Ulaanbaatar
Mongolia
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Ulaanbaatar, Mongolia

The valley city of Ulaanbaatar in Mongolia, viewed from above, with the distant view of the mountain ranges
  • The average high temperature in May: 17.8°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-15.6°C).

  • The average low temperature in May: 3.3°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-25.9°C).

  • The average humidity in May: 46%

Months with the highest relative humidity are January and December (78%).
The month with the lowest relative humidity is May (46%).

  • The average rainfall in May: 21mm

The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the lowest rainfall) is January (2mm).

  • The average rainfall days in May: 7 days

The month with the highest number of rainy days is July (16 days).
The month with the lowest number of rainy days is February (0 days).

  • The average snowfall days in May: 3 days

The month with the highest number of snowfall days is December (10 days).
The month with the lowest number of snowfall days is July (0.2 days).

  • The average daylight in May: 15h

Months with the longest days are June and July (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8h).

  • The average sunshine in May: 9.7h

The month with most sunshine is May (Average sunshine: 9.7h).
The month with least sunshine is December (Average sunshine: 5h).

  • The average UV index in May: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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