AI-generatedHalki at a glance
- Best time
- Jun – Oct
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 26.0°
- Sunshine a year
- 2,920 h
- Rain a year
- 455 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 11 m
Climate in Halki
Halki has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 32 °C, while January is the coolest at 16 °C. With around 2,920 hours of sunshine a year, Halki is sunny; July is the sunniest month with 11.1 hours a day.
Holiday weather through the year
Best time to visit Halki
The best time to visit Halki is from June to October. 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 October to May. The wettest month is January with 108 mm of precipitation.
Halki through the seasons
How the weather changes over the seasons, with averages for each.
Halki in spring
Mar – May
Fair
- 19–26 °C by day
- Sea 18 °C
- 8.3 h of sun a day
- 13 rainy days in all
Halki in summer
Jun – Aug
Excellent
- 30–32 °C by day
- Sea 24 °C
- 10.9 h of sun a day
- 0 rainy days in all
Halki in autumn
Sep – Nov
Excellent
- 22–30 °C by day
- Sea 23 °C
- 7.7 h of sun a day
- 12 rainy days in all
Halki in winter
Dec – Feb
Poor
- 16–18 °C by day
- Sea 18 °C
- 5.0 h of sun a day
- 33 rainy days in all
Which month for what?
Beach & swimming
Jun – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Oct – May
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Halki for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: June – October
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 20°
- Midday, 13:00: about 26°
- Afternoon, 16:00: about 26°
- Evening, 20:00: about 23°
- Night, 23:00: about 22°
07:1518:35
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 06:59–07:50 · evening 18:00–18:51
- Blue hour
- Morning 06:49–06:59 · evening 18:51–19:01
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 Halki compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 28° at the start of the month to 24° at the end. The sea cools from 24° to 22°. The days get 1.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 28° | 24° |
| Night-time low | 21° | 17° |
| Sea | 24° | 22° |
| Daylight | 11.9 h | 10.8 h |
What is the weather like in Halki in October?
In October, Halki is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 23.5 °C – pleasant for swimming. The sun shines for around 7.7 hours a day. Rain is rare: about 4 days bring 25 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, October is an excellent month for a holiday in Halki.
More details for October
- Daylight
- 11 h 20 min07:15 – 18:35
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 24 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %93 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Light, breathable clothes
- Windproof jacket
Compare two months in Halki
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 Halki: score 100 against 94. 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 |
|---|---|---|
| Holiday weather score | 94 | 100better |
| Daytime high | 26° | 30° |
| Night-time low | 19° | 23° |
| Sea | 23.5° | 25.4° |
| Sunshine | 7.7 h | 9.5 hbetter |
| Rainy days | 4 | 1better |
| Rainfall | 25 mm | 7 mmbetter |
| Muggy days | 5better | 17 |
Based on the climate averages 1996–2025.
Halki month by month
The typical weather for every month at a glance.
18January16° · Sea 18° · 4.8 h
In January, Halki is mild: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.8 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 108 mm in total. It is often windy: on a typical day the wind peaks at around 36 km/h. All in all, January is not an ideal month for a holiday in Halki.
Halki in January21February17° · Sea 17° · 5.5 h
In February, Halki is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 17.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 74 mm in total. It is often windy: on a typical day the wind peaks at around 36 km/h. All in all, February is not an ideal month for a holiday in Halki.
Halki in February29March19° · Sea 17° · 6.9 h
In March, Halki is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.9 hours a day. Rain falls on about 7 days, adding up to 45 mm. It is often windy: on a typical day the wind peaks at around 35 km/h. All in all, March is not an ideal month for a holiday in Halki.
Halki in March55April22° · Sea 18° · 8.5 h
In April, Halki is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 17.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.5 hours a day. Rain is rare: about 4 days bring 21 mm in total. It is often windy: on a typical day the wind peaks at around 31 km/h. All in all, April is a so-so month for a holiday in Halki.
Halki in April84May26° · Sea 20° · 9.6 h
In May, Halki is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. With around 9.6 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 8 mm in total. All in all, May is an excellent month for a holiday in Halki.
