Last updated: August 28, 2025
In January, the average temperature in Altan-Ovoo, Mongolia hovers around -18°C (0°F). While the minimum can plummet to -37°C (-34°F), temperatures can reach a maximum of 1°C (34°F). Expect a touch of moisture with an average precipitation of 4 mm (0.1 in) over just 1 day. With 89% average humidity, it’s safe to say that this month brings a true chill!
In January in Altan-Ovoo, the average temperature is -18°C (0°F). The maximum can reach 1°C (34°F) and the minimum can be as low as -37°C (-34°F). Travelers should be prepared for extremely cold conditions and dress accordingly to ensure comfort during their visit.
In Altan-Ovoo in January, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.
In Altan-Ovoo in January, humidity is 89%. With an average temperature of -18°C (0°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel even more arduous as you navigate through the frigid air.
In Altan-Ovoo in January, 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 Altan-Ovoo, you can visit Hourly UV Index in Altan-Ovoo.
UV Risk Categories
Weather in Altan-Ovoo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Altan-Ovoo, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -18°C (0°F) | 4 mm (0.1 inches) | 89% | low |
February Weather | -14°C (7°F) | 8 mm (0.3 inches) | 81% | moderate |
March Weather | -4°C (25°F) | 11 mm (0.4 inches) | 72% | moderate |
April Weather | 4°C (39°F) | 22 mm (0.9 inches) | 69% | high |
May Weather | 11°C (51°F) | 31 mm (1.2 inches) | 54% | very high |
June Weather | 16°C (62°F) | 55 mm (2.2 inches) | 60% | very high |
July Weather | 18°C (64°F) | 96 mm (3.8 inches) | 64% | very high |
August Weather | 15°C (60°F) | 87 mm (3.4 inches) | 65% | very high |
September Weather | 10°C (51°F) | 39 mm (1.5 inches) | 68% | high |
October Weather | 1°C (33°F) | 18 mm (0.7 inches) | 68% | high |
November Weather | -8°C (18°F) | 10 mm (0.4 inches) | 75% | low |
December Weather | -15°C (5°F) | 4 mm (0.2 inches) | 89% | low |