Ayvalık weather in October

In October, Ayvalık sees average daytime highs of 20°C and overnight lows near 17°C, with 78 mm of rain across 5.6 wet days and about 11 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 63% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Ayvalık's 5th-clearest and 8th-windiest month. For the whole year in context, see Ayvalık's year-round climate.

Daytime high
20°
6th warmest
Overnight low
17°
8th coldest
Rainfall
78 mm
5.6 wet days
Daylight
10 h 54 min
6:30 AM – 5:27 PM
Cloud cover
32%
5th clearest
Wind
18 km/h
8th windiest
Solar energy
3.74 kWh/m²
Travel score
7.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical October day in Ayvalık reaches about 20°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12218
22218
32218
42218
52218
62218
72218
82118
92117
102117
112117
122117
132117
142117
152117
162017
172017
182016
192016
202016
212016
221916
231916
241915
251915
261915
271915
281815
291815
301815
311814

Ayvalık weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 13711.49.52.7
Feb12° / 12210.810.52.9
Mar13° / 849.111.74.0
Apr16° / 12°647.2135.8
May21° / 16°343.914.17.8
Jun25° / 20°101.614.79.0
Jul27° / 23°10.214.59.1
Aug27° / 23°20.213.59.1
Sep24° / 20°262.812.38.9
Oct20° / 17°785.6117.5
Nov16° / 13°1228.89.85.4
Dec12° / 14512.39.33.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28416
38416
48416
58317
68317
78218
88218
98218
108020
118020
127921
137921
147723
157624
167624
177525
187426
197426
207426
217426
227228
237228
247228
257327
267327
277327
287228
297228
307228
317129

Chance of precipitation in October

Any precipitation

Ayvalık gets around 78 mm of rain over 5.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
516
616
716
816
917
1017
1117
1218
1318
1418
1519
1619
1719
1820
1920
2020
2120
2220
2320
2420
2520
2620
2720
2820
2920
3020
3120

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
127303311
227303310
328303210
42930329
52931328
63031318
73131317
83231317
93330306
103430306
113530305
123630305
133729294
143929294
154029283
164129283
174229272
184428262
194528252
204728242
214827231
225027221
235226211
245326201
255525191
265725180
275825170
286024160
296124150
306224140
316224140

Wind in October

Winds average 18 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:14 AM to 6:46 AM, and sunset from 5:50 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:145:50
211.56:155:48
311.56:165:47
411.56:175:45
511.46:185:44
611.46:195:42
711.36:205:40
811.36:215:39
911.26:225:37
1011.26:235:36
1111.26:255:34
1211.16:265:33
1311.16:275:31
1411.06:285:30
1511.06:295:28
1610.96:305:27
1710.96:315:25
1810.96:325:24
1910.86:335:22
2010.86:345:21
2110.76:355:20
2210.76:365:18
2310.76:375:17
2410.66:385:16
2510.66:405:14
2610.56:415:13
2710.56:425:12
2810.56:435:11
2910.46:445:10
3010.46:455:08
3110.46:465:07

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.74 kWh/m².

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 7.61 kWh/m² in July across the year — October's 3.74 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.1Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in October

Hazard calendar for Ayvalık

In seasonPeak

In October, Ayvalık sits inside 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.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Ayvalık?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.5
Sightseeing
6th-best month of the year
4.1
Beach & pool
6th-best month of the year

October is one of the better times to visit Ayvalık for general sightseeing.

What to pack for Ayvalık in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Ayvalık sees daytime highs around 20°C and nights near 17°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Ayvalık in October

The nearest coast averages about 20°C in October — 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.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul23Refreshing
Aug23Refreshing
Sep22Refreshing
Oct20Refreshing
Nov18Cool
Dec17Cool

UV index in Ayvalık in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateLowAug 10UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Ayvalık in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 2117 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar18Moderate
Apr17Moderate
May17Moderate
Jun15Moderate
Jul12Moderate
Aug13Moderate
Sep12Good
Oct12Good
Nov13Moderate
Dec11Good
Location & terrain

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.

3 km
121 m
16 km
429 m
80 km
1,759 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Mytilene 26 km · Burhaniye 31 km · Edremit 42 km · Bergama 47 km · Ezine 60 km · Aliağa 63 km · Foça 72 km · Soma 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
Muslim 100%other 0%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).