Istanbul weather in March 2026

Q: How warm is it in Istanbul in March?

Daytime temperatures usually reach 11°C in Istanbul in March, falling to 4°C at night.

Q: How sunny is it in Istanbul in March?

There are normally 6 hours of bright sunshine each day in Istanbul in March - that's 51% of daylight hours.

Q: Is the sea cold around Istanbul in March?

The average sea temperature around Istanbul in March is 7°C.

Q: Does it rain in Istanbul in March?

There are usually 14 days with some rain in Istanbul in March and the average monthly rainfall is 72mm.

Expect daytime maximum temperatures of 11°C in Istanbul, Turkey in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 72 mm of rainfall in the month.

11
11°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
4
4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
72
72 mm of monthly rainfall
4
4 (Moderate) UV index
7
7°C sea temperature

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The March weather guide for Turkey (Istanbul) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)