Istanbul weather in April 2025

Expect 16°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Istanbul in April. Check more long-term weather averages for Istanbul in April before you book your next holiday to Turkey in 2025/2026.

  • 16°C maximum daytime temperature in April in Istanbul16
    16°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Istanbul11
    11 days with some rainfall
  • 7°C minimum night-time temperature in April in Istanbul7
    7°C min night temperature
  • 13 hours of daylight per day in April in Istanbul13
    13 hours of daylight per day
  • No heat & humidity in April in Istanbul0
    No heat & humidity
  • 50 mm monthly rainfall in April in Istanbul50
    50 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Istanbul5
    5 (Moderate) UV index
  • 10°C sea temperature in April in Istanbul10
    10°C sea temperature

More about Istanbul

Istanbul by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Turkey

First Choice Holiday Villages: up to 8% off holidays

  • Book online & save up to 8% on First Choice Holiday Villages
  • Destinations include Cyprus, Greece, Portugal, Spain & Turkey
  • Also save with FREE child places & low deposits
Go to First Choice Holiday Villages deal >>

View all First Choice Holiday Villages offers

The April 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)

Back to top

More about Turkey

How warm is it in Istanbul in April?

Daytime temperatures usually reach 16°C in Istanbul in April, falling to 7°C at night.

How sunny is it in Istanbul in April?

There are normally 8 hours of bright sunshine each day in Istanbul in April - that's 58% of daylight hours.

Is the sea cold around Istanbul in April?

The average sea temperature around Istanbul in April is 10°C.

Does it rain in Istanbul in April?

There are usually 11 days with some rain in Istanbul in April and the average monthly rainfall is 50mm.

Istanbul April sunrise & sunset times

Browse the sunrise and sunset times for Istanbul in April 2025. Select a month to view Istanbul sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:47 19:29
Tuesday, 15th April 2025 06:25 19:44
Wednesday, 30th April 2025 06:03 20:00

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^