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TurkeyThe climate of Istanbul
The current climate in Istanbul features temperatures ranging from a high of 30°C to a low of 10°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around 5°C and in the warmer months around 23°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Istanbul, Turkey.
Temperature records
The highest temperature recorded in Istanbul in recent years was 39°C in July 2023. The lowest daytime temperature recorded was -2°C in January 2015.
Precipitation and snowfall
On average, Istanbul gets 725 mm of precipitation each year. Of this, about 21 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Turkey? Check out the climate and weather for spots like Antalya, Bodrum, Belek, or explore other destinations in Turkey.
Best time to visit Istanbul?
The best time to visit Istanbul for sunny weather is April through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Istanbul. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Find affordable trips to Istanbul
Climate Table of Istanbul
The climate table of Istanbul shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 10 | 12 | 13 | 18 | 22 | 27 | 30 | 30 | 26 | 21 | 17 | 13 |
| Temp. min (°C) | 5 | 6 | 7 | 10 | 15 | 20 | 22 | 23 | 20 | 15 | 12 | 8 |
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| Precipitation (mm) | 114 | 100 | 60 | 43 | 44 | 41 | 27 | 25 | 50 | 53 | 82 | 86 |
| Snow (cm) | 14 | 5,2 | 1,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,9 |
| UV Index | 3 | 4 | 4 | 7 | 6 | 6 | 5 | 7 | 6 | 4 | 3 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Popular destinations in Turkey
Discover the climate of these popular destinations in Turkey.
Temperature charts
These charts display the average temperatures in Istanbul, Turkey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Istanbul
Yearly Temperature in Istanbul
Precipitation charts
These charts show the average amount of precipitation in Istanbul, Turkey. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Istanbul
Total Yearly Precipitation in Istanbul
Average Snowfall per Month in Istanbul
Total Yearly Snowfall in Istanbul
UV index chart
This chart shows the average UV index per month in Istanbul, Turkey. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Istanbul
Weather experiences in Istanbul
The weather in Istanbul is rated an average of 4,5 out of 5 stars by 2 visitors. Have you been to Istanbul? Share your weather experience to help other visitors.
Rose Bernadina
We, me and my daughter were lucky. Sunshine every day. And enjoyed in Istanbul . I want to go again next year with God's will .
JohannaBeen 8 days 1 day constant rain and cold, 1 day heavily cloudy , the rest light to cloudless and in the middle of the day very warm 26 degrees. Breeze in the morning and evening and at night it cooled down to 16 degrees.
Have you been to Istanbul?
Share your weather experiences in Istanbul.
Average weather in Istanbul by month
Click on a month below to see detailed weather info for Istanbul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.