İzmit weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – September
What is the weather like in İzmit in January?
In January, İzmit is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 9.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 91 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in İzmit.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 27 | 16 | 24 |
| Day | 11° | 9° | 11° |
| Night | 4° | 2° | 2° |
| Sea | 12° | 9° | 8° |
| Sun | 2 h | 2 h | 3 h |
| Rain days | 13 | 13 | 13 |
More details for January
- Daylight
- 9 h 33 min08:22 – 17:55
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 68 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 3 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Istanbul
How the score comes together
- Temperatureweight 50 %12 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
İzmit in January: quick answers
Is İzmit hot in January?
No. In January, İzmit is cold: daytime highs average 9 °C and nights drop to about 2 °C.
Can you swim in İzmit in January?
Only if you don't mind cold water: in January the sea averages just 9.0 °C. Comfortable swimming is possible from June to September.
Does it rain much in İzmit in January?
Rain is frequent, with about 13 rainy days and 91 mm in total.
İzmit month by month
The whole year in İzmitAll destinations: TurkeyWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences