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Monthly averages for İzmir from the Turkish State Meteorological Service, measured over 1938–2025.
The warmest month is July, with an average high of 33.3 °C. The coldest is January, when the average low is 5.8 °C. December has the most rainy days (12.7 on average), and July the fewest (0.5).
Month by month
| Month | Avg high °C | Avg low °C | Rainy days | Sun (h/day) |
|---|---|---|---|---|
| January | 12.5 | 5.8 | 12.6 | 4.3 |
| February | 13.7 | 6.2 | 10.5 | 5.3 |
| March | 16.4 | 7.7 | 9.2 | 6.5 |
| April | 21 | 11.2 | 7.8 | 8 |
| May | 26.2 | 15.5 | 5.3 | 9.8 |
| June | 30.8 | 19.9 | 2.3 | 11.6 |
| July | 33.3 | 22.6 | 0.5 | 12.4 |
| August | 33 | 22.5 | 0.6 | 12 |
| September | 29.3 | 18.8 | 1.9 | 10.1 |
| October | 24.1 | 14.7 | 5.3 | 7.6 |
| November | 18.7 | 10.8 | 8.8 | 5.6 |
| December | 14.2 | 7.6 | 12.7 | 4.2 |
January
In January, İzmir averages a high of 12.5 °C and a low of 5.8 °C, with about 12.6 rainy days.
February
In February, İzmir averages a high of 13.7 °C and a low of 6.2 °C, with about 10.5 rainy days.
March
In March, İzmir averages a high of 16.4 °C and a low of 7.7 °C, with about 9.2 rainy days.
April
In April, İzmir averages a high of 21 °C and a low of 11.2 °C, with about 7.8 rainy days.
May
In May, İzmir averages a high of 26.2 °C and a low of 15.5 °C, with about 5.3 rainy days.
June
In June, İzmir averages a high of 30.8 °C and a low of 19.9 °C, with about 2.3 rainy days.
July
In July, İzmir averages a high of 33.3 °C and a low of 22.6 °C, with about 0.5 rainy days.
August
In August, İzmir averages a high of 33 °C and a low of 22.5 °C, with about 0.6 rainy days.
September
In September, İzmir averages a high of 29.3 °C and a low of 18.8 °C, with about 1.9 rainy days.
October
In October, İzmir averages a high of 24.1 °C and a low of 14.7 °C, with about 5.3 rainy days.
November
In November, İzmir averages a high of 18.7 °C and a low of 10.8 °C, with about 8.8 rainy days.
December
In December, İzmir averages a high of 14.2 °C and a low of 7.6 °C, with about 12.7 rainy days.
Sources
Meteoroloji Genel Müdürlüğü — İzmir (1938–2025) (opens in a new tab)