AI-generatedKastellorizo at a glance
- Best time
- Jun – Oct
- Warmest month
- Jul · 32°
- Warmest sea
- Aug · 28.4°
- Sunshine a year
- 2,920 h
- Rain a year
- 706 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 19 m
Climate in Kastellorizo
Kastellorizo has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. July is the warmest month with average highs of 32 °C, while January is the coolest at 15 °C. With around 2,920 hours of sunshine a year, Kastellorizo is sunny; July is the sunniest month with 11.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: June – October
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 20°
- Midday, 13:00: about 24°
- Afternoon, 16:00: about 25°
- Evening, 20:00: about 22°
- Night, 23:00: about 21°
07:0718:27
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:51–07:42 · evening 17:53–18:43
- Blue hour
- Morning 06:41–06:51 · evening 18:43–18:53
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Kastellorizo in October?
In October, Kastellorizo is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 24.9 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 53 mm. All in all, October is an excellent month for a holiday in Kastellorizo.
More details for October
- Daylight
- 11 h 20 min07:07 – 18:27
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 25 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %97 %
- Seaweight 25 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 20 %92 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
Sea temperature in Kastellorizo
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 23.9 – 25.8 °C
Swimming season: May – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Kastellorizo ranges from 17.2 °C in February to 28.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to November.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From October to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 27.9 and 29.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 18.1° | 17.2° | 18.9° | fresh |
| FebruaryFeb | 17.2° | 16.3° | 17.9° | fresh |
| MarchMar | 17.2° | 16.6° | 17.8° | fresh |
| AprilApr | 17.9° | 17.2° | 18.6° | fresh |
| MayMay | 20.4° | 19.8° | 21.0° | refreshing |
| JuneJun | 23.8° | 23.1° | 24.8° | pleasant |
| JulyJul | 27.1° | 26.2° | 27.9° | warm |
| AugustAug | 28.4° | 27.9° | 29.0° | warm |
| SeptemberSep | 27.3° | 26.6° | 28.3° | warm |
| OctoberOct | 24.9° | 23.9° | 25.8° | pleasant |
| NovemberNov | 22.2° | 21.4° | 23.1° | refreshing |
| DecemberDec | 19.9° | 19.1° | 20.7° | fresh |
Sunshine hours in Kastellorizo
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 7.6 of 11.3 hours of daylight in Kastellorizo, 67 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Kastellorizo
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 25 min
- Fair skin
- about 35 min
- Light brown skin
- about 45 min
- Olive skin
- about 60 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Kastellorizo: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Kastellorizo has about 5 rainy days with 53 mm of rain in total.
Wind and clouds in Kastellorizo
How breezy and how cloudy Kastellorizo is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Kastellorizo typically peaks at 10 km/h during the day: Beaufort 2, light air.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 25 % of the sky over Kastellorizo: mostly sunny, with about 7.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Kastellorizo
How often the day gets hot in Kastellorizo (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Kastellorizo has about 1 hot days, with an average daytime high of 25 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Kastellorizo
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
PleasantOctober: nights around 19°. Ideal for sleeping, often with the window open. Muggy on about 3 days (dew point 18 °C or more).
