Weather radar Istanbul
Real-time precipitation radar · Istanbul · Turkey
Istanbul climate table – average temperature, precipitation & sunshine hours
The climate table for Istanbul shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10.4° | 9.7° | 11.2° | 15.2° | 19.7° | 25.3° | 28.6° | 28.5° | 24.7° | 19.7° | 16.6° | 12.5° |
| Avg low (°C) | 7° | 6.1° | 7° | 10.2° | 14° | 19.4° | 22.5° | 23° | 19.8° | 15.5° | 12.6° | 9.3° |
| Precipitation (mm) | 90 | 81 | 70 | 70 | 30 | 25 | 22 | 15 | 40 | 55 | 92 | 89 |
| Rainy days | 13 | 12 | 13 | 11 | 7 | 5 | 4 | 3 | 7 | 7 | 10 | 15 |
| Sunshine hours | 188 | 214 | 264 | 294 | 363 | 402 | 417 | 380 | 320 | 265 | 202 | 177 |
| Humidity | 78% | 78% | 77% | 77% | 75% | 73% | 70% | 72% | 71% | 76% | 77% | 80% |
Best time to visit Istanbul
The best time to visit Istanbul is typically July. In this month the average high is 28.6°C, precipitation is 22 mm and sunshine duration is 417 hours. The annual average high is 18.5°C, total annual precipitation is 679 mm (107 rainy days/year) and annual sunshine is 3486 hours.
Frequently asked questions about the weather in Istanbul
How up to date is the weather radar for Istanbul?
The weather radar for Istanbul is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Istanbul?
Besides the rain radar, RadarWeather provides for Istanbul: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Istanbul?
The thunderstorm potential for Istanbul is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Istanbul.
What is the climate like in Istanbul?
Istanbul has an annual average high of 18.5°C. The warmest month is July (avg high 28.6°C), the coldest February (avg low 6.1°C). The wettest month is November with 92 mm, the driest August with 15 mm. Total annual precipitation is 679 mm (107 rainy days). Annual sunshine is 3486 hours.
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