Kos Town at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 27°
- Warmest sea
- Aug · 25.3°
- Sunshine a year
- 3,340 h
- Rain a year
- 816 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 10 m
Climate in Kos Town
Kos Town has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 27 °C, while January is the coolest at 14 °C. With around 3,340 hours of sunshine a year, Kos Town is very sunny; July is the sunniest month with 13.0 hours a day.
Weather in October
Holiday weather in October
Good
Best time to visit: June – September
What is the weather like in Kos Town in October?
In October, Kos Town is warm: daytime highs average 22 °C, and nights cool down to about 20 °C. The sea averages 22.8 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 62 mm in total. All in all, October is a good month for a holiday in Kos Town.
More details for October
- Daylight
- 11 h 19 min07:17 – 18:36
- UV index
- 5 · moderateclear sky, noon (estimate)
- Muggy days
- 8 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 27 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %53 %
- Seaweight 25 %83 %
- Sunshineweight 20 %88 %
- 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
- Sunglasses & sun hat
Sea temperature in Kos Town
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 21.8 – 23.9 °C
Swimming season: Jun – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Kos Town ranges from 16.8 °C in March to 25.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
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 24.5 and 26.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 17.7° | 16.8° | 18.6° | fresh |
| FebruaryFeb | 16.9° | 16.0° | 17.6° | cold |
| MarchMar | 16.8° | 16.3° | 17.4° | cold |
| AprilApr | 17.5° | 16.8° | 18.0° | fresh |
| MayMay | 19.6° | 18.8° | 20.2° | fresh |
| JuneJun | 22.3° | 21.6° | 23.0° | refreshing |
| JulyJul | 24.0° | 23.3° | 24.9° | pleasant |
| AugustAug | 25.3° | 24.5° | 26.1° | pleasant |
| SeptemberSep | 24.6° | 23.6° | 25.4° | pleasant |
| OctoberOct | 22.8° | 21.8° | 23.9° | refreshing |
| NovemberNov | 21.0° | 20.3° | 21.9° | refreshing |
| DecemberDec | 19.2° | 18.7° | 20.2° | fresh |
Sunshine hours in Kos Town
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 8.3 of 11.3 hours of daylight in Kos Town, 73 % of the day.
Sunshine hours count the time with bright, direct sunshine (WMO definition, estimated from model data); daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Kos Town: 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, Kos Town has about 5 rainy days with 62 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
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 | 21 | 14° | 12° | 17.7° | 6.1 h | 12 | 165 |
| FebruaryFeb | 24 | 14° | 12° | 16.9° | 7.0 h | 11 | 116 |
| MarchMar | 31 | 15° | 13° | 16.8° | 7.9 h | 8 | 78 |
| AprilApr | 38 | 18° | 15° | 17.5° | 8.9 h | 7 | 53 |
| MayMay | 60 | 21° | 18° | 19.6° | 10.7 h | 4 | 21 |
| JuneJun | 92 | 25° | 22° | 22.3° | 12.4 h | 1 | 6 |
| JulyJul | 100 | 27° | 24° | 24.0° | 13.0 h | 0 | 1 |
| AugustAug | 100 | 27° | 25° | 25.3° | 12.3 h | 0 | 1 |
| SeptemberSep | 100 | 25° | 23° | 24.6° | 10.6 h | 2 | 19 |
| OctoberOct | 76 | 22° | 20° | 22.8° | 8.3 h | 5 | 62 |
| NovemberNov | 42 | 19° | 17° | 21.0° | 6.8 h | 9 | 122 |
| DecemberDec | 25 | 16° | 14° | 19.2° | 5.7 h | 12 | 171 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)
36.89° N, 27.29° E · 10 m · Europe/Athens
Best time to visit Kos Town
The best time to visit Kos Town is from June to September. For a beach holiday with the sea above 21 °C, go from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from March to November. Rain is most frequent from December to January; the wettest month is December with 171 mm.
Find your perfect month
Tell us what you like and we rate every month in Kos Town for you.
