Chios Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chios.
Climate overview of Chios
The climate in Chios, Chios Island, Greece, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in August to 14°C (57°F) in January.
With around 603 mm (24 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has a distinct dry season from April to September, with very warm summers and mild winters.
Chios Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chios - and find the best time to visit.
Monthly Temperature in Chios
In Chios, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in August to a moderate 14°C (57°F) in the coolest month, January.
Nights vary from 24°C (75°F) in August to around 10°C (50°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chios
On average, Chios receives a reasonable amount of rainfall, with an annual precipitation of 603 mm (24 in). The climate in Chios shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 120 mm (4.7 in) of precipitation over 12 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 0.6 mm (0.02 in) of rainfall over 6 rainy days. For more details, please visit our Chios Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Chios
The mean water temperature over the year ranges from 15°C (59°F) in January to 24°C (75°F) in July.
Water temperature over the year
Humidity in Chios by Month
The relative humidity is high throughout the year in Chios.
The city experiences its highest humidity in November, reaching 75%. In July, the humidity drops to its lowest level at 56%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Chios
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, September and October
- Warmest weather: July and August
- Fewest rainy days: May, June, September and October
- Best for swimming: June, July, August, September and October.
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from April to September, with very warm summers and mild winters
Frequently asked questions about the climate in Chios
What is the best time to visit Chios?
May, June, September and October typically offer the most optimal weather in Chios. In contrast, January, February and December tend to have less optimal conditions. Chios has a distinct dry season from April to September, with very warm summers and mild winters.
What temperatures can I expect in Chios?
Daytime highs range from 14°C (57°F) in January to 30°C (86°F) in August. Nighttime lows range from 10°C (50°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Chios get?
Annual rainfall is around 603 mm (24 in). December is the wettest month with 120 mm (4.7 in), while July is the driest with 0.6 mm (0.02 in).
Chios 3-Day Forecast
Chios 3-Day Forecast
Chios on the map
Chios is highlighted - select any city to see its climate.
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