Weather in Kos — today
Now in Kos
⛈️
+20°
Thunderstorm
Feels like +21° · humidity 89%
Tue 13.10: +23° / +20°
🕐 00:25
Wind
14 km/h
UV index
0
Air (AQI)
34 · Good
Precipitation
80%
Humidity
89%
Pressure
1010 hPa
Sunrise / sunset
07:16 / 18:37
Sea temperature
🌊 +25°
👕 What to wear today
Comfortable — a T-shirt, a light sweater for the evening.
☂️ Take an umbrella
Weather for an activity:
Detailed weather information for Kos
Tuesday, 13 October, in Kos (Greece): cloudy, light rain in places, moderately warm. During the day the air will warm up to +23°, at night around +20°. Wind up to 16 km/h. High chance of rain — be sure to take an umbrella or a raincoat. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sea has warmed up to +25° — great for swimming. The sun will rise at 07:16 and set at 18:37 — daylight lasts 11 hours.Hourly weather in Kos
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Kos for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Tue 13.10
🌦️
💧 80%
+20° +23°
Morning
🌦️
+21°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+20°
▶
Today 14.10
⛈️
💧 100%
+19° +20°
Morning
⛈️
+19°
Day
⛈️
+20°
Evening
🌇
+19°
Night
🌙
+19°
▶
Tomorrow 15.10
⛅
💧 18%
+18° +21°
Morning
🌤️
+18°
Day
⛅
+21°
Evening
🌇
+20°
Night
🌙
+18°
▶
Fri 16.10
☁️
💧 1%
+17° +20°
Morning
☁️
+18°
Day
☁️
+20°
Evening
🌇
+19°
Night
🌙
+17°
▶
Sat 17.10
🌦️
💧 68%
+16° +20°
Morning
🌦️
+17°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+16°
▶
Sun 18.10
☁️
💧 24%
+16° +21°
Morning
☁️
+18°
Day
☁️
+21°
Evening
🌇
+20°
Night
🌙
+16°
▶
Mon 19.10
🌤️
💧 18%
+16° +20°
Morning
🌤️
+17°
Day
🌤️
+20°
Evening
🌇
+19°
Night
🌙
+16°
▶
Tue 20.10
⛅
💧 22%
+18° +22°
Morning
⛅
+19°
Day
⛅
+22°
Evening
🌇
+21°
Night
🌙
+18°
▶
Wed 21.10
🌦️
💧 21%
+19° +22°
Morning
🌦️
+20°
Day
🌦️
+22°
Evening
🌇
+21°
Night
🌙
+19°
▶
Thu 22.10
🌦️
💧 25%
+17° +21°
Morning
🌦️
+18°
Day
🌦️
+21°
Evening
🌇
+20°
Night
🌙
+17°
▶
Fri 23.10
🌦️
💧 26%
+16° +21°
Morning
🌦️
+18°
Day
🌦️
+21°
Evening
🌇
+20°
Night
🌙
+16°
▶
Sat 24.10
🌦️
💧 31%
+13° +16°
Morning
🌦️
+14°
Day
🌦️
+16°
Evening
🌇
+15°
Night
🌙
+13°
▶
Sun 25.10
⛅
💧 28%
+11° +14°
Morning
⛅
+12°
Day
⛅
+14°
Evening
🌇
+13°
Night
🌙
+11°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
6 / 100
for sea and sun · Bad
🏊 Swimming
14 / 100
water 25° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
80%
likely · high
✨ Stars
32 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
34
Good air
European AQI
PM2.5: 4PM10: 9O₃: 87NO₂: 1
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
07:16
Sunset
18:37
Golden hour
18:02
Daylight
11 h (-2 min vs yesterday)
Sea temperature
+25°
🌊 slight, waves 0.5 m.
