AI-generatedKymi at a glance
- Best time
- Jun – Sep
- Warmest month
- Jul · 29°
- Warmest sea
- Aug · 25.6°
- Sunshine a year
- 2,460 h
- Rain a year
- 514 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 211 m
Climate in Kymi
Kymi has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. July is the warmest month with average highs of 29 °C, while January is the coolest at 12 °C. With around 2,460 hours of sunshine a year, Kymi is sunny; July is the sunniest month with 11.3 hours a day.
Holiday weather through the year
Best time to visit Kymi
The best time to visit Kymi is from June to September. For a beach holiday – sea from 21 °C, warm and mostly dry – go from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from March to June and from September to November. The wettest month is December with 83 mm of precipitation.
Kymi through the seasons
How the weather changes over the seasons, with averages for each.
Kymi in spring
Mar – May
Fair
- 15–23 °C by day
- Sea 16 °C
- 7.2 h of sun a day
- 20 rainy days in all
Kymi in summer
Jun – Aug
Excellent
- 27–29 °C by day
- Sea 24 °C
- 10.8 h of sun a day
- 7 rainy days in all
Kymi in autumn
Sep – Nov
Fair
- 18–26 °C by day
- Sea 21 °C
- 5.7 h of sun a day
- 18 rainy days in all
Kymi in winter
Dec – Feb
Poor
- 12–14 °C by day
- Sea 15 °C
- 3.1 h of sun a day
- 29 rainy days in all
Which month for what?
Beach & swimming
Jun – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – Jun, Sep – Nov
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Kymi for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: June – September
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 15°
- Midday, 13:00: about 21°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 19°
- Night, 23:00: about 17°
07:3118:47
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 07:15–08:07 · evening 18:11–19:03
- Blue hour
- Morning 07:05–07:15 · evening 19:03–19:14
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 Kymi compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 24° at the start of the month to 20° at the end. The sea cools from 23° to 20°. The days get 1.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 24° | 20° |
| Night-time low | 16° | 13° |
| Sea | 23° | 20° |
| Daylight | 11.8 h | 10.7 h |
What is the weather like in Kymi in October?
In October, Kymi is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 5.7 hours of sunshine a day. Rain falls on about 6 days, adding up to 40 mm. All in all, October is a so-so month for a holiday in Kymi.
More details for October
- Daylight
- 11 h 16 min07:31 – 18:47
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 45 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %45 %
- Seaweight 25 %61 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %87 %
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 Kymi
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Kymi: score 100 against 58. In July, days are 7 °C warmer than in October. The sea is 4 °C warmer in July. July has 4 fewer rainy days. The sun shines 6 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 58 | 100better |
| Daytime high | 22° | 29° |
| Night-time low | 15° | 22° |
| Sea | 21.3° | 25.0° |
| Sunshine | 5.7 h | 11.3 hbetter |
| Rainy days | 6 | 2better |
| Rainfall | 40 mm | 10 mmbetter |
| Muggy days | 1better | 9 |
Based on the climate averages 1996–2025.
Kymi month by month
The typical weather for every month at a glance.
11January12° · Sea 15° · 2.9 h
In January, Kymi is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 14.9 °C – swimming is only for the hardy. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 10 rainy days and 70 mm in total. All in all, January is not an ideal month for a holiday in Kymi.
Kymi in January16February13° · Sea 15° · 3.9 h
In February, Kymi is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sea averages 14.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3.9 hours a day. Rain falls on about 9 days, adding up to 64 mm. All in all, February is not an ideal month for a holiday in Kymi.
Kymi in February22March15° · Sea 15° · 5.5 h
In March, Kymi is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 14.6 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Rain falls on about 9 days, adding up to 65 mm. All in all, March is not an ideal month for a holiday in Kymi.
Kymi in March32April19° · Sea 15° · 7.5 h
In April, Kymi is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun shines for around 7.5 hours a day. Rain falls on about 6 days, adding up to 36 mm. All in all, April is not an ideal month for a holiday in Kymi.
Kymi in April65May23° · Sea 18° · 8.7 h
In May, Kymi is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.7 hours a day. Rain falls on about 5 days, adding up to 30 mm. All in all, May is a good month for a holiday in Kymi.
