What is the weather like in San Juan vs Ulaanbaatar in January?

In January, San Juan averages 29°C high / 23°C low with about 61 mm of rain; Ulaanbaatar averages -14°C high / -29°C low with about 2 mm.

San Juan vs Ulaanbaatar in January

San Juan is the better pick in January — 77 vs 32 on SeasonMap's comfort score. San Juan is hot, a little rain, clean air, while Ulaanbaatar is freezing, dry.

San Juan vs Ulaanbaatar — January climate, side by side

	🇵🇷 San Juan	🇲🇳 Ulaanbaatar
Comfort score	77/100 (B)	32/100 (F)
Feels-like high	31°C	-19°C
Avg high / low	29° / 23°	-14° / -29°
Rainfall	61 mm	2 mm
Rainy days	8	1
Humidity	79%	69%
Air quality (AQI)	32	92

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

San Juan vs Ulaanbaatar in January — FAQ

Is January better in San Juan or Ulaanbaatar?: San Juan is the better pick in January — 77 vs 32 on SeasonMap's comfort score. San Juan is hot, a little rain, clean air, while Ulaanbaatar is freezing, dry.
What is the weather like in San Juan vs Ulaanbaatar in January?: In January, San Juan averages 29°C high / 23°C low with about 61 mm of rain; Ulaanbaatar averages -14°C high / -29°C low with about 2 mm.