Weather in Istanbul for January 2026
With an average of 3 snowy days, Istanbul usually enjoys a light touch of snow in January.
In general, the average temperature in Istanbul at the beginning of January is 12.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.7 °C by the end of January.
Istanbul in January brings notable rainfall, with an average of 20 rainy days and a total precipitation of 86.1 mm.
Is January a good time to visit Istanbul? check out the best time to travel to Istanbul page.
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Istanbul Weather January
Temperatures trend during January in Istanbul
January weather in Istanbul day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Patchy rain possible | 12° /8° | 0.4 mm | 3 | |
| 2 Jan. |  Sunny | 12° /8° | 1.2 mm | 4 | |
| 3 Jan. |  Partly cloudy | 13° /8° | 0.3 mm | 4 | |
| 4 Jan. | Partly cloudy | 13° /9° | 0.4 mm | 3 | |
| 5 Jan. | Sunny | 13° /9° | 0.7 mm | 4 | |
| 6 Jan. |  Overcast | 13° /9° | 0 mm | 3 | |
| 7 Jan. | Partly cloudy | 13° /9° | 2 mm | 3 | |
| 8 Jan. |  Cloudy | 13° /9° | 1.4 mm | 3 | |
| 9 Jan. |  Moderate or heavy rain shower | 12° /7° | 7.1 mm | 3 | |
| 10 Jan. | Patchy rain possible | 11° /8° | 4.9 mm | 3 | |
| 11 Jan. | Patchy rain possible | 11° /7° | 1.9 mm | 3 | |
| 12 Jan. | Moderate or heavy rain shower | 10° /5° | 12.9 mm | 3 | |
| 13 Jan. | Patchy rain possible | 7° /4° | 12.6 mm | 2 | |
| 14 Jan. | Patchy rain possible | 7° /3° | 2.5 mm | 2 | |
| 15 Jan. | Moderate or heavy rain shower | 8° /4° | 1.7 mm | 2 | |
| 16 Jan. | Sunny | 9° /4° | 3.1 mm | 3 | |
| 17 Jan. | Overcast | 9° /4° | 1.7 mm | 2 | |
| 18 Jan. |  Light freezing rain | 10° /5° | 1.3 mm | 3 | |
| 19 Jan. | Patchy rain possible | 9° /5° | 1 mm | 3 | |
| 20 Jan. | Sunny | 10° /3° | 4.2 mm | 3 | |
| 21 Jan. | Cloudy | 10° /5° | 3.5 mm | 3 | |
| 22 Jan. | Cloudy | 10° /5° | 0.9 mm | 3 | |
| 23 Jan. | Partly cloudy | 9° /6° | 1.1 mm | 3 | |
| 24 Jan. | Patchy rain possible | 9° /6° | 1.4 mm | 2 | |
| 25 Jan. | Patchy rain possible | 8° /5° | 5 mm | 2 | |
| 26 Jan. | Patchy rain possible | 9° /5° | 0.5 mm | 3 | |
| 27 Jan. | Moderate or heavy rain shower | 9° /4° | 6 mm | 2 | |
| 28 Jan. | Patchy rain possible | 8° /4° | 0.9 mm | 3 | |
| 29 Jan. | Partly cloudy | 8° /4° | 1.5 mm | 3 | |
| 30 Jan. | Patchy rain possible | 9° /5° | 3.7 mm | 2 | |
| 31 Jan. | Cloudy | 10° /5° | 0.3 mm | 2 | |
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Istanbul weather in January vs December vs February
| December | January | February | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 12°/9° | 10°/6° | 9°/6° |
| Rainfall | 70 mm | 86 mm | 62 mm |
| Snowfall | 0 cm | 1 cm | 4 cm |
| Wind | 22.2 km/h | 22.5 km/h | 21.9 km/h |
| Humidity | 72% | 71% | 71% |
| Rainy days | 22 days | 20 days | 15 days |
| Snow days | 0 days | 3 days | 9 days |
| Dry days | 9 days | 8 days | 5 days |
Planning a trip to Istanbul? Discover the best time to visit
Istanbul in January - FAQ
What to pack to Istanbul in January?
As you prepare for your trip to Istanbul in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istanbul, during January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
January rainfall patterns in Istanbul
Quick links
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