Istanbul vs Ulaanbaatar in December

Istanbul is the better pick in December — 68 vs 28 on SeasonMap's comfort score. Istanbul is cool, a little rain, very humid, while Ulaanbaatar is freezing, dry, poor air quality.

Istanbul vs UlaanbaatarDecember climate, side by side

IstanbulUlaanbaatar
Comfort score68/100 (C)28/100 (F)
Feels-like high10°C-17°C
Avg high / low13° / 9°-12° / -23°
Rainfall69 mm4 mm
Rainy days121
Humidity80%70%
Air quality (AQI)54122

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

Istanbul vs Ulaanbaatar in December — FAQ

Is December better in Istanbul or Ulaanbaatar?
Istanbul is the better pick in December — 68 vs 28 on SeasonMap's comfort score. Istanbul is cool, a little rain, very humid, while Ulaanbaatar is freezing, dry, poor air quality.
What is the weather like in Istanbul vs Ulaanbaatar in December?
In December, Istanbul averages 13°C high / 9°C low with about 69 mm of rain; Ulaanbaatar averages -12°C high / -23°C low with about 4 mm.