Halki in May93June30° · Sea 22° · 11.0 h
In June, Halki is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 22.1 °C – refreshing for a swim. With around 11.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 12 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, June is an excellent month for a holiday in Halki.
Halki in June96July32° · Sea 24° · 11.1 h
In July, Halki is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 24.4 °C – pleasant for swimming. With around 11.1 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. It is often windy: on a typical day the wind peaks at around 32 km/h. All in all, July is an excellent month for a holiday in Halki.
Halki in July94August32° · Sea 26° · 10.7 h
In August, Halki is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 26.0 °C – lovely and warm for swimming. With around 10.7 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 29 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 30 km/h. All in all, August is an excellent month for a holiday in Halki.
Halki in August100September30° · Sea 25° · 9.5 h
In September, Halki is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 25.4 °C – pleasant for swimming. With around 9.5 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 14 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 31 km/h. All in all, September is an excellent month for a holiday in Halki.
Halki in September94October26° · Sea 24° · 7.7 h
In October, Halki is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 23.5 °C – pleasant for swimming. The sun shines for around 7.7 hours a day. Rain is rare: about 4 days bring 25 mm in total. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, October is an excellent month for a holiday in Halki.
Halki in October57November22° · Sea 21° · 5.8 h
In November, Halki is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 5.8 hours of sunshine a day. Rain falls on about 7 days, adding up to 61 mm. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, November is a so-so month for a holiday in Halki.
Halki in November24December18° · Sea 19° · 4.6 h
In December, Halki is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 19.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 104 mm in total. It is often windy: on a typical day the wind peaks at around 34 km/h. All in all, December is not an ideal month for a holiday in Halki.
Halki in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Halki
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 (15+ muggy days)
PleasantOctober: nights around 19°. Ideal for sleeping, often with the window open. Muggy on about 5 days (dew point 18 °C or more).
The coolest nights are in February (11°), the warmest in August (25°). 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 87 days a year, mostly from July 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 | 16° | 11° | 18.0° | 4.8 h | 12 | 108 |
| FebruaryFeb | 21 | 17° | 11° | 17.1° | 5.5 h | 10 | 74 |
| MarchMar | 29 | 19° | 12° | 17.0° | 6.9 h | 7 | 45 |
| AprilApr | 55 | 22° | 14° | 17.6° | 8.5 h | 4 | 21 |
| MayMay | 84 | 26° | 18° | 19.5° | 9.6 h | 2 | 8 |
| JuneJun | 93 | 30° | 22° | 22.1° | 11.0 h | 0 | 1 |
| JulyJul | 96 | 32° | 24° | 24.4° | 11.1 h | 0 | 0 |
| AugustAug | 94 | 32° | 25° | 26.0° | 10.7 h | 0 | 0 |
| SeptemberSep | 100 | 30° | 23° | 25.4° | 9.5 h | 1 | 7 |
| OctoberOct | 94 | 26° | 19° | 23.5° | 7.7 h | 4 | 25 |
| NovemberNov | 57 | 22° | 16° | 21.3° | 5.8 h | 7 | 61 |
| DecemberDec | 24 | 18° | 13° | 19.4° | 4.6 h | 11 | 104 |
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
36.22° N, 27.61° E · 11 m · Europe/Athens
Sea temperature in Halki
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 22.4 – 24.3 °C
Swimming season: Jun – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Halki ranges from 17.0 °C in March to 26.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
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 25.2 and 26.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 18.0° | 17.0° | 18.8° | fresh |
| FebruaryFeb | 17.1° | 16.2° | 17.8° | fresh |
| MarchMar | 17.0° | 16.4° | 17.7° | fresh |
| AprilApr | 17.6° | 17.0° | 18.2° | fresh |
| MayMay | 19.5° | 18.8° | 20.0° | fresh |
| JuneJun | 22.1° | 21.3° | 22.8° | refreshing |
| JulyJul | 24.4° | 23.5° | 25.2° | pleasant |
| AugustAug | 26.0° | 25.2° | 26.7° | warm |
| SeptemberSep | 25.4° | 24.5° | 26.3° | pleasant |
| OctoberOct | 23.5° | 22.4° | 24.3° | pleasant |
| NovemberNov | 21.3° | 20.3° | 22.2° | refreshing |
| DecemberDec | 19.4° | 18.6° | 20.3° | fresh |
Sunshine hours in Halki
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 7.7 of 11.3 hours of daylight in Halki, 68 % of the daylight hours.
