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Monthly averages for Kayseri from the Turkish State Meteorological Service, measured over 1931–2025.
The warmest month is August, with an average high of 30.9 °C. The coldest is January, when the average low is -6.7 °C. March has the most rainy days (13.1 on average), and August the fewest (1.8).
Month by month
| Month | Avg high °C | Avg low °C | Rainy days | Sun (h/day) |
|---|---|---|---|---|
| January | 4.3 | -6.7 | 12.6 | 3 |
| February | 6.3 | -5.1 | 11.4 | 4 |
| March | 11.6 | -1.3 | 13.1 | 4.9 |
| April | 17.8 | 3.3 | 12.6 | 6.2 |
| May | 22.6 | 6.9 | 13 | 8.3 |
| June | 27 | 9.9 | 8.7 | 10.3 |
| July | 30.8 | 12.1 | 2.3 | 11.9 |
| August | 30.9 | 11.7 | 1.8 | 11.4 |
| September | 26.7 | 7.6 | 3.7 | 9.1 |
| October | 20.5 | 3.6 | 7.3 | 6.7 |
| November | 13.2 | -0.8 | 8.7 | 4.8 |
| December | 6.7 | -4.2 | 11.9 | 2.9 |
January
In January, Kayseri averages a high of 4.3 °C and a low of -6.7 °C, with about 12.6 rainy days.
February
In February, Kayseri averages a high of 6.3 °C and a low of -5.1 °C, with about 11.4 rainy days.
March
In March, Kayseri averages a high of 11.6 °C and a low of -1.3 °C, with about 13.1 rainy days.
April
In April, Kayseri averages a high of 17.8 °C and a low of 3.3 °C, with about 12.6 rainy days.
May
In May, Kayseri averages a high of 22.6 °C and a low of 6.9 °C, with about 13 rainy days.
June
In June, Kayseri averages a high of 27 °C and a low of 9.9 °C, with about 8.7 rainy days.
July
In July, Kayseri averages a high of 30.8 °C and a low of 12.1 °C, with about 2.3 rainy days.
August
In August, Kayseri averages a high of 30.9 °C and a low of 11.7 °C, with about 1.8 rainy days.
September
In September, Kayseri averages a high of 26.7 °C and a low of 7.6 °C, with about 3.7 rainy days.
October
In October, Kayseri averages a high of 20.5 °C and a low of 3.6 °C, with about 7.3 rainy days.
November
In November, Kayseri averages a high of 13.2 °C and a low of -0.8 °C, with about 8.7 rainy days.
December
In December, Kayseri averages a high of 6.7 °C and a low of -4.2 °C, with about 11.9 rainy days.
Sources
Meteoroloji Genel Müdürlüğü — Kayseri (1931–2025) (opens in a new tab)