The climate in Ulaanbaatar during May can be summarized as cool and dry.
May is in the spring in Ulaanbaatar and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 1°C (34°F) is normal.
|Daytime temperature||16.3°C 61.3°F|
|Nightly temperature||1.1°C 34°F|
|Average temperature||8.7°C 47.7°F|
|Daily sunshine||10.3 hrs|
|Avg rainfall||25 mm 1 ins|
|Rainy days||8 days|
|Sea temperature||12.2°C 54°F|
|Windspeed||15.5kph 10 mph|
On average May is the 5th wettest month of the year in Ulaanbaatar with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ulaanbaatar in May 2023.
|Hottest month:||July||22°C 71.6°F|
|Driest month:||January||3mm 0.1ins|
|Coldest month:||January||-16.2°C 2.8°F|
|Wettest month:||August||86mm 3.4ins|