The coolest nights are in January (10°), the warmest in August (26°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and from October to November. It is muggy (dew point 18 °C or more) on about 82 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 18 | 15° | 10° | 18.1° | 4.6 h | 12 | 149 |
| FebruaryFeb | 21 | 15° | 10° | 17.2° | 5.5 h | 10 | 101 |
| MarchMar | 27 | 17° | 11° | 17.2° | 7.0 h | 9 | 72 |
| AprilApr | 41 | 20° | 14° | 17.9° | 8.3 h | 8 | 48 |
| MayMay | 81 | 24° | 18° | 20.4° | 9.7 h | 5 | 30 |
| JuneJun | 99 | 29° | 23° | 23.8° | 11.3 h | 3 | 10 |
| JulyJul | 94 | 32° | 26° | 27.1° | 11.5 h | 1 | 3 |
| AugustAug | 94 | 32° | 26° | 28.4° | 10.7 h | 2 | 5 |
| SeptemberSep | 100 | 29° | 24° | 27.3° | 9.6 h | 2 | 13 |
| OctoberOct | 93 | 25° | 19° | 24.9° | 7.6 h | 5 | 53 |
| NovemberNov | 52 | 20° | 15° | 22.2° | 5.8 h | 7 | 81 |
| DecemberDec | 23 | 16° | 12° | 19.9° | 4.2 h | 12 | 140 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
36.15° N, 29.59° E · 19 m · Europe/Athens
Best time to visit Kastellorizo
The best time to visit Kastellorizo is from June to October. For a beach holiday with the sea above 21 °C, go from June to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from October to December. The wettest month is January with 149 mm of precipitation.
Kastellorizo through the seasons
How the weather changes over the seasons, with averages for each.
Kastellorizo in spring
Mar – May
Fair
- 17–24 °C by day
- Sea 19 °C
- 8 h of sun a day
- 22 rainy days in all
Kastellorizo in summer
Jun – Aug
Excellent
- 29–32 °C by day
- Sea 26 °C
- 11 h of sun a day
- 6 rainy days in all
Kastellorizo in autumn
Sep – Nov
Excellent
- 20–29 °C by day
- Sea 25 °C
- 8 h of sun a day
- 14 rainy days in all
Kastellorizo in winter
Dec – Feb
Poor
- 15–16 °C by day
- Sea 18 °C
- 5 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Kastellorizo for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Kastellorizo
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Kastellorizo: score 100 against 93. In September, days are 4 °C warmer than in October. The sea is 2 °C warmer in September. September has 3 fewer rainy days. The sun shines 2 hours longer a day in September.
| Month | October | September |
|---|---|---|
| Weather score | 93 | 100better |
| Day high | 25° | 29° |
| Night low | 19° | 24° |
| Sea | 24.9° | 27.3° |
| Sunshine | 7.6 h | 9.6 hbetter |
| Rainy days | 5 | 2better |
| Rainfall | 53 mm | 13 mmbetter |
| Muggy days | 3better | 16 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jun – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Oct – Dec
15–28 °C and not too much rain
Kastellorizo month by month
The typical weather for every month at a glance.
18January15° · Sea 18° · 5 h
In January, Kastellorizo is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 149 mm in total. All in all, January is not an ideal month for a holiday in Kastellorizo.
Kastellorizo in January21February15° · Sea 17° · 6 h
In February, Kastellorizo is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 101 mm in total. All in all, February is not an ideal month for a holiday in Kastellorizo.
Kastellorizo in February27March17° · Sea 17° · 7 h
In March, Kastellorizo is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 72 mm in total. All in all, March is not an ideal month for a holiday in Kastellorizo.
Kastellorizo in March41April20° · Sea 18° · 8 h
In April, Kastellorizo is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 17.9 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 48 mm. All in all, April is a so-so month for a holiday in Kastellorizo.
Kastellorizo in April81May24° · Sea 20° · 10 h
In May, Kastellorizo is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 20.4 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 30 mm. All in all, May is an excellent month for a holiday in Kastellorizo.
Kastellorizo in May99June29° · Sea 24° · 11 h
In June, Kastellorizo is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 23.8 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 10 mm in total. On about 10 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Kastellorizo.
Kastellorizo in June94July32° · Sea 27° · 12 h
In July, Kastellorizo is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 27.1 °C – lovely and warm for swimming. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Kastellorizo.
Kastellorizo in July94August32° · Sea 28° · 11 h
In August, Kastellorizo is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 28.4 °C – lovely and warm for swimming. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Kastellorizo.
Kastellorizo in August100September29° · Sea 27° · 10 h
In September, Kastellorizo is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 27.3 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 13 mm in total. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Kastellorizo.
