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Monthly averages for Osmaniye from the Turkish State Meteorological Service, measured over 1986–2025.
The warmest month is August, with an average high of 34.4 °C. The coldest is January, when the average low is 3.7 °C. March has the most rainy days (10.2 on average), and August the fewest (1.2).
Month by month
| Month | Avg high °C | Avg low °C | Rainy days | Sun (h/day) |
|---|---|---|---|---|
| January | 14.8 | 3.7 | 9.4 | 2.5 |
| February | 16.2 | 4.7 | 8.6 | 3 |
| March | 19.2 | 7.4 | 10.2 | 3.9 |
| April | 23.8 | 11.1 | 9.2 | 4.7 |
| May | 27.9 | 15 | 7.5 | 5.9 |
| June | 31.4 | 19.1 | 3.3 | 5.7 |
| July | 33.7 | 22.6 | 1.4 | 5.7 |
| August | 34.4 | 23.3 | 1.2 | 5.4 |
| September | 32.3 | 19.6 | 3.1 | 5 |
| October | 28.3 | 14.5 | 6.4 | 4.1 |
| November | 21.9 | 8.5 | 6.9 | 2.8 |
| December | 16.5 | 5.2 | 8.8 | 2.4 |
January
In January, Osmaniye averages a high of 14.8 °C and a low of 3.7 °C, with about 9.4 rainy days.
February
In February, Osmaniye averages a high of 16.2 °C and a low of 4.7 °C, with about 8.6 rainy days.
March
In March, Osmaniye averages a high of 19.2 °C and a low of 7.4 °C, with about 10.2 rainy days.
April
In April, Osmaniye averages a high of 23.8 °C and a low of 11.1 °C, with about 9.2 rainy days.
May
In May, Osmaniye averages a high of 27.9 °C and a low of 15 °C, with about 7.5 rainy days.
June
In June, Osmaniye averages a high of 31.4 °C and a low of 19.1 °C, with about 3.3 rainy days.
July
In July, Osmaniye averages a high of 33.7 °C and a low of 22.6 °C, with about 1.4 rainy days.
August
In August, Osmaniye averages a high of 34.4 °C and a low of 23.3 °C, with about 1.2 rainy days.
September
In September, Osmaniye averages a high of 32.3 °C and a low of 19.6 °C, with about 3.1 rainy days.
October
In October, Osmaniye averages a high of 28.3 °C and a low of 14.5 °C, with about 6.4 rainy days.
November
In November, Osmaniye averages a high of 21.9 °C and a low of 8.5 °C, with about 6.9 rainy days.
December
In December, Osmaniye averages a high of 16.5 °C and a low of 5.2 °C, with about 8.8 rainy days.
Sources
Meteoroloji Genel Müdürlüğü — Osmaniye (1986–2025) (opens in a new tab)