Ayvalık in Fall
In fall (September, October and November), Ayvalık sees average daytime highs around 20°C and overnight lows near 16°C, with 226 mm of rain over about 17 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 26°C in early September to 14°C by late November. The sky is clear or mostly clear about 65% of the time across fall, and the air most often feels dry.
Fall is Ayvalık's 2nd-best season to visit on our travel score. For the whole year in context, see Ayvalık's year-round climate.
- Avg daytime high
- 20°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 226 mm
- 17 wet days
- Avg wind
- 18 km/h
- Travel score
- 7.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Ayvalık in Fall
Over the season highs ease from about 26°C in early September to 14°C by late November.
A typical fall day in Ayvalık reaches about 20°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.
Ayvalık weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 8° | 137 | 11.4 | 9.5 | 2.7 |
| Feb | 12° / 8° | 122 | 10.8 | 10.5 | 2.9 |
| Mar | 13° / 9° | 84 | 9.1 | 11.7 | 4.0 |
| Apr | 16° / 12° | 64 | 7.2 | 13 | 5.8 |
| May | 21° / 16° | 34 | 3.9 | 14.1 | 7.8 |
| Jun | 25° / 20° | 10 | 1.6 | 14.7 | 9.0 |
| Jul | 27° / 23° | 1 | 0.2 | 14.5 | 9.1 |
| Aug | 27° / 23° | 2 | 0.2 | 13.5 | 9.1 |
| Sep | 24° / 20° | 26 | 2.8 | 12.3 | 8.9 |
| Oct | 20° / 17° | 78 | 5.6 | 11 | 7.5 |
| Nov | 16° / 13° | 122 | 8.8 | 9.8 | 5.4 |
| Dec | 12° / 9° | 145 | 12.3 | 9.3 | 3.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 65% of the time across fall.
Chance of precipitation in Fall
Ayvalık gets around 226 mm of rain over 17 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 18 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.9 kWh/m².
Hazard calendar for Ayvalık
In fall, Ayvalık overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Ayvalık's rainy season runs October–March, when most of the year's rain falls.
Is fall a good time to visit Ayvalık?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Ayvalık for general sightseeing.
What to pack for Ayvalık in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ayvalık sees daytime highs around 20°C and nights near 16°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 17 days see rain.
Sea temperature near Ayvalık in Fall
The nearest coast averages about 20°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 23°C and coldest in February near 15°C.
It's comfortable for a long swim from May 31 to Oct 20 — about 4.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 16 | 19 | 22 | 23 | 23 | 22 | 20 | 18 | 17 |
| Comfort | Cool | Bracing | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 20 | Refreshing |
| Nov | 18 | Cool |
| Dec | 17 | Cool |
UV index in Ayvalık in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ayvalık peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 8 | 7 | 9 | 9 | 9 | 7 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Ayvalık in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Ayvalık is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 14 | 18 | 17 | 17 | 15 | 12 | 13 | 12 | 12 | 13 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 14 | Moderate |
| Mar | 18 | Moderate |
| Apr | 17 | Moderate |
| May | 17 | Moderate |
| Jun | 15 | Moderate |
| Jul | 12 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Good |
| Oct | 12 | Good |
| Nov | 13 | Moderate |
| Dec | 11 | Good |
Where is Ayvalık?
Ayvalık sits at 39.3°N, 26.7°E, 8 m above sea level, in Turkey. The nearest listed city is Mytilene, 26 km away.
Topography around Ayvalık
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ayvalık.
Within 3 km, the terrain around Ayvalık has only modest variations in elevation — a maximum elevation change of 121 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 429 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,759 m.
The land around Ayvalık is covered by water (32%) and grassland (24%) within 3 km, water (60%) and trees (21%) within 16 km, and trees (39%) and water (35%) within 80 km.
Turkey travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $18,599
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 488
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ayvalık (39.3193°, 26.6934°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.