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Best Time to Visit Mongolia

Climate based on Ulaanbaatar • 2015–2024

The best overall weather in Mongolia is in July, with average highs around 25°C. The single best 14-day window: Jul 5 - Jul 18. The hottest month is July (25°C highs) and the coolest is January (-12°C highs).

Year-at-a-glance heatmap

Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.

1
5
10
15
20
25
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Freezingbelow 0°C
  • Very Cold0–5°C
  • Cold5–12°C
  • Fresh12–18°C
  • Comfortable18–25°C
  • Warm25–30°C
  • Very Warm30–39°C
  • Smoking Hot39°C+

Best 14-day travel windows

Top pick
Jul 5 - Jul 18
14-day window • Avg 19°C • Comfortable
Alternative 1
Jul 21 - Aug 3
14-day window • Avg 19°C • Comfortable
Alternative 2
Jun 20 - Jul 3
14-day window • Avg 18°C • Comfortable

Month-by-month breakdown

January

Freezing
-18°Cavg
  • -13°C / -24°C
  • 2mm total
  • 8.0h sun/day

February

Freezing
-14°Cavg
  • -8°C / -20°C
  • 3mm total
  • 9.4h sun/day

March

Very Cold
-4°Cavg
  • 2°C / -10°C
  • 8mm total
  • 10.7h sun/day

April

Cold
3°Cavg
  • 9°C / -3°C
  • 19mm total
  • 11.1h sun/day

May

Fresh
9°Cavg
  • 17°C / 2°C
  • 27mm total
  • 12.0h sun/day

June

Comfortable
16°Cavg
  • 22°C / 9°C
  • 53mm total
  • 12.0h sun/day

July

Comfortable
19°Cavg
  • 25°C / 13°C
  • 86mm total
  • 11.2h sun/day

August

Comfortable
16°Cavg
  • 22°C / 11°C
  • 88mm total
  • 11.1h sun/day

September

Fresh
11°Cavg
  • 16°C / 5°C
  • 41mm total
  • 9.8h sun/day

October

Cold
2°Cavg
  • 7°C / -4°C
  • 15mm total
  • 9.0h sun/day

November

Freezing
-9°Cavg
  • -4°C / -14°C
  • 10mm total
  • 7.8h sun/day

December

Freezing
-16°Cavg
  • -12°C / -21°C
  • 3mm total
  • 7.4h sun/day

Plan your trip to Mongolia

Found your dates? Use TimeOffCalendar to line up the trip with your time off, public holidays, and your partner's schedule. Free for one person, forever.

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Climate data from Open-Meteo Archive API. Daily normals computed from 10 years of historical observations.
Best Time to Visit Mongolia (2026): Month-by-Month Weather Calendar