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📊 Monthly Climate Overview
| Month | Max °C | Min °C | Rain mm | Rain Days | Sun h | Wind km/h | Sea °C |
|---|---|---|---|---|---|---|---|
| Jan | 11.7°C | 8.6°C | 74.5 mm | 11 | 7.8 h | 32.3 km/h | 16.5°C |
| Feb | 12.4°C | 9.2°C | 46.9 mm | 8 | 9.2 h | 31.6 km/h | 16.6°C |
| Mar | 13.3°C | 9.9°C | 46.1 mm | 8 | 10.0 h | 31.2 km/h | 16.3°C |
| Apr | 16.4°C | 11.9°C | 16.8 mm | 4 | 11.4 h | 26.6 km/h | 17°C |
| May | 20.2°C | 15.2°C | 10.3 mm | 3 | 12.7 h | 24.5 km/h | 18.6°C |
| Jun | 24.1°C | 19°C | 4.3 mm | 2 | 13.8 h | 23.8 km/h | 21.9°C |
| Jul | 26.2°C | 21.5°C | 1 mm | 0 | 13.5 h | 29 km/h | 24.4°C |
| Aug | 26.1°C | 21.9°C | 1.2 mm | 1 | 12.9 h | 27.3 km/h | 25.4°C |
| Sep | 23.8°C | 19.9°C | 8.5 mm | 2 | 11.8 h | 26.4 km/h | 24.4°C |
| Oct | 20.1°C | 16.5°C | 17.5 mm | 3 | 10.1 h | 26.3 km/h | 23°C |
| Nov | 16.9°C | 13.6°C | 33.7 mm | 5 | 9.0 h | 28.3 km/h | 20.7°C |
| Dec | 13.5°C | 10.5°C | 54.7 mm | 9 | 8.0 h | 30.6 km/h | 18.5°C |
📖Climate & Best Time to Visit Ios
Ios (Greece) has a Mediterranean / mild temperate climate with an annual average of around 17 °C. Daytime highs average 19 °C, while nights cool to about 15 °C. The destination sees roughly 316 mm of rainfall per year and 10.9 hours of sunshine per day on average.
Classic travel season is the warmer half of the year: highs reach 26.2 °C in July with only 0 rainy days. The sunniest month is June with 13.8 hours of daily sun; the driest is July at just 0 rain days.
Rainfall varies through the year: peaks in January (11 rainy days), driest month is July (0).
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Frequently asked questions about Ios
When is the best time to visit Ios?
The best time to visit Ios: June to September – best in July (avg. 23.9 °C, 0 rainy days). Based on the monthly values for 2014 to 2023.
What are the temperatures in Ios?
The warmest month is July with an average of 23.9 °C and daytime highs around 26.2 °C. The coldest month is January with an average of 10.1 °C and night-time lows around 8.6 °C.
How many rainy days does Ios have?
January has the most rainy days with 11 rainy days. The driest month is July with 0 rainy days.
What is the sea temperature near Ios?
The water is warmest in August at an average of 25.4 °C and coolest in March at 16.3 °C.