Kymi in May94June27° · Sea 22° · 10.8 h
In June, Kymi is hot: daytime highs average 27 °C, and nights cool down to about 19 °C. The sea averages 22.3 °C – refreshing for a swim. With around 10.8 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 15 mm in total. All in all, June is an excellent month for a holiday in Kymi.
Kymi in June100July29° · Sea 25° · 11.3 h
In July, Kymi is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 25.0 °C – pleasant for swimming. With around 11.3 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. All in all, July is an excellent month for a holiday in Kymi.
Kymi in July100August29° · Sea 26° · 10.4 h
In August, Kymi is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 25.6 °C – pleasant for swimming. With around 10.4 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 10 mm in total. On about 11 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Kymi.
Kymi in August95September26° · Sea 24° · 7.9 h
In September, Kymi is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 24.1 °C – pleasant for swimming. The sun shines for around 7.9 hours a day. Rain is rare: about 5 days bring 37 mm in total. All in all, September is an excellent month for a holiday in Kymi.
Kymi in September58October22° · Sea 21° · 5.7 h
In October, Kymi is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 5.7 hours of sunshine a day. Rain falls on about 6 days, adding up to 40 mm. All in all, October is a so-so month for a holiday in Kymi.
Kymi in October22November18° · Sea 18° · 3.5 h
In November, Kymi is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.5 hours a day. Rain falls on about 7 days, adding up to 55 mm. All in all, November is not an ideal month for a holiday in Kymi.
Kymi in November12December14° · Sea 16° · 2.6 h
In December, Kymi is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.6 hours a day. Rain is frequent, with about 10 rainy days and 83 mm in total. All in all, December is not an ideal month for a holiday in Kymi.
Kymi in DecemberClimate in detail
Year & climate tableWarmest in July: 29°
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Kymi
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°
PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 1 day (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 July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to June and from September to October. Nights fall below 8 °C on average from January to February, so the room should be heated.
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 | 12° | 6° | 14.9° | 2.9 h | 10 | 70 |
| FebruaryFeb | 16 | 13° | 6° | 14.6° | 3.9 h | 9 | 64 |
| MarchMar | 22 | 15° | 8° | 14.6° | 5.5 h | 9 | 65 |
| AprilApr | 32 | 19° | 10° | 15.3° | 7.5 h | 6 | 36 |
| MayMay | 65 | 23° | 15° | 18.1° | 8.7 h | 5 | 30 |
| JuneJun | 94 | 27° | 19° | 22.3° | 10.8 h | 3 | 15 |
| JulyJul | 100 | 29° | 22° | 25.0° | 11.3 h | 2 | 10 |
| AugustAug | 100 | 29° | 22° | 25.6° | 10.4 h | 2 | 10 |
| SeptemberSep | 95 | 26° | 19° | 24.1° | 7.9 h | 5 | 37 |
| OctoberOct | 58 | 22° | 15° | 21.3° | 5.7 h | 6 | 40 |
| NovemberNov | 22 | 18° | 11° | 18.3° | 3.5 h | 7 | 55 |
| DecemberDec | 12 | 14° | 8° | 16.1° | 2.6 h | 10 | 83 |
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
38.63° N, 24.10° E · 211 m · Europe/Athens
Sea temperatureUp to 26° in August
Sea temperature in Kymi
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 20.1 – 22.4 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Kymi ranges from 14.6 °C in February to 25.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From November 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 24.6 and 26.6 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 14.9° | 13.8° | 16.0° | cold |
| FebruaryFeb | 14.6° | 13.8° | 15.4° | cold |
| MarchMar | 14.6° | 13.9° | 15.3° | cold |
| AprilApr | 15.3° | 14.6° | 16.2° | cold |
| MayMay | 18.1° | 17.1° | 18.9° | fresh |
| JuneJun | 22.3° | 21.5° | 23.1° | refreshing |
| JulyJul | 25.0° | 24.2° | 25.9° | pleasant |
| AugustAug | 25.6° | 24.6° | 26.6° | pleasant |
| SeptemberSep | 24.1° | 23.0° | 24.8° | pleasant |
| OctoberOct | 21.3° | 20.1° | 22.4° | refreshing |
| NovemberNov | 18.3° | 17.3° | 19.3° | fresh |
| DecemberDec | 16.1° | 15.2° | 17.2° | cold |
Sunshine2,460 hours a year
Sunshine hours in Kymi
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 5.7 of 11.3 hours of daylight in Kymi, 50 % 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.
