Tomorrow in Istanbul looks
overcast, with a high of 70°
and an overnight low of 61°.
Rain is unlikely (12% chance).
Winds top out near 11 mph,
and the UV index reaches 4 (moderate).
Istanbul has a Mediterranean climate.
August is the warmest month, with average highs of 84°,
and January the coldest, when nights fall to around 39°.
January brings the most rain, on about 13 days,
while July is the sunniest, with 13.5 hours of sunshine a day.
Over a whole year it rains on roughly 106 days.
August, averaging 84°F (29°C) by day and 71°F (22°C) overnight. The hottest single day in our 2015-2024 record for this location reached 102°F (39°C).
When should I visit Istanbul?
April to July and September to October is the sweet spot for Istanbul - the dry season is running but the afternoons are still bearable. Expect 74°F (23°C) in the afternoon and around 8 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in April.
How often does it rain in Istanbul?
About 106 days bring measurable precipitation, totalling 29.6 inches (753 mm). That works out at roughly 7.1 mm on an average wet day.
When is Istanbul at its coldest?
January, with highs of 48°F (9°C) and lows near 39°F (4°C). The coldest day in the 2015-2024 record fell to 20°F (-7°C).
What is the rainiest month in Istanbul?
January, at 4.3 inches (109 mm) over about 13 days. August is the driest month, at 20 mm (0.8 in).
Is there snow in Istanbul?
Yes - about 6 days a year carry measurable snowfall, concentrated December through March.