Last updated: August 28, 2025
In Tsagaanhayrhan, Mongolia, the average temperature in December hovers around -19°C (-2°F), creating a chilly atmosphere. Be prepared for minimums plummeting to -34°C (-29°F), while the mercury may rise to a maximum of 1°C (34°F) on milder days. Precipitation is minimal, with just 5 mm (0.2 in) expected over 0 days, and the air is quite humid, averaging around 90%.
In December in Tsagaanhayrhan, the average temperature is -19°C (-2°F). The maximum can reach 1°C (34°F), and the minimum can be as low as -34°C (-29°F). Travelers should be well-prepared for extreme cold and dress appropriately to enjoy their time in this frigid environment.
In Tsagaanhayrhan in December, the precipitation amount is 5 mm (0.2 in) during a span of 0 days.
In Tsagaanhayrhan in December, humidity is 90%. With an average temperature of -19°C (-2°F), this humidity feels like a biting chill that cuts through your layers, making outdoor travel uncomfortable and forcing you to seek shelter often.
In Tsagaanhayrhan 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 Tsagaanhayrhan.
UV Risk Categories
Weather in Tsagaanhayrhan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tsagaanhayrhan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -22°C (-7°F) | 3 mm (0.1 inches) | 92% | low |
| February Weather | -18°C (0°F) | 5 mm (0.2 inches) | 89% | moderate |
| March Weather | -8°C (17°F) | 13 mm (0.5 inches) | 80% | high |
| April Weather | 2°C (36°F) | 21 mm (0.8 inches) | 63% | high |
| May Weather | 9°C (49°F) | 32 mm (1.3 inches) | 52% | very high |
| June Weather | 15°C (60°F) | 56 mm (2.2 inches) | 52% | very high |
| July Weather | 17°C (62°F) | 112 mm (4.4 inches) | 58% | very high |
| August Weather | 15°C (58°F) | 96 mm (3.8 inches) | 63% | very high |
| September Weather | 9°C (48°F) | 50 mm (2.0 inches) | 65% | high |
| October Weather | -1°C (31°F) | 24 mm (0.9 inches) | 69% | moderate |
| November Weather | -11°C (12°F) | 12 mm (0.5 inches) | 77% | low |
| December Weather | -19°C (-2°F) | 5 mm (0.2 inches) | 90% | low |