Republic of Türkiye
Istanbul Climate & Weather Guide
Average temperatures, rainfall and conditions through the year, based on 20 years of historical data.
Climate Overview
Istanbul experiences its warmest weather in August, with average highs reaching 28.9°C (84°F). The coolest month is typically January, averaging 8.9°C (48°F). Rainfall is heaviest in January (around 95.9mm), while August tends to be the driest month of the year with approximately 17.2mm of precipitation.
28.9°C (84°F)
Hottest month avg high
8.9°C (48°F)
Coolest month avg high
96mm
Wettest month avg
17mm
Driest month avg
Temperature by Month
Rainfall by Month
Sunshine Hours
Monthly Averages
| Month | Avg High | Avg Low | Rainfall | Rainy Days | Sunshine |
|---|---|---|---|---|---|
| Jan | 8.9°C (48°F) | 4°C (39.2°F) | 95.9mm | 13 | 5.8h |
| Feb | 9.7°C (49.5°F) | 4.3°C (39.7°F) | 71.9mm | 11 | 6.9h |
| Mar | 12.1°C (53.8°F) | 5.7°C (42.3°F) | 73.2mm | 11 | 8.2h |
| Apr | 16.1°C (61°F) | 8.7°C (47.7°F) | 46.2mm | 8 | 10.2h |
| May | 21°C (69.8°F) | 13.5°C (56.3°F) | 43mm | 7 | 12.1h |
| Jun | 25.9°C (78.6°F) | 18.4°C (65.1°F) | 39.6mm | 7 | 13.1h |
What to Pack
Suggested packing for Istanbul's climate.
Versatile Layers
Light layers that work for both mild afternoons and cooler evenings.
Rain Protection
A compact umbrella and a light rain jacket for the wettest months.
Warm Layers
A warm jacket or fleece for chilly mornings and evenings.
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