Last updated: August 28, 2025
In Sangiyn Dalay, Mongolia, the average temperature in December hovers around -17°C (2°F). Expect chilling lows that can drop to -37°C (-35°F), while temperatures might occasionally peak at a milder 5°C (42°F). With an average precipitation of 4 mm (0.2 in) over just 1 day, and a notably high average humidity of 86%, prepare for a notably brisk and frosty experience!
In December in Sangiyn Dalay, the average temperature is -17°C (2°F). The maximum can reach 5°C (42°F), while the minimum can drop as low as -37°C (-35°F). It's essential to prepare for extremely cold weather and pack warm clothing if you plan to visit during this time.
In Sangiyn Dalay in December, the precipitation amount is 4 mm (0.2 in) during 1 day.
In Sangiyn Dalay in December, humidity is 86%. With an average temperature of -17°C (2°F), this humidity feels like a biting chill that penetrates your layers, making travel uncomfortable and the air heavy with a frosty dread.
In Sangiyn Dalay 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 Sangiyn Dalay, you can visit Hourly UV Index in Sangiyn Dalay.
UV Risk Categories
Weather in Sangiyn Dalay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sangiyn Dalay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -19°C (-1°F) | 3 mm (0.1 inches) | 89% | low |
| February Weather | -15°C (5°F) | 6 mm (0.2 inches) | 78% | moderate |
| March Weather | -5°C (23°F) | 10 mm (0.4 inches) | 66% | moderate |
| April Weather | 3°C (37°F) | 19 mm (0.7 inches) | 64% | very high |
| May Weather | 9°C (49°F) | 23 mm (0.9 inches) | 52% | very high |
| June Weather | 15°C (60°F) | 35 mm (1.4 inches) | 59% | very high |
| July Weather | 17°C (64°F) | 72 mm (2.8 inches) | 63% | very high |
| August Weather | 15°C (59°F) | 85 mm (3.3 inches) | 62% | very high |
| September Weather | 10°C (50°F) | 34 mm (1.4 inches) | 65% | high |
| October Weather | 0°C (33°F) | 15 mm (0.6 inches) | 65% | moderate |
| November Weather | -8°C (17°F) | 9 mm (0.4 inches) | 69% | moderate |
| December Weather | -17°C (2°F) | 4 mm (0.2 inches) | 86% | low |