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The temperatures in Istanbul in January are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Istanbul. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Istanbul during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Istanbul.
Our weather forecast can give you a great sense of what weather to expect in Istanbul in January 2025.
If you’re planning to visit Istanbul in the near future, we highly recommend that you review the 14 day weather forecast for Istanbul before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 8 | 17 | 5 | 103 mm | Awful | Istanbul in January |
| February | 10° / 6° | 7 | 19 | 3 | 90 mm | Awful | Istanbul in February |
| March | 12° / 7° | 7 | 23 | 2 | 84 mm | Awful | Istanbul in March |
| April | 16° / 10° | 5 | 25 | 0 | 67 mm | Good | Istanbul in April |
| May | 22° / 15° | 5 | 26 | 0 | 62 mm | Good | Istanbul in May |
| June | 26° / 20° | 4 | 26 | 0 | 64 mm | Perfect | Istanbul in June |
| July | 28° / 23° | 1 | 30 | 0 | 28 mm | Perfect | Istanbul in July |
| August | 28° / 23° | 1 | 30 | 0 | 19 mm | Perfect | Istanbul in August |
| September | 25° / 21° | 3 | 27 | 0 | 63 mm | Perfect | Istanbul in September |
| October | 20° / 16° | 4 | 27 | 0 | 99 mm | Good | Istanbul in October |
| November | 16° / 13° | 4 | 26 | 0 | 65 mm | Good | Istanbul in November |
| December | 11° / 8° | 7 | 22 | 1 | 100 mm | Bad | Istanbul in December |