Last updated: August 28, 2025
In December, the average temperature in Senj, Mongolia hovers around -15°C (4°F). While temperatures can plunge to a chilling -34°C (-29°F), the mercury might also rise to a high of 5°C (42°F). Precipitation is minimal, with only 2 mm (0.1 in) expected over 0 days, while the average humidity remains relatively high at 73%. Stay warm!
In December in Senj, the average temperature is -15°C (4°F), with maximums reaching up to 5°C (42°F) and minimums dropping as low as -34°C (-29°F). Travelers should be prepared for extreme cold and dramatic temperature fluctuations during this time.
In Senj in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Senj in December humidity is 73%. With an average temperature of -15°C (4°F), this humidity feels exceptionally biting and frigid, making travel uncomfortable as the cold air clings to your skin and seeps into your clothes, intensifying the chill and making every breath feel sharp and crisp.
In Senj in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Senj, you can visit Hourly UV Index in Senj.
UV Risk Categories
Weather in Senj varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Senj, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 1 mm (0.0 inches) | 82% | low |
| February Weather | -12°C (10°F) | 3 mm (0.1 inches) | 69% | moderate |
| March Weather | -1°C (31°F) | 5 mm (0.2 inches) | 45% | moderate |
| April Weather | 8°C (46°F) | 6 mm (0.2 inches) | 47% | high |
| May Weather | 15°C (60°F) | 16 mm (0.6 inches) | 40% | very high |
| June Weather | 22°C (72°F) | 12 mm (0.5 inches) | 45% | very high |
| July Weather | 25°C (77°F) | 40 mm (1.6 inches) | 48% | very high |
| August Weather | 21°C (70°F) | 44 mm (1.7 inches) | 57% | very high |
| September Weather | 16°C (61°F) | 13 mm (0.5 inches) | 54% | high |
| October Weather | 5°C (41°F) | 8 mm (0.3 inches) | 57% | moderate |
| November Weather | -6°C (22°F) | 3 mm (0.1 inches) | 53% | moderate |
| December Weather | -15°C (4°F) | 2 mm (0.1 inches) | 73% | low |