Weather in Kayseri

Kayseri is in Turkey at 38.7°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing. August is the warmest month (average 21.2°C, high 29.5°C) and January is the coolest (average -2.3°C, low -6.6°C).

Rain is about 375 mm of rain spread through the year. The wettest month is May at 47 mm; the driest is August at 6 mm. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are July, August, and September.

Temperature through the year

Kayseri has a 23.5°C gap between its coolest monthly average (-2.3°C in January) and its warmest (21.2°C in August). That is a northern-hemisphere pattern.

Mean high across all twelve months is 15.9°C and mean low is 3.3°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

When Kayseri gets wet

Annual rainfall is 375 mm. May leads at 47 mm; August is lightest at 6 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. May averages 11 such days; August averages 1.

Distinctive months in Kayseri

January is the coolest month, with lows around -6.6°C and highs near 2.1°C. Rainfall is 45 mm. February brings 38 mm and 8 rainy days; temperatures run from -5.0°C to 4.6°C. March stands apart from the months beside it: 9.3°C / -1.9°C and 46 mm. April: 14.4°C high, 1.7°C low, 41 mm rain, 66% humidity. May is the wettest month — 47 mm and 11 rainy days, with 64% humidity. June brings 28 mm and 6 rainy days; temperatures run from 9.8°C to 24.5°C.

Peak heat arrives in August: 29.5°C by day, 12.9°C at night, and 45% humidity. In September, Kayseri averages 24.8°C by day and 10.0°C at night, with 14 mm of rain. In October, Kayseri averages 18.1°C by day and 5.2°C at night, with 26 mm of rain. November: 10.6°C high, -0.6°C low, 32 mm rain, 70% humidity. December stands apart from the months beside it: 4.5°C / -4.4°C and 40 mm.

Best months to visit Kayseri

The three months with the highest comfort score are July, August, and September: July (20.5°C average, 11 mm, 49% humidity); August (21.2°C average, 6 mm, 45% humidity); September (17.4°C average, 14 mm, 47% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is August. The coolest stretch is January.

How Kayseri compares inside Turkey

Adana is about 195 km away: Kayseri is 10.0°C cooler than Adana in its hottest month and 261 mm drier over the year than Adana. Adana’s wettest month is December (113 mm) versus May here.

Gaziantep is about 250 km away: Kayseri is 8.0°C cooler than Gaziantep in its hottest month and 87 mm drier over the year than Gaziantep. Gaziantep’s wettest month is December (80 mm) versus May here.

Ankara is about 262 km away: Kayseri is 1.4°C cooler than Ankara in its hottest month and 44 mm drier over the year than Ankara. Ankara’s wettest month is May (51 mm) versus May here.