Istanbul weather in 2023
Istanbul weather in 2023, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Istanbul in the interactive graph
Use the graph view to inspect 2023 alongside other available years for Istanbul.
Year summary
In 2023, Istanbul averaged 19.8 C for daily highs and 12.8 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was 0.0 C from that baseline, and total precipitation was +164.1 mm from the baseline total.
The warmest month was July, with an average high of 30.9 C, while February had the lowest average low at 3.6 C.
The wettest month was November, totaling 287.5 mm. The hottest day reached 38.1 C on July 26, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 6.1 | 11.7 | 23.2 | 31 |
| February | 3.6 | 9.7 | 49.0 | 28 |
| March | 6.5 | 12.6 | 130.5 | 31 |
| April | 9.1 | 15.8 | 105.1 | 30 |
| May | 12.4 | 19.3 | 71.6 | 31 |
| June | 17.5 | 25.0 | 30.8 | 30 |
| July | 20.7 | 30.9 | 22.4 | 31 |
| August | 22.7 | 30.9 | 3.6 | 31 |
| September | 19.6 | 27.4 | 69.5 | 30 |
| October | 15.3 | 22.3 | 36.9 | 31 |
| November | 11.8 | 17.8 | 287.5 | 30 |
| December | 7.9 | 13.2 | 98.5 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | July 26, 2023 | 38.1 C |
| Coldest night | February 12, 2023 | -3.0 C |
| Wettest day | November 18, 2023 | 58.4 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.