Weather in Istanbul in February

A hard month. February is a hard month in Istanbul, and worth planning around. Highs sit at 9.4 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

February ranks 11 of 12 — near the bottom of Istanbul's year. May is the month that works, and the swing between the two is 48 points, which is a different holiday rather than a slightly better one.

Rain on 12 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 9.4 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 3 nights fall below freezing; the day barely swings — 5.3 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest February day reached 18.2 °C and the coldest night fell to -5.5 °C, and the wettest single day dropped 31 mm — roughly 46% of the month's rain in one day.

February is moderately variable: 15 mm in the driest year against 131 mm in the wettest, around an average of 68 mm. Roughly two Februarys in three land near that average, and the third does something else entirely.

Wind is light at 15.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, which at 9.4 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How February sits in the year

Temperatures hold steady either side: 8.4 °C in January, 9.4 here, 12.1 in March. Nothing about the timing within the month matters much.

Daylight in February

10.6 hours of daylight, gaining 1.2 hours across the month. That is between Istanbul's extremes of 15.1 and 9.3 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 7.5 °C in February — too cold to swim without a wetsuit. The sea peaks at 25.6 °C in August and bottoms out at 7.5 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

February in Istanbul versus nearby

If Istanbul is one option among several, the nearby comparison is worth making. Bursa is close enough to be a coin toss — 2.5 °C warmer, the same number of rain days. Eskişehir is close enough to be a coin toss — within a degree on temperature, 2 days less rain.

So: February is a compromise. May is 43 points better and is what Istanbul is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Istanbul

See all twelve months in Istanbul, or where else to go in February.