AI-generatedChios at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 31°
- Warmest sea
- Aug · 23.6°
- Sunshine a year
- 2,870 h
- Rain a year
- 613 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 9 m
Climate in Chios
Chios has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 31 °C, while January is the coolest at 14 °C. With around 2,870 hours of sunshine a year, Chios is sunny; July is the sunniest month with 12.2 hours a day.
Holiday weather through the year
Best time to visit Chios
The best time to visit Chios is from June to September. For a beach holiday – sea from 21 °C, warm and mostly dry – 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 December with 133 mm of precipitation.
Chios through the seasons
How the weather changes over the seasons, with averages for each.
Chios in spring
Mar – May
Fair
- 17–25 °C by day
- Sea 17 °C
- 8.2 h of sun a day
- 16 rainy days in all
Chios in summer
Jun – Aug
Excellent
- 29–31 °C by day
- Sea 23 °C
- 11.8 h of sun a day
- 1 rainy day in all
Chios in autumn
Sep – Nov
Good
- 19–28 °C by day
- Sea 21 °C
- 7.3 h of sun a day
- 15 rainy days in all
Chios in winter
Dec – Feb
Poor
- 14–15 °C by day
- Sea 17 °C
- 4.1 h of sun a day
- 34 rainy days in all
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
Find your perfect month
Tell us what you like and we rate every month in Chios for you.
Your best months: June, August – September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: June – September
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 16°
- Midday, 13:00: about 23°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 20°
- Night, 23:00: about 18°
07:2318:39
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 07:07–07:59 · evening 18:03–18:55
- Blue hour
- Morning 06:56–07:07 · evening 18:55–19:06
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.
October in Chios compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 26° at the start of the month to 21° at the end. The sea cools from 22° to 20°. The days get 1.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 26° | 21° |
| Night-time low | 17° | 13° |
| Sea | 22° | 20° |
| Daylight | 11.8 h | 10.7 h |
What is the weather like in Chios in October?
In October, Chios is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sea averages 21.0 °C – refreshing for a swim. The sun shines for around 7.3 hours a day. Rain is rare: about 5 days bring 45 mm in total. All in all, October is a good month for a holiday in Chios.
More details for October
- Daylight
- 11 h 16 min07:23 – 18:39
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 29 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %82 %
- Seaweight 25 %57 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 20 %96 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Compare two months in Chios
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Chios: score 98 against 76. In August, days are 7 °C warmer than in October. The sea is 3 °C warmer in August. August has 5 fewer rainy days. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 76 | 98better |
| Daytime high | 24° | 31° |
| Night-time low | 15° | 22° |
| Sea | 21.0° | 23.6° |
| Sunshine | 7.3 h | 11.5 hbetter |
| Rainy days | 5 | 0better |
| Rainfall | 45 mm | 1 mmbetter |
| Muggy days | 4better | 20 |
Based on the climate averages 1996–2025.
Chios month by month
The typical weather for every month at a glance.
11January14° · Sea 17° · 3.8 h
In January, Chios is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sea averages 16.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 12 rainy days and 121 mm in total. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, January is not an ideal month for a holiday in Chios.
Chios in January18February15° · Sea 16° · 5.0 h
In February, Chios is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. The sea averages 16.0 °C – swimming is only for the hardy. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 92 mm in total. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, February is not an ideal month for a holiday in Chios.
Chios in February26March17° · Sea 16° · 6.5 h
In March, Chios is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain falls on about 8 days, adding up to 66 mm. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, March is not an ideal month for a holiday in Chios.
Chios in March43April20° · Sea 17° · 8.2 h
In April, Chios is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 16.5 °C – swimming is only for the hardy. The sun shines for around 8.2 hours a day. Rain falls on about 6 days, adding up to 37 mm. All in all, April is a so-so month for a holiday in Chios.
Chios in April80May25° · Sea 19° · 9.9 h
In May, Chios is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. With around 9.9 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 13 mm in total. All in all, May is an excellent month for a holiday in Chios.
