Izmir (Cesme) weather in August
August in Izmir: sweltering, dry — fine if you can take 35°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Izmir · #794 of 1413 destinations to visit in August · comfort 76/100 (tier B)
- Days
- 34°C
- Nights
- 24°C
- Wet days
- 1
- Sun
- 12.5 h
- Humidity
- 50%
- Daylight
- 14 h

Traveller notes on Izmir in August
Notes from nearby Çeşme (73 km away)
Izmir doesn't have its own notes for August yet — these are about Çeşme, close enough to share the season.
Cesme regulars treat the wind as the reason to choose this stretch of Aegean coast over the rest of it in August: it is almost always blowing, rarely under ten knots, and it keeps a month that would otherwise be punishing down to something pleasant. Our row's 28.7 kph is the same northerly the Greek islands opposite call the meltemi, coming down the bay from the north, and it is why 31.1C only reads as 32C at 63 percent humidity. Rain does not exist: 0.7mm across 0.2 precipitation days. Alacati next door is the windsurfing centre for exactly this reason, shallow bright water with dependable wind from spring through autumn. The record: 22.7C nights, 12.6 hours of sun, a 24.7C sea and AQI 57.
Other months in Izmir
Regulars are specific that summer along this stretch of the Aegean coast effectively starts now and runs through mid-September, normal daytime temperatures already in the 30-35C range with some of the hottest days of the whole season capable of landing this early rather than waiting for peak summer. Our row backs that hot, genuinely dry read, 31.4C reading as a hot 33C, over 21.1C nights, with rain minimal at 33.1mm across 5.9 days and humidity down to 56 percent. Regulars are consistent nearby coastal towns along the Cesme peninsula offer a cooler escape from the city heat, with water temperature varying noticeably by beach depending on undersea conditions. The sea sits at a warm, swimmable 23.2C. The record: 13.4 hours of sun, a 14.8 kph wind and AQI 61.
Regulars place March at the tail of a rainy stretch that runs from November, so while the sun is out more often than not on this coast, a day of steady rain or even a short storm is still a real possibility rather than a surprise. Our row backs that transitional read, 17.6C reading as 16C over 8.5C nights feeling 6C, with 79.4mm across 9.2 days. Snow can still sit on the inland mountains even as the coast itself has moved past winter, and evenings stay properly cold - layers, an umbrella, and shoes that can handle both dry pavement and a sudden shower. This is spring rather than beach weather, good for sightseeing but not yet for the sea, which sits at 14.7C. The record: humidity 74 percent, 9.8 hours of sun, a 14.3 kph wind and AQI 58.
Turkey-forum threads asking if the country runs warm in January (Izmir specifically among the coastal cities discussed) are direct that winter along the Aegean is mild only by comparison to the interior, not genuinely warm - posters describe conditions as windy, rainy and properly cold rather than a sunny escape. One traveler planning fifteen days here was warned to expect the real possibility of solid rain and wind for the entire stay, a worst-case regulars say does happen some years. Daylight itself is limited, effectively over by 4pm. The upside: January's quiet, crowd-free version of the city and its waterfront promenade suits anyone prioritizing peaceful sightseeing over decent weather. The sea is called far too cold for swimming regardless of how mild a given afternoon feels. The record: 12.7C days feeling like 10C, 5.8C nights, a notably high 146mm across 11.9 days, 4.3cm of fresh snowfall, a 14.6C sea, 81 percent humidity and 7.1 hours of sun.
September is the month regulars name for the Turkish Aegean, and the reason is the water: sea temperatures peak in September and October, which our row puts at 25C while the air has come off its August high to 29.8C. Their arc is 30C or more at the start of the month falling to 25 to 30 by the end, and they warn that without a breeze it still feels hot. The qualification is timing inside the month. The Izmir-area resorts can be blustery even when warm, and late September into early October turns noticeably cooler and more unsettled here than further south, so the first half is the safer half. The record: 20C nights, 2.6 precipitation days carrying 18.6mm, humidity 56 percent and 11.3 hours of sun.
Add your own note from Izmir's card on the map.
Izmir climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Izmir in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer holidays in Turkey, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Izmir's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherIzmir's best weather comes in April, May and October — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Izmir in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea warm enough to swim
10 Jun – 20 Oct · usuallyNobody swims in the gulf itself; the season is measured by the peninsula, Cesme and Urla, forty minutes west. It stays swimmable well into October once the crowds have gone.
- Hazard
Wildfire season
15 Jun – 30 Sep · usuallySmoke seasonIzmir province burns nearly every summer, usually in the pine hills between the city and the peninsula. The city itself is rarely threatened; the coast road and the smoke are what change plans. Source ↗
- Season
The city moves to the coast
1–31 AugSchool holidaysIzmir empties westward in August: half the good restaurants in Alsancak shut for the month while Cesme and Alacati charge triple. The city is at its most liveable and least interesting.
Nearby, and something's on
Within 300 km of Izmir — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Izmir?
Izmir in August — FAQ
- Is August a good time to visit Izmir?
- August in Izmir: sweltering, dry — fine if you can take 35°C afternoons. It ranks #8 of 12 months for Izmir on SeasonMap's comfort score (76/100).
- What is the weather like in Izmir in August?
- In August, Izmir averages a daily high of 33.7°C and a low of 24°C, with about 5.6 mm of rain over roughly 1.3 rainy days.
- What is the air quality in Izmir in August?
- Izmir has a mean US Air Quality Index of about 63 in August.
Within 300 km: Selçuk's Storks on the aqueduct around 15 Mar – 31 Aug, and Bodrum's Bodrum Ballet Festival around 1–25 Aug.