Istanbul Holiday Weather

Weather

Spanning a vast area with seven climatic zones, Turkey experiences significant season variations from region to region. From hot and sunny summers to snowy winters, there's a perfect month of the year for every traveller to visit Istanbul.

The hot and dry summer months are the high season for travel in Istanbul. Between July and August is the peak of the tourist season. It is when the weather temperatures hover around 30°C but can go over 40°C on some days. While it's a great time to enjoy al fresco meals and swim at the beach, you can expect thick crowds of tourists and long queues.

Istanbul Weather by Month

January

The weather in Istanbul in January is typically cold, although it will not be as brutally cold as what you can experience in many other countries. While the temperature will vary in January, the afternoon averages 8°C, and nighttime temperatures can dip to 4°C or below.

Snow is common, and so does rainfall. The average amount of precipitation is 100 mm, and rain could happen over 14 days. Therefore, visitors should expect chilly and damp weather when going to Istanbul in January. Don't forget to bring winter gear, such as a heavy coat, gloves, hat, waterproof boots, and sweaters. Due to the high possibility of rain showers, it's worth exploring indoor attractions when you visit Istanbul in January.

February

The weather in Istanbul in February is somewhat similar to January. However, the temperature could go down to 3°C. Like many areas in Turkey, snow is possible, although precipitation decreases to an average of 70 mm on twelve days of the month. Witness lake-effect snow in the Black Sea and the other coastal areas in the city.

Make sure you are prepared for the winter weather when visiting Istanbul in February. Pack your cold weather attire and focus on exploring indoor sights.

March

March in Istanbul can be somewhat cold and wet during the early part of the month. As the month progresses, a noticeable change will occur with temperatures starting to warm up. In the afternoon, temperatures could average at 11°C. The wet weather will also subside in March, and the average precipitation is 50mm. Rain could take place over 13 days.

March is the perfect time to bring a waterproof coat, but you don't need to bundle up with wool, scarves, socks, etc. The days will get longer, and there will be quite a bit more sun, making it feel warmer on some days.

April

April is the spring season in Istanbul, and you can expect more pleasant temperatures during this month. There will be light rain on some days, and precipitation averages 60mm over 11 days. But when it does rain, they are usually light showers, so there's no need to worry about getting stuck in heavy rains. There will be quite a few lovely sunny days with blooming flowers for the entire month.

When packing for your trip to Istanbul in April, pack a mix of clothing for cool and warm days and perhaps, a rain jacket.

May

May in Istanbul will feel like summer, with temperatures averaging at 20°C. The possibility of rain will significantly decrease, with only 40 mm over nine days, making May one of the best times to explore the outdoors of Istanbul. And since tourist crowds will not arrive until the next month or so, you can explore with fewer distractions.

When coming to Istanbul in May, most of the clothing you will pack should be ideal for warm summer weather. Bring a pair of sunglasses, sunscreen, and a hat. Consider bringing a mix of clothing, as there are days when the weather is cool, followed by hot and warm days.

June

June is when the crowds start pouring into Istanbul. The weather will get warmer, and the days will be longer and are hot and dry. Temperatures in the afternoon will average 26°C, sometimes reaching more than 30°C or higher. Visiting Istanbul in June would require bringing light summer clothing, including short-sleeved tops, a wide-brimmed hat, skirts, dresses, and shorts.

If you plan on going out late at night, don't forget to bring a sweater to keep you warm. Temperatures can go down at night, averaging at 17°C. Chances of rain will significantly diminish, with average precipitation at 30mm. You can expect the areas along the coast to be wetter compared to the places inland, but a rain jacket is not yet necessary during this time of the year.

July

In July, the skies will almost always be blue. The weather is generally hot and is already warm enough for swimming, with temperatures averaging 21°C. In the afternoon, the mercury climbs to 28°C, although it rarely goes beyond 40°C. If you want to spend your Istanbul holiday swimming at the beach and enjoying al fresco diners, July is the perfect time to visit. Inland areas will be a bit cooler in the evening, and you may need to wear a sweatshirt or shirt to keep you warm.

July is a peak season for tourists in Istanbul. If you visit during this hot summer month, pack clothing suitable for warm weather, including bathing suits if you plan to go to the beach. But keep in mind that unless you are at the beach or pool, more conservative clothing is required when exploring Istanbul. Opt for light, loose, and comfortable clothing.

August

Just like July, August in Istanbul brings a lot of sunshine, with hot and dry weather. The average temperature is 28°C, but there will be quite a few days when the temperature stretches into 30°C. Chances of rain will decrease even further to just 20 mm over four days, so do not expect much for things to cool off from the rain.

August in Istanbul is about spending plenty of time at the beach, with the sea temperature averaging 22°C. Enjoy afternoon naps indoors to escape the searing heat. Pack in the same way you would for July. Bring plenty of lightweight clothing and a wide-brimmed hat to keep you protected.

September

September brings the end of the summer season. However, the first half of the month is still hot and dry. But as the month progresses, things will cool off, with the average temperature dipping to 27°C. You can expect pleasantly warm temperatures, especially during the latter part of the month. There will be higher odds of rain, averaging 50mm over eight days.

With the temperature averaging 16°C in Istanbul in September, pack a jacket or sweater, especially if you plan on going out in the evening.

October

In October, the autumn season has arrived in Istanbul, and the weather will be noticeably cooler across the country. Precipitation will increase a bit, especially in those areas along the Black Sea. Rain averages 60mm over ten days. The chances of rain will be higher as the month progresses. The average temperature in Istanbul in October is 19°C, and you can expect cold and crisp days along with warmer and sunnier days on some days.

Pack a mix of clothing when visiting Istanbul in October. Bring short and long-sleeved shirts and some sweaters. A rain jacket will also come in handy.

November

With winter approaching in Istanbul in November, the weather will take a dramatic turn, and the average temperature hovers at 14°C. If you want to enjoy warmer and sunnier days, visit early in the month. As the month progresses, it will likely feel more like the winter season, where the weather is wet and chilly.

The average precipitation in November will increase to 100mm over 13 days. Pack a warm and waterproof coat, pair of boots, and clothing that you can layer, allowing you to easily remove it in case the sun suddenly appears.

December

December is one of the coldest months in Turkey, and icy winds are more common now. While snow is less likely to appear in Istanbul, the city will feel slightly chilly, with temperatures averaging around 10°C. Meanwhile, the landscapes of Anatolia and Eastern Turkey will be dusted with a blanket of snow.

There will be an average of 100 mm precipitation over 17 days, so bring an umbrella when going out and about. Pack clothing that can help to ward off the cold and the damp, such as a waterproof coat, boots, gloves, and scarves.

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