Climate averages 1991–2020

Weather in Mongolia.

ClimaNote covers 3 cities in Mongolia, starting with Ulan Bator, Erdenet and Darhan. Open a city for charts and a table of all 12 months.

Across these cities the yearly average high ranges from 6.6°C in Erdenet to 8.8°C in Darhan, and yearly precipitation from 314 mm in Ulan Bator to 374 mm in Erdenet. The hottest city-month is July in Darhan, with an average high of 27.2°C, and the coolest is January in Darhan, at -12.9°C. By single month, the most precipitation falls in July in Erdenet, with 91 mm, and the least in January in Erdenet, with 1.4 mm.

July is the warmest month in every city; January is the coolest in every city. August is the wettest month in 2 cities and July in 1; January is the driest in every city. Of these cities, all have a month with an average high below 2.0°C; none has a month with under 1 mm of precipitation or a month with more than 300 mm of precipitation.