Weather in Istanbul in January
January in Istanbul is cool with average temperatures around 6.0°C (42.8°F). Moderate rainfall of 79mm spread over 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
8.3°C
46.9°F
Low
3.6°C
38.5°F
Precipitation
79 mm
3.1 inches
~13 rainy days
Conditions
Humidity
84%