.1 inches) | 76% | high |
| July Weather | 18°C (65°F) | 110 mm (4.3 inches) | 79% | high |
| August Weather | 17°C (63°F) | 66 mm (2.6 inches) | 78% | high |
| September Weather | 12°C (54°F) | 59 mm (2.3 inches) | 86% | moderate |
| October Weather | 7°C (44°F) | 55 mm (2.2 inches) | 91% | moderate |
| November Weather | 1°C (33°F) | 43 mm (1.7 inches) | 95% | low |
| December Weather | -4°C (25°F) | 65 mm (2.6 inches) | 94% | low |