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.
Rain in Halki: 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, Halki has about 4 rainy days with 25 mm of rain in total.
UV index in Halki
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 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 and clouds in Halki
How breezy and how cloudy Halki 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 Halki typically peaks at 29 km/h during the day: Beaufort 5, fresh 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 24 % of the sky over Halki: mostly sunny, with about 7.7 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 Halki
How often the day gets hot in Halki (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, Halki has about 1 hot day, with an average daytime high of 26 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
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 Halki
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Halki 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.
Halki has its best school-holiday weather during the summer holidays (score 95) and its weakest during the Christmas holidays (score 21).
- 47
Easter holidays
Mar – Apr
Fair
- 21 °C by day
- Sea 17 °C
- 8.0 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 86
May half-term
May – Jun
Excellent
- 26 °C by day
- Sea 20 °C
- 9.9 h of sun a day
- 2 rainy days a month
Good for: Sightseeing & walks
- 95
Summer holidays
Jul – Aug
ExcellentBest holidays
- 32 °C by day
- Sea 25 °C
- 10.8 h of sun a day
- 0 rainy days a month
Good for: Beach & swimming
- 94
October half-term
Oct
Excellent
- 26 °C by day
- Sea 24 °C
- 7.7 h of sun a day
- 4 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 21
Christmas holidays
Dec – Jan
Poor
- 17 °C by day
- Sea 19 °C
- 4.7 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 50 min
- Distance
- 2,790 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.
Compare & alternatives
Halki compared
Put Halki side by side with another destination.
Halki vs Lindos
In October the holiday weather in Halki and Lindos is about equally good (score 94 vs 94). During the day it is about as warm in Lindos as in Halki. The sea is about equally warm.
| in October | Halki | Lindos |
|---|---|---|
| Holiday weather score | 94 | 94 |
| Daytime high | 26° | 26° |
| Sea | 24° | 24° |
| Sunshine | 8 h | 8 h |
| Rainy days | 4 | 5 |
| Best time | Jun – Oct | May – Oct |
Through the year
Greece in October: the best places
In October, Halki ranks 1 among the 31 nearest destinations in this country.
- HalkiThis page26°24°94
- 2Lindos26°24°94
- 3Ialysos26°24°94
- 4Faliraki26°24°94
- 5Rhodes Town26°24°94
- 6Kastellorizo27°25°94
- 7Symi26°24°93
- 8Kos Town25°23°89
Near Halki
Other destinations close by.
Places with a climate like Halki
Destinations whose weather through the year is closest to Halki's – good alternatives.
Frequently asked questions about Halki
When is the best time to visit Halki?
The best time to visit Halki 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 Halki?
The sea temperature in Halki ranges from 17.0 °C in March to 26.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
Can you swim in Halki in October?
Yes. In October the sea averages 23.5 °C – pleasant for swimming.
What is the warmest month in Halki?
August is the warmest month, with average highs of 32 °C and nights around 25 °C. January is the coolest month at 16 °C.
When does it rain most in Halki?
The wettest month is January with 108 mm of precipitation. The driest month is July with 0 mm.
How many hours of sunshine does Halki get?
Halki gets around 2,920 hours of sunshine a year. The sunniest month is July with 11.1 hours a day; in December there are 4.6 hours a day.
What time zone is Halki in?
Halki is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Halki?
A nonstop flight from London to Halki takes about 3 h 50 min, for a straight-line distance of about 2,790 km.
Which school holidays are best for Halki?
Halki has its best school-holiday weather during the summer holidays (score 95) and its weakest during the Christmas holidays (score 21). Holiday ratings (0–100): Easter holidays 47, May half-term 86, summer holidays 95, October half-term 94, Christmas holidays 21.