Ulaanbaatar weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Ulaanbaatar in August. Check more long-term weather averages for Ulaanbaatar in August before you book your next holiday to Mongolia in 2025/2026.

  • 21°C maximum daytime temperature in August in Ulaanbaatar21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in August in Ulaanbaatar16
    16 days with some rainfall
  • 8°C minimum night-time temperature in August in Ulaanbaatar8
    8°C min night temperature
  • 14 hours of daylight per day in August in Ulaanbaatar14
    14 hours of daylight per day
  • No heat & humidity in August in Ulaanbaatar0
    No heat & humidity
  • 86 mm monthly rainfall in August in Ulaanbaatar86
    86 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Ulaanbaatar7
    7 (High) UV index

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The August 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.

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

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How hot is it in Ulaanbaatar in August?

Daytime temperatures usually reach 21°C in Ulaanbaatar in August, falling to 8°C at night.

How sunny is it in Ulaanbaatar in August?

There are normally 8 hours of bright sunshine each day in Ulaanbaatar in August - that's 58% of daylight hours.

Does it rain in Ulaanbaatar in August?

There are usually 16 days with some rain in Ulaanbaatar in August and the average monthly rainfall is 86mm.

Ulaanbaatar August sunrise & sunset times

Browse the sunrise and sunset times for Ulaanbaatar in August 2025. Select a month to view Ulaanbaatar sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:29 20:28
Saturday, 16th August 2025 05:49 20:04
Sunday, 31st August 2025 06:09 19:36

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