Korydallós weather in October

In October, Korydallós sees average daytime highs of 24°C and overnight lows near 15°C, with 27 mm of rain across 3.9 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 21°C by the end. The sky is clear or mostly clear about 54% 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 Korydallós's 6th-clearest and 8th-windiest month. For the whole year in context, see Korydallós's year-round climate.

Daytime high
24°
6th warmest
Overnight low
15°
7th coldest
Rainfall
27 mm
3.9 wet days
Daylight
11 hours
6:40 AM – 5:40 PM
Cloud cover
40%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
3.65 kWh/m²
Travel score
8.1
out of 10

Korydallós is suburb of Piraeus, Greece.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 21°C by the end.

A typical October day in Korydallós reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32616
42616
52616
62616
72516
82516
92516
102516
112515
122515
132415
142415
152415
162415
172415
182315
192314
202314
212314
222314
232214
242214
252213
262213
272213
282113
292113
302113
312112

How October really feels in Korydallós

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Korydallós weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 527.30.69.73.7
Feb14° / 477.20.610.54.2
Mar16° / 496.40.211.75.8
Apr21° / 11°295.40137.3
May26° / 15°234.90147.9
Jun31° / 20°112.5014.65.8
Jul33° / 22°61.3014.44.7
Aug33° / 22°41.1013.54.9
Sep29° / 19°152.5012.37.1
Oct24° / 15°273.90118.1
Nov18° / 11°456.609.96.4
Dec14° / 587.80.49.44.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
37822
47822
57822
67723
77723
87624
97624
107525
117426
127426
137327
147327
157228
167228
177228
187129
197129
207030
216931
226832
236733
246733
256634
266634
276436
286436
296337
306238
316238

Chance of precipitation in October

Any precipitation

Korydallós gets around 27 mm of rain over 3.9 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 13% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
512
612
712
812
913
1013
1113
1213
1313
1414
1514
1614
1714
1814
1914
2014
2113
2213
2313
2413
2513
2613
2713
2813
2913
3014
3114

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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14632193
24632183
34633183
44633183
54634172
64634172
74735172
84735162
94735162
104735152
114835152
124835152
134934142
145034142
155133142
165232142
175331142
185530132
195729131
205828131
216027121
226226111
236226111
246425101
256624100
26682390
27692380
28702280
29712270
30722170
31722170

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:26 AM to 6:56 AM, and sunset from 6:03 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:266:03
211.66:276:01
311.56:286:00
411.56:295:58
511.46:305:57
611.46:315:55
711.46:325:53
811.36:335:52
911.36:345:50
1011.26:355:49
1111.26:365:48
1211.26:375:46
1311.16:385:45
1411.16:385:43
1511.06:395:42
1611.06:405:40
1711.06:415:39
1810.96:435:38
1910.96:445:36
2010.86:455:35
2110.86:465:34
2210.86:475:32
2310.76:485:31
2410.76:495:30
2510.66:505:29
2610.66:515:27
2710.66:525:26
2810.56:535:25
2910.56:545:24
3010.56:555:23
3110.46:565:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.65 kWh/m².

For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 7.5 kWh/m² in June across the year — October's 3.65 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.1Bright
84.0Bright
94.0Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.4Moderate
223.4Moderate
233.3Moderate
243.3Moderate
253.2Moderate
263.2Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.0Moderate
313.0Moderate
Planning a trip in October

Is October a good time to visit Korydallós?

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

8.1
Sightseeing
1st-best month of the year
6.5
Beach & pool
6th-best month of the year

October is one of the better times to visit Korydallós for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Korydallós in October

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

In October, Korydallós sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes. About 4 days see rain.

light clothes

Sea temperature near Korydallós in October

The nearest coast averages about 23°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 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Korydallós in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 Korydallós peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJul 13UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Korydallós 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 Korydallós is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1418 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr14Moderate
May13Moderate
Jun11Good
Jul14Moderate
Aug19Moderate
Sep9Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Korydallós?

Korydallós sits at 38.0°N, 23.6°E, 93 m above sea level, in Greece. The nearest listed city is Agía Varvára, 1.0 km away.

Topography around Korydallós

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Korydallós.

Within 3 km, the terrain around Korydallós has significant variations in elevation — a maximum elevation change of 451 m around an average of 116 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,025 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.

The land around Korydallós is covered by artificial surfaces (66%) within 3 km, artificial surfaces (37%) and water (30%) within 16 km, and water (48%) and trees (22%) within 80 km.

3 km
451 m
16 km
1,025 m
80 km
1,724 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Agía Varvára 1.0 km · Níkaia 2.0 km · Agios Ioannis Rentis 3.0 km · Aigáleo 3.0 km · Chaïdári 3.0 km · Keratsíni 3.0 km · Piraeus 5.0 km · Moskháton 5.0 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

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 Korydallós (37.9847°, 23.6471°, elevation 93 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).