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WorldGreece → Kos

Weather in Kos — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Kos
🌙
+29°
Clear
Feels like +29° · humidity 47%
Tue 28.7: +34° / +26°
🕐 00:25
Wind
19 km/h
UV index
0
Air (AQI)
43 · Moderate
Precipitation
0%
Humidity
47%
Pressure
1012 hPa
Sunrise / sunset
06:13 / 20:21
Sea temperature
🌊 +25°

👕 What to wear today

Hot — light breathable clothing, a hat, plenty of water.
💨 Windy💧 Bring water
Weather for an activity:

Detailed weather information for Kos

Tuesday, 28 July, in Kos (Greece): clear and sunny, hot. During the day the air will warm up to +34°, at night around +26°. Wind up to 28 km/h. No precipitation expected, you won't need an umbrella. Dress as lightly as possible, wear a hat, apply sunscreen and keep water with you. The sea has warmed up to +25° — great for swimming. The sun will rise at 06:13 and set at 20:21 — daylight lasts 14 hours.

Hourly weather in Kos

🌅 sunrise 06:13 🌇 sunset 20:21🌙🌙🌙☀️☀️☀️☀️🌙+29°+28°+28°+29°+32°+34°+33°+31°00:0003:0006:0009:0012:0015:0018:0021:00
💧 No precipitation expected on this day. 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 28.7
☀️
+26° +34°
Morning
☀️
+29°
Day
☀️
+34°
Evening
🌇
+32°
Night
🌙
+26°
Clear · precipitation 0% · wind up to 28 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Today 29.7
☀️
+28° +34°
Morning
☀️
+28°
Day
☀️
+34°
Evening
🌇
+32°
Night
🌙
+28°
Clear · precipitation 0% · wind up to 30 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Tomorrow 30.7
☀️
+26° +33°
Morning
☀️
+27°
Day
☀️
+33°
Evening
🌇
+32°
Night
🌙
+26°
Clear · precipitation 0% · wind up to 31 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Fri 31.7
☀️
+26° +33°
Morning
☀️
+29°
Day
☀️
+33°
Evening
🌇
+31°
Night
🌙
+26°
Clear · precipitation 0% · wind up to 23 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sat 1.8
☀️
+24° +33°
Morning
☀️
+27°
Day
☀️
+33°
Evening
🌇
+31°
Night
🌙
+24°
Clear · precipitation 0% · wind up to 10 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sun 2.8
🌤️
+25° +34°
Morning
🌤️
+28°
Day
🌤️
+34°
Evening
🌇
+32°
Night
🌙
+25°
Mostly clear · precipitation 0% · wind up to 12 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Mon 3.8
🌤️
+23° +32°
Morning
🌤️
+26°
Day
🌤️
+32°
Evening
🌇
+30°
Night
🌙
+23°
Mostly clear · precipitation 0% · wind up to 18 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Tue 4.8
🌤️
+24° +32°
Morning
🌤️
+27°
Day
🌤️
+32°
Evening
🌇
+30°
Night
🌙
+24°
Mostly clear · precipitation 0% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Wed 5.8
🌤️
+25° +31°
Morning
🌤️
+27°
Day
🌤️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Mostly clear · precipitation 0% · wind up to 28 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 6.8
☀️
+27° +34°
Morning
☀️
+30°
Day
☀️
+34°
Evening
🌇
+32°
Night
🌙
+27°
Clear · precipitation 0% · wind up to 24 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Fri 7.8
☀️
💧 4%
+27° +36°
Morning
☀️
+30°
Day
☀️
+36°
Evening
🌇
+34°
Night
🌙
+27°
Clear · precipitation 4% · wind up to 14 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sat 8.8
☀️
💧 3%
+26° +32°
Morning
☀️
+28°
Day
☀️
+32°
Evening
🌇
+31°
Night
🌙
+26°
Clear · precipitation 3% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sun 9.8
☀️
💧 1%
+25° +32°
Morning
☀️
+28°
Day
☀️
+32°
Evening
🌇
+30°
Night
🌙
+25°
Clear · precipitation 1% · wind up to 16 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Mon 10.8
☀️
+25° +32°
Morning
☀️
+28°
Day
☀️
+32°
Evening
🌇
+30°
Night
🌙
+25°
Clear · precipitation 0% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

🗺️ 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
75 / 100
for sea and sun · Good
🏊 Swimming
94 / 100
water 25° · Excellent
🏃 Running
34 / 100
comfort for running · So-so
🧴 UV
0%
moderate · low
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
82 / 100
will dry outside · Excellent
🚗 Car wash
95 / 100
no rain expected · Excellent

🌫️ Air quality and pollen

43
Moderate air
European AQI
PM2.5: 11PM10: 16O₃: 104NO₂: 3 pollen: low
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise
06:13
Sunset
20:21
Golden hour
19:44
Daylight
14 h (-2 min vs yesterday)
Sea temperature
+25°
🌊 slight, waves 0.8 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
+34°
Normal for July
+27°
Deviation
7° warmer than normal
A year ago on this day
+31°
Record for this date
+34° (2021)
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 →

Weather in cities near Kos

Frequently asked questions about the weather in Kos

What is the weather in Kos right now?
Clear, +29°, feels like +29°.
Will it rain in Kos today?
No: 0% chance, 0 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 06:13, sunset 20:21.
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.
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Data: Open-Meteo (CC-BY 4.0), met.no, NWS · radar RainViewer · archive since 1940 · © wweather1 · TrafficAdv LLC