Altan-Ovoo Weather in December
What's the weather like in Altan-Ovoo (Arhangay) in December 2025?
The climate in Altan-Ovoo during December can be summarized as very cold and very dry.
December is in the winter in Altan-Ovoo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -7°C (19°F), whilst at night -20°C (-3°F) is normal.
| Daytime temperature | -7.2°C 19°F |
|---|---|
| Nightly temperature | -19.6°C -3.3°F |
| Average temperature | -13.4°C 7.9°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 3 mm 0.1 ins |
| Rainy days | 4 days |
| Sea temperature | 10.1°C 50.3°F |
| Humidity | 68% |
| Windspeed | 7.6kph 5 mph |
On average December is the 3rd driest month of the year in Altan-Ovoo with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
December temperatures in Altan-Ovoo
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Altan-Ovoo in December 2025.
Other monthly averages
Best places to visit in December
Altan-Ovoo weather stats
| Hottest month: | July | 20.7°C 69.3°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | February | 8.1hrs |
| Coldest month: | January | -9.1°C 15.6°F |
| Wettest month: | July | 92mm 3.6ins |
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