Weather in Kayseri in January
Turkey · 20-year averages, January
The month to avoid. Of the twelve, January is the one to avoid. Highs sit at 5.5 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.
January ranks 12 of 12 — near the bottom of Kayseri's year. October is the month that works, and the swing between the two is 61 points, which is a different holiday rather than a slightly better one.
Rain on 9 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 5.5 °C the difference between a good day and a miserable one is entirely down to what you are wearing.
What the averages hide
Averages flatten a month, and this one hides a few things: 22 nights drop below freezing, so anything left outside stays frozen. Across the twenty years measured, the hottest January day reached 16.1 °C and the coldest night fell to -18.8 °C, and the wettest single day dropped 31 mm — roughly 69% of the month's rain in one day.
January is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest January on record still delivered 80 mm against 4 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 45 mm average is a reasonable planning figure, not a promise.
Wind is light at 9.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 83%, which at 5.5 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.
How January sits in the year
This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.
Daylight in January
January sits at the dark end of Kayseri's year — 9.7 hours of daylight against 14.9 at midsummer, gaining 0.7 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.
An inland climate
With no coast nearby, the year swings a fair way — 36.1 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. At 1054 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
January in Kayseri versus nearby
If Kayseri is one option among several, the nearby comparison is worth making. Adana is a better bet in January — 8.2 °C warmer, 2 days more rain. Gaziantep is close enough to be a coin toss — within a degree on temperature, 2 days more rain.
So: January is a compromise. October is 61 points better and is what Kayseri is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Kayseri
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 5.5 | -3.2 | 9 | 45 | 83 | 9.7 | 30 |
| February | 8 | -1.6 | 8 | 38 | 79 | 10.7 | 45 |
| March | 12.7 | 1.5 | 9 | 46 | 72 | 11.9 | 61 |
| April | 17.8 | 5.1 | 9 | 40 | 66 | 13.2 | 77 |
| May | 22.6 | 9.4 | 11 | 47 | 63 | 14.3 | 81 |
| June | 27.9 | 13.2 | 6 | 28 | 57 | 14.9 | 86 |
| July | 32.2 | 15.6 | 2 | 11 | 49 | 14.6 | 73 |
| August | 32.9 | 16.3 | 1 | 6 | 45 | 13.7 | 72 |
| September | 28.2 | 13.4 | 3 | 14 | 47 | 12.5 | 90 |
| October | 21.5 | 8.6 | 5 | 26 | 59 | 11.3 | 91 |
| November | 14 | 2.8 | 6 | 32 | 69 | 10.1 | 70 |
| December | 7.9 | -1 | 9 | 40 | 79 | 9.5 | 44 |
See all twelve months in Kayseri, or where else to go in January.
Planning the rest of the trip
- Flight time to Kayseri how long you are actually in the air
- Kayseri time zone and the difference from home
- Days until your trip count down to the departure date