Monthly climate guide
Kos weather in October
October in Kos is typically warm, with average daytime highs around 25°C (76°F) and night-time lows near 19°C (66°F). The month usually brings about 50 mm of rain (some rain) and is mostly sunny. Daytime highs are 4°C cooler than September and 4°C warmer than November.
What stands out in October
- Temperatures are falling — expect highs around 4°C lower by November.
- Seasonally, October counts as mid-autumn in Kos.
- Good walking weather for combining Zia and Asklepion in one day.
- Kos is usually about 2°C warmer than Kálymnos, 30 km away, in October.
Avg high
25°C
76°F
Avg low
19°C
66°F
Rainfall
50 mm
some rain
Humidity
66%
relative
Sky
27%
cloud · mostly sunny
Kos weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 10°C / 51°F | 166 mm | 74% | 56% |
| February | 15°C / 59°F | 11°C / 52°F | 112 mm | 75% | 51% |
| March | 17°C / 62°F | 12°C / 54°F | 74 mm | 74% | 48% |
| April | 20°C / 68°F | 14°C / 58°F | 41 mm | 72% | 41% |
| May | 24°C / 75°F | 18°C / 65°F | 28 mm | 70% | 36% |
| June | 28°C / 83°F | 22°C / 71°F | 7 mm | 66% | 18% |
| July | 32°C / 89°F | 24°C / 75°F | 2 mm | 60% | 8% |
| August | 32°C / 90°F | 25°C / 76°F | 3 mm | 60% | 7% |
| September | 29°C / 84°F | 22°C / 72°F | 19 mm | 63% | 13% |
| October | 25°C / 76°F | 19°C / 66°F | 50 mm | 66% | 27% |
| November | 20°C / 69°F | 16°C / 60°F | 88 mm | 68% | 38% |
| December | 16°C / 61°F | 12°C / 54°F | 134 mm | 72% | 49% |
What to pack for October
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
- Sunglasses
Is October a good time to visit Kos?
Our Kos guide recommends: May–June and September–October for warm sea and fewer crowds.
Rent a bike in Kos Town; there are cycle lanes along the coast.
Best time to visit Kos →Other Greece cities in October
Cite or embed this data
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Kos weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/kos/october
<a href="https://weathercompare.eu/weather/greece/kos/october">Kos weather in October</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/kos" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Kos weather in October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/kos/october">Kos weather in October</a> – WeatherCompare</p>
Kos in October: quick answers
Is October a good time to visit Kos?
October is a reasonable time for Kos: highs around 25°C and about 50 mm of rain, though not one of the three best months.
How warm is Kos in October?
Average highs are about 25°C (76°F) and average lows about 19°C (66°F), based on 10 years of daily data.
Does it rain a lot in Kos in October?
Kos typically gets around 50 mm of rain in October — some rain.
When is the best time to visit Kos?
May–June and September–October for warm sea and fewer crowds.
Figures are long-term averages for the area around Kos (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.