Chios in May91June29° · Sea 22° · 11.6 h
In June, Chios is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sea averages 21.6 °C – refreshing for a swim. With around 11.6 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 11 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Chios.
Chios in June96July31° · Sea 23° · 12.2 h
In July, Chios is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 22.9 °C – refreshing for a swim. With around 12.2 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, July is an excellent month for a holiday in Chios.
Chios in July98August31° · Sea 24° · 11.5 h
In August, Chios is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 23.6 °C – pleasant for swimming. With around 11.5 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 23 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 Chios.
Chios in August96September28° · Sea 23° · 9.4 h
In September, Chios is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. The sea averages 22.8 °C – refreshing for a swim. With around 9.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 6 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Chios.
Chios in September76October24° · Sea 21° · 7.3 h
In October, Chios is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sea averages 21.0 °C – refreshing for a swim. The sun shines for around 7.3 hours a day. Rain is rare: about 5 days bring 45 mm in total. All in all, October is a good month for a holiday in Chios.
Chios in October29November19° · Sea 19° · 5.1 h
In November, Chios is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.1 hours of sunshine a day. Rain falls on about 8 days, adding up to 85 mm. All in all, November is not an ideal month for a holiday in Chios.
Chios in November13December15° · Sea 18° · 3.5 h
In December, Chios is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 12 rainy days and 133 mm in total. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, December is not an ideal month for a holiday in Chios.
Chios in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Chios
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (15+ muggy days)
PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 4 days (dew point 18 °C or more).
The coolest nights are in January (6°), the warmest in August (22°). Tropical nights of 20 °C and more are the rule from June to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and from September to October. Nights fall below 8 °C on average from January to February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 59 days a year, mostly from July to August.
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 | 11 | 14° | 6° | 16.7° | 3.8 h | 12 | 121 |
| FebruaryFeb | 18 | 15° | 7° | 16.0° | 5.0 h | 10 | 92 |
| MarchMar | 26 | 17° | 8° | 15.9° | 6.5 h | 8 | 66 |
| AprilApr | 43 | 20° | 11° | 16.5° | 8.2 h | 6 | 37 |
| MayMay | 80 | 25° | 15° | 18.7° | 9.9 h | 3 | 13 |
| JuneJun | 91 | 29° | 20° | 21.6° | 11.6 h | 1 | 4 |
| JulyJul | 96 | 31° | 22° | 22.9° | 12.2 h | 0 | 0 |
| AugustAug | 98 | 31° | 22° | 23.6° | 11.5 h | 0 | 1 |
| SeptemberSep | 96 | 28° | 19° | 22.8° | 9.4 h | 2 | 17 |
| OctoberOct | 76 | 24° | 15° | 21.0° | 7.3 h | 5 | 45 |
| NovemberNov | 29 | 19° | 11° | 19.0° | 5.1 h | 8 | 85 |
| DecemberDec | 13 | 15° | 8° | 17.7° | 3.5 h | 12 | 133 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
38.37° N, 26.14° E · 9 m · Europe/Athens
Sea temperature
Sea temperature in Chios
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 19.9 – 21.9 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Chios ranges from 15.9 °C in March to 23.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From December to February 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 22.6 and 24.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 16.7° | 15.6° | 18.1° | cold |
| FebruaryFeb | 16.0° | 15.1° | 16.6° | cold |
| MarchMar | 15.9° | 15.2° | 16.5° | cold |
| AprilApr | 16.5° | 15.7° | 17.1° | cold |
| MayMay | 18.7° | 17.9° | 19.3° | fresh |
| JuneJun | 21.6° | 20.9° | 22.3° | refreshing |
| JulyJul | 22.9° | 22.0° | 23.8° | refreshing |
| AugustAug | 23.6° | 22.6° | 24.7° | pleasant |
| SeptemberSep | 22.8° | 21.6° | 23.8° | refreshing |
| OctoberOct | 21.0° | 19.9° | 21.9° | refreshing |
| NovemberNov | 19.0° | 18.0° | 19.9° | fresh |
| DecemberDec | 17.7° | 17.0° | 18.5° | fresh |
Sunshine
Sunshine hours in Chios
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 7.3 of 11.3 hours of daylight in Chios, 65 % of the daylight hours.
