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Climate · Istanbul

Istanbul in April

Mild and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Istanbul is mild: highs near 62°F, lows near 46°F. Rain falls on about two days a week, less often as the month goes on, and the days lengthen by 56 minutes from the first week to the last.April in Istanbul is mild: highs near 17°C, lows near 8°C. Rain falls on about two days a week, less often as the month goes on, and the days lengthen by 56 minutes from the first week to the last.

High
62°F17°Caverage
Low
46°F8°Caverage
Wet days
2a week · 31% of days
Daylight
13h 16mon average

Is April a good time to visit Istanbul?

April sits outside Istanbul's best months, which run in two parts: May to June, or September to October. Expect mild days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How April sits in the year

week by week

Temperature

Highs near 62°F in April, against 51°F to 86°F through the year.Highs near 17°C in April, against 11°C to 30°C through the year.

Chance of a wet day

31% of days in April, against 14% to 46% through the year.

Cloud cover

51% cover in April, against 10% to 62% through the year.

Daylight

13h 16m in April, against 9h 16m to 15h 04m through the year.

Week by week, lightly smoothed, with April shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. March54°12°low 41°low 5°3 wet days a weekRain on about three days a week.
  2. April62°17°low 46°low 8°2 wet days a weekRain on about two days a week.
  3. May71°22°low 55°low 13°1 wet day a weekRain on about one day a week.

Where Istanbul sits, in April

Europe/Istanbul
this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
6:26 AMsets 7:42 PM
Above the sea
40 mlow-lying
Latitude
41.0°Nnorthern hemisphere
Nearest of ours
Ankara350 km east

The land around Istanbul, shaded by its typical high in April, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Turkey in April

high · low · wet days
See April on the planning mapThe whole year in Istanbul

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Istanbul. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.