GR Kos · Summer

Visit Kos
in August?

Visiting Kos in August? Excellent choice.

Open-Meteo · 10 years · 12 months compared · 36.89°N 27.09°E
86°FMax temperature
1%Rainy days
13.0hSunshine / day

Kos weather in August

✅ Excellent
🌡️ Temperature min / max
77°F – 86°F
🌧 Rainy days
1% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
9.2/10
📅 📅 Best month
June (9.8/10)

Should you visit Kos in August?

✅ Excellent

✅ Yes if: you're looking for maximum sunshine — 13.0h per day on average.

❌ No if: you struggle with heat — temperatures regularly exceed 30°F.

🌧 Rain : ░░░░░░░░░░ 1%
🌡 Temperature : ████████░░ 86°F
☀️ Sunshine : █████████░ 13.0h/d

Our take: Kos in August ticks all the boxes: warmth, sunshine, minimal rain.

Kos in August by trip type

What to expect in August

In the height of summer, Kos sees high temperatures (30°F). Heat is a factor for outdoor activities. Rain is virtually absent (1% of days) — ideal for planning without a backup. This is one of the best times of year to visit Kos.

All months for Kos

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌦️ January52°F59°F42%0.1in9.0h5.8/10
⛅ February54°F61°F32%0.1in9.9h7.0/10
⛅ March55°F63°F23%0.1in11.0h7.2/10
🌤️ April59°F66°F16%0.0in12.1h7.7/10
🌤️ May64°F72°F12%0.0in13.4h8.6/10
☀️ June72°F81°F4%0.0in14.0h9.8/10
☀️ July75°F86°F1%0.0in13.8h9.4/10
☀️ August77°F86°F1%0.0in13.0h9.2/10
☀️ September73°F81°F4%0.0in12.0h9.4/10
🌤️ October66°F73°F11%0.0in10.1h8.3/10
🌤️ November61°F68°F28%0.1in9.8h7.4/10
⛅ December55°F63°F38%0.1in8.9h7.0/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Kos averages 86°F, 1% rainy days and 13.0h of sunshine per day. Overall weather score: 9.2/10. See methodology →

August vs June (best month)

The best month is June (score 9.8/10). Difference:

FAQ — Kos in August

Is August a good time to visit Kos?
August is an excellent time to visit Kos (score 9.2/10). With 86°F, 13.0h of sunshine and 1% rain, conditions are very favourable.
Is it too hot in Kos in August?
Temperatures reach 86°F. It's intense but manageable with sunscreen and water. Sunshine: 13.0h/day.

Find a place to stay in Kos

Find places to stay in Kos in August Search on Hotels.com

Activities and tours in Kos

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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