August remains warm with generally good weather for travel, though occasional rain showers are possible. The countryside is green and rivers are navigable in places. This is a peak period for trekking, cultural visits and birding.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Mongolia in August.
August continues to offer warm days and cool nights across the central highlands; late summer thunder brings greener pastures and active rivers around the Orkhon and Selenge. Tourist numbers begin to recede after Naadam, making this a pleasant month for riding and exploring Karakorum with less congestion. Be prepared for midges and intermittent rain showers; waterproofs and gaiters remain useful for river crossings.
Dalanzadgad, Khongoryn Els, Bayanzag
August keeps high daytime heat, though cloud build-ups can produce dramatic late-afternoon storms that flush the air and freshen the dunes; daytime ranges 25-35°C are common. The sudden rains refill desert pools and make ephemeral plants spike briefly into life, a surprising turn for photographers. Expect dusty roads to become sticky after storms; a reliable guide and a spare tyre are prudent.
Bayan-Ölgii, Khovd, Altai Tavan Bogd
August continues to offer pleasant alpine conditions though afternoon thunderstorms become more frequent, with sudden electrical storms on exposed ridges. Valleys are lush and grazing is at its peak-this is an excellent month for staying with nomad families and seeing traditional herding life. Book local permits and horse support early as guide availability can become limited in popular ranges.
Khatgal, Murun, Khovsgol National Park
August keeps mild, stable weather with warm afternoons and cool nights, making it another excellent month for hiking around the taiga and exploring the northern shore and headwaters. Clear nights are good for stargazing and the water remains inviting for dips; some guesthouses begin to reduce services toward late August as families prepare for autumn. Pack layering options for cool dawns and occasional rain.
Choibalsan, Onon River, Mongol Daguur
August remains warm with diminishing thunderstorm frequency and the grasslands heavy with late summer growth-excellent for long-range wildlife spotting and photography. Roads dry out after summer rains, improving access to remote reserves and cross-border routes toward Russia. The evenings cool considerably, so a packable fleece and insect protection remain smart choices for dusk and early mornings.
There are no major festivals or events in Mongolia during August to be aware of.
See how August compares with the rest of the year, then read the full guide.