Kathmandu vs Ulaanbaatar: which is better, month by month

Kathmandu beats Ulaanbaatar in 7 of 12 months — its lead peaks in November (92 vs 40) — while Ulaanbaatar wins May to September.

Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Kathmandu

🇳🇵 Nepal · mild climate

Best month: November 92/100
Months won: 7 of 12

Ulaanbaatar

🇲🇳 Mongolia · arid climate

Best month: June 93/100
Months won: 5 of 12

Kathmandu vs Ulaanbaatar — all 12 months

Month	Kathmandu	Ulaanbaatar	Winner	Gap
January	76Bnice, a little rain, poor air quality	32Ffreezing, dry	Kathmandu	44
February	85Anice, a little rain, poor air quality	35Ffreezing, dry	Kathmandu	50
March	88Awarm, a little rain	53Dfreezing, dry	Kathmandu	35
April	82Ahot, rainy	70Bcold, dry, clean air	Kathmandu	12
May	64Chot, soaked, poor air quality	81Acool, dry, clean air	Ulaanbaatar	17
June	49Fsweltering, soaked, muggy air	93Snice, a little rain, clean air	Ulaanbaatar	44
July	43Fsweltering, soaked, muggy air	90Swarm, a little rain, clean air	Ulaanbaatar	47
August	45Fsweltering, soaked, muggy air	87Anice, a little rain, clean air	Ulaanbaatar	42
September	50Dhot, soaked, muggy air	78Bcool, a little rain, clean air	Ulaanbaatar	28
October	73Bhot, rainy, muggy air	63Ccold, dry, clean air	Kathmandu	10
November	92Swarm, dry, poor air quality	40Ffreezing, dry, reliable snow	Kathmandu	52
December	80Anice, dry, poor air quality	29Ffreezing, dry, poor air quality	Kathmandu	51

A month is a tie when the two are within 3 points. The widest gap is November (92 vs 40). Tap a month for that month's temperature, rain, humidity and air quality side by side.