Ulaanbaatar weather in May 2025

Expect 16°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Ulaanbaatar in May. Check more long-term weather averages for Ulaanbaatar in May before you book your next holiday to Mongolia in 2025/2026.

  • 16°C maximum daytime temperature in May in Ulaanbaatar16
    16°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in May in Ulaanbaatar8
    8 days with some rainfall
  • 1°C minimum night-time temperature in May in Ulaanbaatar1
    1°C min night temperature
  • 15 hours of daylight per day in May in Ulaanbaatar15
    15 hours of daylight per day
  • No heat & humidity in May in Ulaanbaatar0
    No heat & humidity
  • 25 mm monthly rainfall in May in Ulaanbaatar25
    25 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Ulaanbaatar6
    6 (High) UV index

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The May 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 warm is it in Ulaanbaatar in May?

Daytime temperatures usually reach 16°C in Ulaanbaatar in May, falling to 1°C at night.

How sunny is it in Ulaanbaatar in May?

There are normally 10 hours of bright sunshine each day in Ulaanbaatar in May - that's 63% of daylight hours.

Does it rain in Ulaanbaatar in May?

There are usually 8 days with some rain in Ulaanbaatar in May and the average monthly rainfall is 25mm.

Ulaanbaatar May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:35 20:05
Friday, 16th May 2025 05:13 20:25
Saturday, 31st May 2025 04:58 20:42

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