Last updated: August 28, 2025
In Ongi, Mongolia, the average temperature in December hovers around -15°C (5°F), with extremes reaching as low as -32°C (-25°F) and a peak of 4°C (40°F). The month experiences minimal precipitation, averaging only 2 mm (0.1 in) over 0 days, while the air carries a notable average humidity of 78%. Stay warm and prepared for the chilly conditions!
In December in Ongi, the average temperature is -15°C (5°F). The maximum can reach 4°C (40°F), and the minimum can be as low as -32°C (-25°F). Travelers should be prepared for extremely cold weather and dress in layers to stay warm while exploring.
In Ongi in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Ongi in December, humidity is 78%. With an average temperature of -15°C (5°F), this humidity feels like an icy blanket wrapping around you, making travel challenging as the cold air bites and moisture hangs in the air, creating a sharp contrast that can leave you feeling chilled to the bone.
In Ongi 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 Ongi, you can visit Hourly UV Index in Ongi.
UV Risk Categories
Weather in Ongi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ongi, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -16°C (3°F) | 2 mm (0.1 inches) | 77% | low |
February Weather | -12°C (11°F) | 3 mm (0.1 inches) | 65% | moderate |
March Weather | -1°C (30°F) | 8 mm (0.3 inches) | 46% | moderate |
April Weather | 8°C (46°F) | 7 mm (0.3 inches) | 46% | very high |
May Weather | 14°C (58°F) | 7 mm (0.3 inches) | 36% | very high |
June Weather | 21°C (70°F) | 8 mm (0.3 inches) | 40% | very high |
July Weather | 23°C (73°F) | 39 mm (1.6 inches) | 41% | very high |
August Weather | 20°C (68°F) | 32 mm (1.2 inches) | 43% | very high |
September Weather | 15°C (59°F) | 13 mm (0.5 inches) | 45% | high |
October Weather | 4°C (39°F) | 4 mm (0.1 inches) | 49% | moderate |
November Weather | -6°C (21°F) | 2 mm (0.1 inches) | 55% | moderate |
December Weather | -15°C (5°F) | 2 mm (0.1 inches) | 78% | low |