Last updated: August 28, 2025
In December, the average temperature in Sangiyn Dalay, Mongolia hovers around -17°C (2°F), with potential extremes ranging from a chilling -34°C (-28°F) to a milder 0°C (32°F). The region experiences minimal precipitation, measuring just 2 mm (0.1 in) spread over 0 days, while the average humidity is notably high at 89%.
In December in Sangiyn Dalay, the average temperature is -17°C (2°F), with maximums reaching 0°C (32°F) and minimums dropping as low as -34°C (-28°F). Travelers should prepare for extremely cold conditions and pack appropriate winter clothing for their visit.
In Sangiyn Dalay in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Sangiyn Dalay in December, humidity is 89%. With an average temperature of -17°C (2°F), this humidity feels like an icy blanket enveloping you, making every breath a struggle as the cold air clings to your skin and moisture crystallizes in the air, creating a biting chill that slows your movements and tests your resolve while traveling.
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 | -18°C (0°F) | 2 mm (0.1 inches) | 89% | low |
| February Weather | -14°C (6°F) | 4 mm (0.2 inches) | 81% | moderate |
| March Weather | -6°C (21°F) | 8 mm (0.3 inches) | 60% | high |
| April Weather | 1°C (34°F) | 19 mm (0.7 inches) | 51% | extreme |
| May Weather | 7°C (45°F) | 24 mm (1.0 inches) | 35% | extreme |
| June Weather | 13°C (56°F) | 28 mm (1.1 inches) | 35% | extreme |
| July Weather | 15°C (60°F) | 57 mm (2.2 inches) | 36% | extreme |
| August Weather | 13°C (56°F) | 39 mm (1.5 inches) | 42% | very high |
| September Weather | 8°C (46°F) | 17 mm (0.7 inches) | 46% | very high |
| October Weather | -2°C (29°F) | 6 mm (0.2 inches) | 49% | moderate |
| November Weather | -10°C (15°F) | 4 mm (0.2 inches) | 64% | moderate |
| December Weather | -17°C (2°F) | 2 mm (0.1 inches) | 89% | low |