When to go · Arvayheer
Arvayheer in January
Avoid month. Listed as a month to avoid: Dec–Feb (very cold).
Key facts
- Verdict
- Avoid
- Temperature
- −19°C (−2°F)−2°F (−19°C) / −9°C (16°F)16°F (−9°C)
- average high / low
- Rain days
- 1
- Crowds
- Low
- Mongolia overall
- Prices
- Low
- Mongolia overall
Verdict
Listed as a month to avoid: Dec–Feb (very cold).
Is another month better than January?
January is rated avoid. These months rate higher:
Weather in January
- ArvayheerHighs around -18.9 °C (−2 °F), lows around -8.8 °C (16 °F), rain on about 1 dayHighs around −2 °F (-18.9 °C), lows around 16 °F (-8.8 °C), rain on about 1 day
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 Arvayheer, side by side.
Verdict
Jan: Avoid
Jun: Great (better)
Daytime high
Jan: -18.9 °C (−2 °F)−2 °F (-18.9 °C)
Jun: 9.6 °C (49 °F)49 °F (9.6 °C)
Night low
Jan: -8.8 °C (16 °F)16 °F (-8.8 °C)
Jun: 21.7 °C (71 °F)71 °F (21.7 °C)
Rain days
Jan: 1 (better)
Jun: 36
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).
June: Inside Arvayheer's best window: Jun–Sep.
Arvayheer: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings