Mongolia weather in October 2025

Expect 7°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mongolia in October. Check more long-term weather averages for Mongolia in October before you book your next holiday to Mongolia in 2025/2026.

  • 7°C maximum daytime temperature in October in Mongolia (Ulaanbaatar)7
    7°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Mongolia (Ulaanbaatar)6
    6 days with some rainfall
  • -7°C minimum night-time temperature in October in Mongolia (Ulaanbaatar)-7
    -7°C min night temperature
  • 11 hours of daylight per day in October in Mongolia (Ulaanbaatar)11
    11 hours of daylight per day
  • No heat & humidity in October in Mongolia (Ulaanbaatar)0
    No heat & humidity
  • 15 mm monthly rainfall in October in Mongolia (Ulaanbaatar)15
    15 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Mongolia (Ulaanbaatar)3
    3 (Moderate) UV index

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The October weather guide for Mongolia (Ulaanbaatar) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Mongolia destinations

Below are average maximum temperatures at popular countries, regions and places in Mongolia in October. Select a holiday destination to see more weather parameters.

All Mongolia destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Mongolia in October?

Daytime temperatures usually reach 7°C in Ulaanbaatar, Mongolia in October, falling to -7°C at night.

How sunny is it in Mongolia in October?

There are normally 7 hours of bright sunshine each day in Ulaanbaatar, Mongolia in October - that's 67% of daylight hours.

Does it rain in Mongolia in October?

There are usually 6 days with some rain in Ulaanbaatar, Mongolia in October and the average monthly rainfall is 15mm. Rain may fall as snow in this month.

Mongolia October sunrise & sunset times

Browse the sunrise and sunset times for Mongolia in October 2025. Select a month to view Mongolia sunrise and sunset times for the next 12 months. The Mongolia sunrise and sunset times shown below are for Ulaanbaatar.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:51 18:32
Thursday, 16th October 2025 07:13 18:02
Friday, 31st October 2025 07:35 17:36

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