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When to go · Altai

Altai in January

Avoid month. Listed as a month to avoid: Dec–Feb (very cold, snow).

Key facts

Verdict
Avoid
Temperature
−10°C (13°F) / −24°C (−12°F)
average high / low
Rain days
2
Crowds
Low
Mongolia overall
Prices
Low
Mongolia overall

Verdict

AvoidBest and avoid months for Altai

Listed as a month to avoid: Dec–Feb (very cold, snow).

Is another month better than January?

January is rated avoid. These months rate higher:

Weather in January

Long-term averages
  • AltaiHighs around -10.5 °C (13 °F), lows around -24.3 °C (−12 °F), rain on about 2 days
  • Western Altai, Mongolia · Ölgii, Khovd, Tavan Bogd, Uvscool

    High mountains with snow possible any month; the Golden Eagle Festival in early October is the last good week before the cold.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Tsagaan Sar (Lunar New Year) big impact

    Feb 2027 (lunar, moves yearly — check) · Mongolia

    Three official days, but many shops and restaurants close for a week; families visit elders, transport out of the city is packed.

Crowds and prices

Crowds · Mongolia overall
Low
Prices · Mongolia overall
Low

Mongolia overall: −20 to −30 °C and the worst smog of the year in Ulaanbaatar; city museums only.

Compare two months

Weather, crowds and prices for any two months in Altai, side by side.

  • Verdict

    Jan: Avoid

    Jun: Great (better)

  • Daytime high

    Jan: -10.5 °C (13 °F)

    Jun: 19.7 °C (67 °F)

  • Night low

    Jan: -24.3 °C (−12 °F)

    Jun: 7.2 °C (45 °F)

  • Rain days

    Jan: 2 (better)

    Jun: 34

  • Crowds

    Jan: Low

    Jun: Medium

  • Prices

    Jan: Low

    Jun: Medium

  • Festivals listed

    Jan: 1

    Jun: 0

January: Listed as a month to avoid: Dec–Feb (very cold, snow).

June: Inside Altai's best window: Jun–Sep.

Altai: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • Layers: a fleece or light jacket

Build the full packing list for your trip →

Across Mongolia in January →