Best of Istanbul 1, 2 or 3-Day Private Guided Istanbul Tour
5.010,496 reviews7h
from €82
Check availabilityBest months
May, June, and October
Warmest month
August, 32°C
Wettest month
January, 118 mm
Istanbul weather by month
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | 12°C / 5°C | 118 mm · 11 days | Cold |
| February | 12°C / 5°C | 98 mm · 9 days | Fair |
| March | 15°C / 6°C | 69 mm · 8 days | Fair |
| April | 19°C / 10°C | 55 mm · 6 days | Fair |
| May | 23°C / 14°C | 55 mm · 6 days | Great |
| June | 28°C / 19°C | 52 mm · 4 days | Good |
| July | 32°C / 22°C | 23 mm · 2 days | Hot |
| August | 32°C / 23°C | 34 mm · 3 days | Hot |
| September | 28°C / 19°C | 61 mm · 4 days | Good |
| October | 22°C / 14°C | 60 mm · 5 days | Great |
| November | 18°C / 11°C | 105 mm · 7 days | Fair |
| December | 14°C / 7°C | 114 mm · 10 days | Wet |
Istanbul by season
Spring
Spring is arguably Istanbul's finest season. The city awakens with mild temperatures, blooming tulips in parks like Emirgan Grove, and clear, sunny days perfect for sightseeing.
- + Ideal weather (15-20°C)
- + Beautiful flowers and greenery
- + Fewer crowds than summer
- − Occasional rain showers
- − Can be unpredictable, requiring layers
Summer
Hot, sunny, and extremely busy. The city is vibrant with festivals and outdoor dining, but major sights are packed, and the heat can be intense.
- + Long daylight hours
- + Vibrant atmosphere and festivals
- + Perfect for Bosphorus swims and rooftop bars
- − High crowds and queues
- − Hot and humid (often 28-35°C)
Autumn
A second perfect season. The summer heat fades, leaving warm, golden days and cool evenings. The city is less crowded, and the Bosphorus takes on a beautiful, crisp light.
- + Pleasant, mild weather
- + Beautiful autumn colors
- + Cultural season begins
- − Increased chance of rain later in the season
- − Days get shorter
Winter
Cold, damp, and often gray, but with a unique charm. You might see the city dusted with rare snow, and the indoor attractions like museums and mosques are crowd-free.
- + Lowest tourist crowds
- + Dramatic, moody atmosphere
- + Great for museum visits and cozy cafes
- − Cold (3-10°C) and often rainy/snowy
- − Some outdoor attractions less enjoyable
Istanbul month by month
Istanbul in January
ColdIn January, Istanbul averages highs of 12°C and lows of 5°C, with about 11 rainy days and 118 mm of rain. It is cold, so pack warm layers.
Istanbul in February
FairIn February, Istanbul averages highs of 12°C and lows of 5°C, with about 9 rainy days and 98 mm of rain. Expect mixed weather, with comfortable spells.
Istanbul in March
FairIn March, Istanbul averages highs of 15°C and lows of 6°C, with about 8 rainy days and 69 mm of rain. Expect mixed weather, with comfortable spells.
Istanbul in April
FairIn April, Istanbul averages highs of 19°C and lows of 10°C, with about 6 rainy days and 55 mm of rain. Expect mixed weather, with comfortable spells.
Istanbul in May
GreatIn May, Istanbul averages highs of 23°C and lows of 14°C, with about 6 rainy days and 55 mm of rain. It is one of the most comfortable months for sightseeing.
Istanbul in June
GoodIn June, Istanbul averages highs of 28°C and lows of 19°C, with about 4 rainy days and 52 mm of rain. It is a good month to visit.
Istanbul in July
HotIn July, Istanbul averages highs of 32°C and lows of 22°C, with about 2 rainy days and 23 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Istanbul in August
HotIn August, Istanbul averages highs of 32°C and lows of 23°C, with about 3 rainy days and 34 mm of rain. It is hot, so plan sightseeing for mornings and evenings.
Istanbul in September
GoodIn September, Istanbul averages highs of 28°C and lows of 19°C, with about 4 rainy days and 61 mm of rain. It is a good month to visit.
Istanbul in October
GreatIn October, Istanbul averages highs of 22°C and lows of 14°C, with about 5 rainy days and 60 mm of rain. It is one of the most comfortable months for sightseeing.
Istanbul in November
FairIn November, Istanbul averages highs of 18°C and lows of 11°C, with about 7 rainy days and 105 mm of rain. Expect mixed weather, with comfortable spells.
Istanbul in December
WetIn December, Istanbul averages highs of 14°C and lows of 7°C, with about 10 rainy days and 114 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
Top tours and experiences in Istanbul
The tours and tickets travellers book most, with ratings and reviews from Viator.
Istanbul Bosphorus Sunset Cruise Experience on Luxury Yacht
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Istanbul Taste of Two Continents Food Tour - Spice Market & Ferry
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Istanbul Mega Lufer Dinner Cruise Bosphorus and Show Pvt Table
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Tours and prices from Viator, a Tripadvisor company. Prices change with your dates. We may earn a commission if you book, at no extra cost to you.
Plan your Istanbul trip
Best time to visit Istanbul: FAQ
What is the best month to visit Istanbul?+
October is the most comfortable month on average, with highs of 22°C. May and June are close behind.
What is the rainiest month in Istanbul?+
January is the wettest month, with about 118 mm of rain.
How hot does Istanbul get?+
August is the warmest month, with average highs of 32°C and lows of 23°C. The coldest nights come in January, averaging 5°C.
Averages for 2006–2025 from the ISTANBUL BOLGE (KARTAL) weather station (19 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.