Kastellorizo in September93October25° · Sea 25° · 8 h
In October, Kastellorizo is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 24.9 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 53 mm. All in all, October is an excellent month for a holiday in Kastellorizo.
Kastellorizo in October52November20° · Sea 22° · 6 h
In November, Kastellorizo is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 81 mm. All in all, November is a so-so month for a holiday in Kastellorizo.
Kastellorizo in November23December16° · Sea 20° · 4 h
In December, Kastellorizo is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 19.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 140 mm in total. All in all, December is not an ideal month for a holiday in Kastellorizo.
Kastellorizo in DecemberKastellorizo compared
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Kastellorizo vs. Ölüdeniz
In October Kastellorizo has the better holiday weather (score 93 vs. 83). During the day Ölüdeniz is 2 °C cooler than Kastellorizo. The sea is about equally warm. Ölüdeniz gets one hour less sunshine a day.
| in October | Kastellorizo | Ölüdeniz |
|---|---|---|
| Holiday score | 93 | 83 |
| Daytime high | 25° | 23° |
| Sea | 25° | 25° |
| Sunshine | 8 h | 7 h |
| Rainy days | 5 | 5 |
| Best time | Jun – Oct | Jun – Sep |
Through the year
Greece in October: the best places
In October, Kastellorizo ranks 1 among the 31 nearest destinations in this country.
- KastellorizoThis page25°25°93
- 2Athens23°23°91
- 3Piraeus23°23°91
- 4Lindos23°24°85
- 5Symi24°24°85
- 6Rhodes Town23°24°83
- 7Agios Nikolaos24°23°83
- 8Malia24°23°83
Planning a trip to Kastellorizo
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Kastellorizo in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Kastellorizo has its best school-holiday weather during the summer holidays (score 94) and its weakest during the Christmas holidays (score 21).
- 37
Easter holidays
Mar – Apr
Poor
- 19 °C by day
- Sea 18 °C
- 7.9 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 85
May half-term
May – Jun
Excellent
- 25 °C by day
- Sea 21 °C
- 10.0 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 94
Summer holidays
Jul – Aug
ExcellentBest holidays
- 32 °C by day
- Sea 28 °C
- 11.0 h of sun a day
- 1 rainy day a month
Good for: Beach & swimming
- 93
October half-term
Oct
Excellent
- 25 °C by day
- Sea 25 °C
- 7.6 h of sun a day
- 5 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 21
Christmas holidays
Dec – Jan
Poor
- 15 °C by day
- Sea 19 °C
- 4.4 h of sun a day
- 12 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 4 h
- Distance
- 2,920 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Kastellorizo
When is the best time to visit Kastellorizo?
The best time to visit Kastellorizo is from June to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Kastellorizo?
The sea temperature in Kastellorizo ranges from 17.2 °C in February to 28.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to November.
Can you swim in Kastellorizo in October?
Yes. In October the sea averages 24.9 °C – pleasant for swimming.
What is the warmest month in Kastellorizo?
July is the warmest month, with average highs of 32 °C and nights around 26 °C. January is the coolest month at 15 °C.
When does it rain most in Kastellorizo?
The wettest month is January with 149 mm of precipitation. The driest month is July with 3 mm.
How many hours of sunshine does Kastellorizo get?
Kastellorizo gets around 2,920 hours of sunshine a year. The sunniest month is July with 11.5 hours a day; in December there are 4.2 hours a day.
What time zone is Kastellorizo in?
Kastellorizo uses the time zone Europe/Athens: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Kastellorizo?
A nonstop flight from London to Kastellorizo takes about 4 h, for a straight-line distance of about 2,920 km.
Which school holidays are best for Kastellorizo?
Kastellorizo has its best school-holiday weather during the summer holidays (score 94) and its weakest during the Christmas holidays (score 21). Holiday ratings (0–100): Easter holidays 37, May half-term 85, Summer holidays 94, October half-term 93, Christmas holidays 21.
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