Mongolia in December
December is Mongolia's weakest month (rank 12 of 12): its 2 destinations average 36/100, led by Gobi Desert at 43 — -7°C and 1 rainy day — while Ulaanbaatar is cooler at -18°C and scores 29.
#12 of 12 months for Mongolia · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
🇲🇳 Mongolia, month by month
36/100 in DecemberWhere in Mongolia in December
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means December is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.