Rain514 mm a year, most in December
Rain in Kymi: 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, Kymi has about 6 rainy days with 40 mm of rain in total.
UV indexUp to 10 in June
UV index in Kymi
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 & cloudsWindiest in August: 15 km/h
Wind and clouds in Kymi
How breezy and how cloudy Kymi 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 Kymi typically peaks at 13 km/h during the day: Beaufort 3, gentle breeze.
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 45 % of the sky over Kymi: variable cloud, with about 5.7 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 & humidity29 days of 30° or more a year
Heat and humidity in Kymi
How often the day gets hot in Kymi (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, Kymi has about 0 hot days, with an average daytime high of 22 °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 Kymi
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Kymi 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.
Kymi has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 12).
- 29
Easter holidays
Mar – Apr
Poor
- 18 °C by day
- Sea 15 °C
- 6.9 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 71
May half-term
May – Jun
Good
- 24 °C by day
- Sea 19 °C
- 9.1 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 100
Summer holidays
Jul – Aug
ExcellentBest holidays
- 29 °C by day
- Sea 25 °C
- 10.7 h of sun a day
- 2 rainy days a month
Good for: Beach & swimming
- 58
October half-term
Oct
Fair
- 22 °C by day
- Sea 21 °C
- 5.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 12
Christmas holidays
Dec – Jan
Poor
- 13 °C by day
- Sea 16 °C
- 2.8 h of sun a day
- 10 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 20 min
- Distance
- 2,380 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
Kymi compared
Put Kymi side by side with another destination.
Kymi vs Eretria
In October Eretria has the better holiday weather (score 74 vs 58). During the day Eretria is 2 °C warmer than Kymi. The sea is about equally warm.
| in October | Kymi | Eretria |
|---|---|---|
| Holiday weather score | 58 | 74 |
| Daytime high | 22° | 24° |
| Sea | 21° | 21° |
| Sunshine | 6 h | 6 h |
| Rainy days | 6 | 5 |
| Best time | Jun – Sep | Jun – Sep |
Through the year
Best places in the country
Greece in October: the best places
In October, Kymi ranks 25 among the 31 nearest destinations in this country.
- Athens25°23°91
- 2Piraeus24°23°91
- 3Thebes23°85
- 4Rafina25°22°84
- 5Elefsina25°23°84
- 6Palaio Faliro25°23°84
- 7Salamis Island24°23°84
- 8Livadeia23°84
- 25KymiThis page22°21°58
Places nearby4 places within 55 km
Near Kymi
Other destinations close by.
Places with a similar climatee.g. Sarti and Kallithea, Halkidiki
Places with a climate like Kymi
Destinations whose weather through the year is closest to Kymi's – good alternatives.
Frequently asked questions about Kymi
When is the best time to visit Kymi?
The best time to visit Kymi 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 Kymi?
The sea temperature in Kymi ranges from 14.6 °C in February to 25.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Kymi in October?
Yes. In October the sea averages 21.3 °C – refreshing for a swim.
What is the warmest month in Kymi?
July is the warmest month, with average highs of 29 °C and nights around 22 °C. January is the coolest month at 12 °C.
When does it rain most in Kymi?
The wettest month is December with 83 mm of precipitation. The driest month is August with 10 mm.
How many hours of sunshine does Kymi get?
Kymi gets around 2,460 hours of sunshine a year. The sunniest month is July with 11.3 hours a day; in December there are 2.6 hours a day.
What time zone is Kymi in?
Kymi is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Kymi?
A nonstop flight from London to Kymi takes about 3 h 20 min, for a straight-line distance of about 2,380 km.
Which school holidays are best for Kymi?
Kymi has its best school-holiday weather during the summer holidays (score 100) and its weakest during the Christmas holidays (score 12). Holiday ratings (0–100): Easter holidays 29, May half-term 71, summer holidays 100, October half-term 58, Christmas holidays 12.