Istanbul Weather by Month: Temperatures, Rain and Sea Water
What's Istanbul's weather like each month? Official averages from Türkiye's met service: highs and lows, rain, sea temperature, daylight and the best months.
Sareban Hotel
Istanbul by month
Istanbul by month: 13 travel articles written by the Sareban Hotel team in Sultanahmet — practical, up-to-date advice for understanding and planning Istanbul.
Istanbul in January: Quiet Museums, Salep and Winter Light
Visiting Istanbul in January? Expect cool, rainy days and short queues. What to pack, indoor highlights, hammams, winter street food and a two-day plan.
Istanbul in February: Late Winter and a Ferry to the Asian Side
Istanbul in February: weather, chance of snow, what to wear and what to see. A winter ferry to Üsküdar, cosy museums and a note on Ramadan dates.
Istanbul in March: Fickle Weather, First Blossoms and the Golden Horn
Istanbul in March: changeable weather, layered packing, early blossoms and walks through Balat, Fener and Eyüp, plus notes on national days and Ramadan.
Istanbul in April: Tulip Season, Children's Day and a Bosphorus Spring
Istanbul in April: tulips at Emirgan Park, 23 April Children's Day, spring weather, what to wear and a day plan for peak tulip season on the Bosphorus.
Istanbul in May: Judas Trees, the Conquest Anniversary and Long Days
Istanbul in May: warm spring weather, Judas trees on the Bosphorus, 19 May and the 29 May conquest anniversary, crowd tips and two themed day plans.
Istanbul in June: The Princes' Islands, Sea Breezes and Long Evenings
Istanbul in June: early-summer weather, long days, a day trip to the Princes' Islands, evening walks on the Marmara shore, what to wear and practical tips.
Istanbul in July: A Plan That Works With the Heat
Istanbul in July: hot, humid weather and peak crowds. Cool cisterns, shady parks, evening ferries, mosque-friendly summer outfits and heat-smart tips.
Istanbul in August: Family Holidays, Warm Seas and Victory Day
Istanbul in August: travelling with kids in the hottest month, hands-on museums, the Beşiktaş and Ortaköy waterfront, 30 August Victory Day and tips.
Istanbul in September: The Locals' Favourite Month
Istanbul in September: a still-warm sea, thinning crowds, the new art season, bird migration over the Bosphorus and a Galata–Karaköy art route.
Istanbul in October: Golden Light, Long Walks and Republic Day
Istanbul in October: crisp, clear weather, golden autumn light, 29 October Republic Day, Sinan's great mosques and a walk along the Theodosian land walls.
Istanbul in November: Lodos Winds, Remembrance Day and Quiet Museums
Istanbul in November: cool, wet weather, lodos storms, the 10 November remembrance, marathon day, anchovy season and quiet low-season sightseeing tips.
Istanbul in December: Short Days, Gift Bazaars and Year's End
Istanbul in December: cool, wet weather, short days, gift shopping in the Spice Bazaar, Mevlana week, New Year's Eve crowds and tips for families.