December weather forecast
Altai, Mongolia

In December, Altai is firmly in the grip of winter, with the mercury dipping to a biting -22°C (-7.6°F). The sun becomes a rare sight, limiting daylight hours to a mere 8.7 hours, and the number of sunny hours drops to 6. Weather patterns mirror those of January, less the extreme cold, giving locals and tourists a taste of the frigid season ahead. December is a month of anticipating the New Year, all while enduring harsh winter conditions, characteristic of Altai, Mongolia.

Temperature

In the transition to December, Altai observes a drop in the average high-temperature, moving from -3°C (26.6°F) in November to a still freezing cold -8°C (17.6°F). Against the backdrop of high daytime temperatures, an average low-temperature of -22°C (-7.6°F) is noted during December nights.

Rainfall

In December, in Altai, the rain falls for 3 days. Throughout December, 2mm (0.08") of precipitation is accumulated. In Altai, during the entire year, the rain falls for 74 days and collects up to 153mm (6.02") of precipitation.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 08:57 and sunset at 17:50. On the last day of December, sunrise is at 09:18 and sunset at 17:58 +08.

Sunshine

December has the least sunshine of the year, with an average of 6h of sunshine.

UV index

The months with the lowest UV index in Altai are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.