Rethymno weather in October

In October, Rethymno sees average daytime highs of 22°C and overnight lows near 16°C, with 48 mm of rain across 6.4 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 54% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Rethymno's 6th-clearest and 11th-windiest month. For the whole year in context, see Rethymno's year-round climate.

Daytime high
22°
5th warmest
Overnight low
16°
8th coldest
Rainfall
48 mm
6.4 wet days
Daylight
11 h 06 min
6:34 AM – 5:40 PM
Cloud cover
40%
6th clearest
Wind
8 km/h
11th windiest
Solar energy
4.07 kWh/m²
Travel score
7.6
out of 10

Rethymno is city in Crete, Greece.

Density
82/km²
people per km²

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 24°C in the first days to 20°C by the end.

A typical October day in Rethymno reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52418
62318
72318
82317
92317
102317
112317
122317
132317
142217
152217
162217
172216
182216
192216
202116
212116
222116
232116
242115
252115
262115
272015
282015
292015
302015
312015

Rethymno weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 9714.10.59.93.2
Feb13° / 8712.30.610.73.3
Mar14° / 629.50.211.74.4
Apr17° / 12°346012.96.5
May22° / 15°233.7013.88.2
Jun26° / 19°61.3014.39.1
Jul27° / 22°30.6014.19.0
Aug28° / 22°30.7013.38.9
Sep26° / 20°172.8012.28.7
Oct22° / 16°486.4011.17.6
Nov18° / 13°699.6010.15.8
Dec14° / 10°10113.70.19.73.8

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 17% 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 (%)
18317
28317
38119
48020
57921
67822
77723
87624
97525
107525
117327
127327
137129
147129
157030
166931
176931
186832
196832
206832
216832
226733
236634
246535
256436
266337
276337
286238
296139
306139
316139

Chance of precipitation in October

Any precipitation

Rethymno gets around 48 mm of rain over 6.4 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 21% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
114
214
315
415
516
617
717
818
918
1019
1119
1220
1321
1421
1522
1623
1723
1823
1923
2024
2124
2224
2324
2424
2525
2625
2725
2826
2926
3026
3126

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1274726
2284725
3284824
4294823
5294823
6294822
7304821
8304921
9314921
10314820
11324820
12324819
13334819
14344719
15354718
16364618
17374617
18384616
19394615
20404514
21424414
22444413
23454312
24474211
25494110
2651409
2752399
2854388
2955387
3056377
3158366

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

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

Days shrink by about 60 minutes over October. Sunrise moves from 6:22 AM to 6:48 AM, and sunset from 6:00 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:226:00
211.66:225:59
311.66:235:58
411.56:245:56
511.56:255:55
611.56:265:53
711.46:275:52
811.46:275:50
911.36:285:49
1011.36:295:48
1111.36:305:46
1211.26:315:45
1311.26:325:44
1411.26:335:42
1511.16:345:41
1611.16:345:40
1711.16:355:39
1811.06:365:37
1911.06:375:36
2010.96:385:35
2110.96:395:34
2210.96:405:32
2310.86:415:31
2410.86:425:30
2510.86:435:29
2610.76:445:28
2710.76:455:27
2810.76:465:26
2910.66:465:25
3010.66:475:24
3110.66:485:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.07 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.92 kWh/m² in June across the year — October's 4.07 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for Rethymno

In seasonPeak

In October, Rethymno sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rethymno's rainy season runs October–March, when most of the year's rain falls.

Rethymno sees seasonal dust haze (May), heaviest in May.

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

Is October a good time to visit Rethymno?

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

7.6
Sightseeing
6th-best month of the year
5.2
Beach & pool
6th-best month of the year

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

What to pack for Rethymno in October

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

In October, Rethymno sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Rethymno 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 16°C.

It's comfortable for a long swim from May 25 to Nov 24 — about 6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Rethymno in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rethymno peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Rethymno 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 Rethymno is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1215 µg/m³Sep 218 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar14Moderate
Apr15Moderate
May12Good
Jun9Good
Jul9Good
Aug10Good
Sep8Good
Oct8Good
Nov11Good
Dec8Good
Location & terrain

Where is Rethymno?

Rethymno sits at 35.4°N, 24.5°E, 14 m above sea level, in Greece. The nearest listed city is Chania, 44 km away.

ChaniaHeraklionFiraOiaParosNaxosMykonosSparta

Topography around Rethymno

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

Within 3 km, the terrain around Rethymno has significant variations in elevation — a maximum elevation change of 329 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,432 m.

The land around Rethymno is covered by water (44%) and trees (29%) within 3 km, water (47%), trees (25%) and grassland (21%) within 16 km, and water (66%) within 80 km.

3 km
329 m
16 km
842 m
80 km
2,432 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Chania 44 km · Heraklion 60 km · Fira 145 km · Oia 146 km · Paros 200 km · Naxos 209 km · Mykonos 243 km · Sparta 265 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 Rethymno (35.3655°, 24.4823°, elevation 14 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).