Ölgii Weather in December
December in Ölgii brings very low temperatures, with highs of -15°C (5°F) and nights dropping to -26°C (-15°F). Rainfall is very low this month, averaging just 2.9 mm (0.1 in).
Rainfall in Ölgii in December
Climate statistics over the past 30 years suggest around 7 days of snow, with 2.9 mm (0.1 in) average for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Ölgii in December
In December, Ölgii gets very low temperatures, with highs of -15°C (5°F). Nights cool to around -26°C (-15°F). December is part of winter. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With overnight lows of -26°C (-15°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Ölgii. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mongolia, check out our Ölgii's climate page.
Ölgii Temperature in December
Min Temperature
-26°C (-15°F)
Max Temperature
-15°C (5°F)
Chance of Rain
23%
Precipitation
2.9 mm (0.1 in)
Rainy days
7 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ölgii typically drop from around -8°C (18°F) at the start of December to approximately -11°C (12°F) by the end. Nights are very cold, with lows typically ranging from -23°C (-9°F) to -19°C (-2°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Ölgii in December
Browse day-by-day weather records for Ölgii spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ölgii historical weather extremes in December
Based on weather observations in Ölgii between 1976 and 2025, these are the recorded extremes during December.
- The coldest night in December in Ölgii was on December 20, 2012, with a minimum of -38°C (-36°F).
Best Places in Mongolia in December
Find out more about the weather in Mongolia and which places have the best travel conditions in this month. See all of Mongolia in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Ölgii in December
We recommend you pack up your warm winter gear for Ölgii in December. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. Almost no rain is expected, so no need to bring rain gear.What To Do in Ölgii in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mongolia, check out our Ölgii's climate page.
See the full Ölgii climate overview or explore weather in Mongolia.