Kos climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+14°
+11°
Jan
+14°
+11°
Feb
+15°
+12°
Mar
+18°
+14°
Apr
+21°
+18°
May
+25°
+22°
Jun
+27°
+24°
Jul
+27°
+25°
Aug
+25°
+23°
Sep
+22°
+19°
Oct
+19°
+16°
Nov
+16°
+13°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Sea | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|---|
| January | +14° | +11° | +19° | 163 mm | Cool weather: +14° by day, noticeably colder in the evening. One of the wettest months (163 mm): downpours can derail plans. 🧥 a warm jacket. Sea at +19° — swimmable, refreshing. This is the coldest month of the year. |
| February | +14° | +11° | +18° | 127 mm | Cool: around +14° by day, you'll need a warm layer. It's a rainy month (127 mm) — an umbrella is a must. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing. |
| March | +15° | +12° | +18° | 74 mm | A fresh month — +15° daytime, take a jacket for walks. Frequent rain (74 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing. |
| April | +18° | +14° | +18° | 39 mm | Cool weather: +18° by day, noticeably colder in the evening. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing. |
| May | +21° | +18° | +20° | 16 mm | One of the best times to visit: +21° by day, fresh nights. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. |
| June | +25° | +22° | +23° | 2 mm | Ideal weather: +25° daytime — neither hot nor cold. 😊 light summer clothing. Water at +23° — great for swimming. The longest daylight hours of the year — more time for everything. |
| July | +27° | +24° | +26° | 0 mm | A comfortable month: +27° by day without exhausting heat. 😊 light summer clothing. Water at +26° — great for swimming. Weather-wise, one of the three best months to visit. |
| August | +27° | +25° | +27° | 0 mm | Warm and comfortable: +27° by day, +25° at night. 😊 light summer clothing. Water at +27° — great for swimming. This is the hottest month of the year in Kos. |
| September | +25° | +23° | +26° | 15 mm | Ideal weather: +25° daytime — neither hot nor cold. 😊 light summer clothing. Water at +26° — great for swimming. |
| October | +22° | +19° | +24° | 60 mm | The most pleasant season: +22° by day, comfortable all day long. 🙂 a sweater for the evening. Water at +24° — great for swimming. |
| November | +19° | +16° | +22° | 117 mm | One of the best times to visit: +19° by day, fresh nights. It's a rainy month (117 mm) — an umbrella is a must. 🙂 a sweater for the evening. Water at +22° — great for swimming. |
| December | +16° | +13° | +21° | 181 mm | A fresh month — +16° daytime, take a jacket for walks. Frequent rain (181 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Sea at +21° — swimmable, refreshing. Statistically the wettest month of the year. |
When to visit Kos
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+25…+27°
Sea temperature+23…+27°
Precipitationnone
Why: comfortable +25…+27° by day, little rain, warm sea (+23…27°).
⚠️ Doable, with caveats
🌤️ Shoulder season: March, April, May, September, October, November
Daytime air+15…+25°
Sea temperature+18…+26°
Precipitationoften
Why: cool (+15…+25°) — not beach season, but great for city sights and museums.
🔴 Not the best time
🌤️ Shoulder season: January, February, December
Daytime air+14…+16°
Sea temperature+18…+21°
Precipitationoften
Why: the rainy season (127–181 mm/month) — downpours almost daily.
Bottom line: the best time to visit Kos is June – August, and the most comfortable months are June, July, August. The toughest months to visit are January, February, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+23°
Normal for October
+22°
Deviation
1° warmer than normal
A year ago on this day
+22°
Record for this date
+26° (2019)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Kos
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near Kos
Frequently asked questions about the weather in Kos
What is the weather in Kos right now?＋
Thunderstorm, +20°, feels like +21°.
Will it rain in Kos today?＋
Yes: 80% chance, 6 mm.
When is the best time to visit Kos?＋
Best time to visit — June – August.
Can you swim in Kos in summer?＋
In winter the water is around +19° — swimmable, refreshing. In summer the sea warms up to +25°.
What time are sunrise and sunset in Kos?＋
Sunrise 07:16, sunset 18:37.
Does it snow in Kos in winter?＋
No, it practically never snows.
What is the climate in Kos by month?＋
Summers up to +27° in August, winters around +11° in January; the wettest month is December.
Is it cold in Kos in winter?＋
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.