Mongolia has an extreme continental climate. The Gobi Desert in southern Mongolia can reach 40°C (104°F) in summer and drop to -40°C (-40°F) in winter. The winter period is long and cold, while summer is hot but short. Winter lasts from November to late April, spring from May through June, and summer from July through September.
Seasons and Best Travel Time
Mongolia's long subarctic winter is not an ideal travel period. By the time summer arrives, the snow in the Gobi Desert is replaced by sandstorms. The best time to visit Mongolia is from June to August. However, keep in mind that this period also has the highest chance of precipitation.
Sunshine and Precipitation
Mongolia experiences about [250] sunny days per year, often with clear, cloudless skies. Precipitation is generally low, averaging only 378 mm (15 in) annually in Ulaanbaatar. January and February are almost completely dry. Rainfall increases in April and May, with the highest average monthly precipitation occurring in July and August at 161 mm (6.3 in).