Izmir records about 696mm of rain across roughly 62 wet days a year, which is a 17% chance on an average day. January is the wettest month at 128mm (18% of the annual total) and July the driest at 2mm. Local rain type: brief showers. Izmir is Turkey's sunniest major city. Summer is completely dry — rain is a purely winter phenomenon.
Chance of rain on an average day: 17%
Rainfall climatology for Izmir. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 696mm |
| Rain days per year | 62 |
| Odds on an average day | 17% |
| Wettest month | January — 128mm over 13 days |
| Driest month | July — 2mm over 1 days |
| Rain type | brief showers |
| Best dry window | May through October offers guaranteed dry conditions. |
| Worst rain window | December and January bring the only significant rainfall. |
January delivers 6300% more rain than July (128mm vs 2mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 18% of the annual total, so rain in Izmir is spread through the year — there is no season you can rely on being dry.
Izmir rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 13 days in January against 1 in July — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 128mm | 13 | 43% | 12°C |
| February | 98mm | 10 | 33% | 12°C |
| March | 72mm | 7 | 23% | 15°C |
| April | 42mm | 4 | 13% | 20°C |
| May | 18mm | 2 | 7% | 26°C |
| June | 5mm | 1 | 3% | 31°C |
| July | 2mm | 1 | 3% | 34°C |
| August | 2mm | 1 | 3% | 34°C |
| September | 8mm | 1 | 3% | 31°C |
| October | 32mm | 3 | 10% | 26°C |
| November | 82mm | 8 | 27% | 20°C |
| December | 118mm | 12 | 40% | 15°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Izmir we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Izmir records rain on roughly 62 days a year — about a 17% chance on any given day — totalling around 696mm.
January, with about 128mm over 13 rain days. That is 18% of the entire year's rainfall in a single month.
July is the driest month at 2mm across roughly 1 days. May through October offers guaranteed dry conditions.
Izmir is Turkey's sunniest major city. Summer is completely dry — rain is a purely winter phenomenon.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.