Sunshine hours: measured at the weather station 22 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Chios: 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, Chios has about 5 rainy days with 45 mm of rain in total.
UV index
UV index in Chios
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · 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 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind & clouds
Wind and clouds in Chios
How breezy and how cloudy Chios 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 Chios typically peaks at 26 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 29 % of the sky over Chios: mostly sunny, with about 7.3 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 & humidity
Heat and humidity in Chios
How often the day gets hot in Chios (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, Chios has about 0 hot days, with an average daytime high of 24 °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
Planning a trip to Chios
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Chios 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.
Chios has its best school-holiday weather during the summer holidays (score 97) and its weakest during the Christmas holidays (score 12).
- 38
Easter holidays
Mar – Apr
Poor
- 19 °C by day
- Sea 16 °C
- 7.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 82
May half-term
May – Jun
Excellent
- 26 °C by day
- Sea 19 °C
- 10.2 h of sun a day
- 2 rainy days a month
Good for: Sightseeing & walks
- 97
Summer holidays
Jul – Aug
ExcellentBest holidays
- 31 °C by day
- Sea 23 °C
- 11.7 h of sun a day
- 0 rainy days a month
Good for: Beach & swimming
- 76
October half-term
Oct
Good
- 24 °C by day
- Sea 21 °C
- 7.3 h of sun a day
- 5 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 12
Christmas holidays
Dec – Jan
Poor
- 14 °C by day
- Sea 17 °C
- 3.7 h of sun a day
- 12 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 35 min
- Distance
- 2,530 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.
Good to know: Greece
- Currency
- Euro (EUR)
- Language
- Greek
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +30
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Chios compared
Put Chios side by side with another destination.
Chios vs Çeşme
In October the holiday weather in Chios and Çeşme is about equally good (score 76 vs 76). During the day it is about as warm in Çeşme as in Chios. The sea is about equally warm.
| in October | Chios | Çeşme |
|---|---|---|
| Holiday weather score | 76 | 76 |
| Daytime high | 24° | 24° |
| Sea | 21° | 21° |
| Sunshine | 7 h | 7 h |
| Rainy days | 5 | 5 |
| Best time | Jun – Sep | Jun – Sep |
Through the year
Best places in the country
Greece in October: the best places
In October, Chios ranks 10 among the 31 nearest destinations in this country.
- Leipsoi23°95
- 2Athens25°23°91
- 3Kos Town25°23°89
- 4Rafina25°22°84
- 5Palaio Faliro25°23°84
- 6Marathon25°22°83
- 7Lavrio25°22°82
- 8Astypalaia23°22°78
- 10ChiosThis page24°21°76
Places nearby
Near Chios
Other destinations close by.
Places with a similar climate
Places with a climate like Chios
Destinations whose weather through the year is closest to Chios's – good alternatives.
Frequently asked questions about Chios
When is the best time to visit Chios?
The best time to visit Chios is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Chios?
The sea temperature in Chios ranges from 15.9 °C in March to 23.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Chios in October?
Yes. In October the sea averages 21.0 °C – refreshing for a swim.
What is the warmest month in Chios?
August is the warmest month, with average highs of 31 °C and nights around 22 °C. January is the coolest month at 14 °C.
When does it rain most in Chios?
The wettest month is December with 133 mm of precipitation. The driest month is July with 0 mm.
How many hours of sunshine does Chios get?
Chios gets around 2,870 hours of sunshine a year. The sunniest month is July with 12.2 hours a day; in December there are 3.5 hours a day.
What time zone is Chios in?
Chios is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Chios?
A nonstop flight from London to Chios takes about 3 h 35 min, for a straight-line distance of about 2,530 km.
Which school holidays are best for Chios?
Chios has its best school-holiday weather during the summer holidays (score 97) and its weakest during the Christmas holidays (score 12). Holiday ratings (0–100): Easter holidays 38, May half-term 82, summer holidays 97, October half-term 76, Christmas holidays 12.