Your best months: July – September
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Jun – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – Nov
15–28 °C and not too much rain
Rainy months
Dec – Jan
12 or more rainy days
Kos Town month by month
The typical weather for every month at a glance.
21January14° · Sea 18° · 6 h
In January, Kos Town is cool: daytime highs average 14 °C, and nights cool down to about 12 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 165 mm in total. All in all, January is not an ideal month for a holiday in Kos Town.
Kos Town in January24February14° · Sea 17° · 7 h
In February, Kos Town is cool: daytime highs average 14 °C, and nights cool down to about 12 °C. The sea averages 16.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 116 mm in total. All in all, February is not an ideal month for a holiday in Kos Town.
Kos Town in February31March15° · Sea 17° · 8 h
In March, Kos Town is cool: daytime highs average 15 °C, and nights cool down to about 13 °C. The sea averages 16.8 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 78 mm. All in all, March is not an ideal month for a holiday in Kos Town.
Kos Town in March38April18° · Sea 18° · 9 h
In April, Kos Town is mild: daytime highs average 18 °C, and nights cool down to about 15 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain falls on about 7 days, adding up to 53 mm. All in all, April is not an ideal month for a holiday in Kos Town.
Kos Town in April60May21° · Sea 20° · 11 h
In May, Kos Town is mild: daytime highs average 21 °C, and nights cool down to about 18 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 21 mm in total. All in all, May is a good month for a holiday in Kos Town.
Kos Town in May92June25° · Sea 22° · 12 h
In June, Kos Town is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 22.3 °C – refreshing for a swim. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Kos Town.
Kos Town in June100July27° · Sea 24° · 13 h
In July, Kos Town is warm: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 24.0 °C – pleasant for swimming. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Kos Town.
Kos Town in July100August27° · Sea 25° · 12 h
In August, Kos Town is hot: daytime highs average 27 °C, and even at night it stays warm at around 25 °C. The sea averages 25.3 °C – pleasant for swimming. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Kos Town.
Kos Town in August100September25° · Sea 25° · 11 h
In September, Kos Town is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 24.6 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 19 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Kos Town.
Kos Town in September76October22° · Sea 23° · 8 h
In October, Kos Town is warm: daytime highs average 22 °C, and nights cool down to about 20 °C. The sea averages 22.8 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 62 mm in total. All in all, October is a good month for a holiday in Kos Town.
Kos Town in October42November19° · Sea 21° · 7 h
In November, Kos Town is mild: daytime highs average 19 °C, and nights cool down to about 17 °C. The sea averages 21.0 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 122 mm. All in all, November is a so-so month for a holiday in Kos Town.
Kos Town in November25December16° · Sea 19° · 6 h
In December, Kos Town is mild: daytime highs average 16 °C, and nights cool down to about 14 °C. The sea averages 19.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 171 mm in total. All in all, December is not an ideal month for a holiday in Kos Town.
Kos Town in DecemberPlanning a trip to Kos Town
Getting there
Flying from
- Nonstop flight
- about 3 h 45 min
- Distance
- 2,720 km
- Time zone
- UTC+3
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Kos Town
When is the best time to visit Kos Town?
The best time to visit Kos Town 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 Kos Town?
The sea temperature in Kos Town ranges from 16.8 °C in March to 25.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
Can you swim in Kos Town in October?
Yes. In October the sea averages 22.8 °C – refreshing for a swim.
What is the warmest month in Kos Town?
August is the warmest month, with average highs of 27 °C and nights around 25 °C. January is the coolest month at 14 °C.
When does it rain most in Kos Town?
Rain is most frequent from December to January; the wettest month is December with 171 mm. The driest month is August with 1 mm.
How many hours of sunshine does Kos Town get?
Kos Town gets around 3,340 hours of sunshine a year. The sunniest month is July with 13.0 hours a day; in December there are 5.7 hours a day.
What time zone is Kos Town in?
Kos Town uses the time zone Europe/Athens: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Kos Town?
A nonstop flight from London to Kos Town takes about 3 h 45 min, for a straight-line distance of about 2,720 km.
Near Kos Town
Other destinations close by.