Hydra Weather & Climate: Best Time to Visit

The climate in Hydra, Hydra, Greece, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in August to 15°C (59°F) in January.

The city has a relatively dry climate, receiving around 375 mm (15 in) of rainfall per year. It does experience a distinct dry season from April to October. December is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 12.1 hours of sunshine per day.

Monthly Temperature in Hydra

In Hydra, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 30°C (86°F) in August to a moderate 15°C (59°F) in January.

Nighttime temperatures range from 26°C (79°F) in August to 11°C (52°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Hydra

Hydra tends toward drier weather patterns, receiving approximately 375 mm (15 in) of rain per year. The seasons in Hydra bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 70 mm (2.8 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 1.6 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Hydra Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Hydra

In Hydra, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.2 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Athens, Greece (65 KM, 40 Miles).

Daily hours of sunshine

Data from: Athens, Greece (65 KM, 40 Miles).

Humidity in Hydra by Month

The relative humidity is high throughout the year in Hydra.

The city experiences its highest humidity in November, reaching 73%. In July, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Athens, Greece (65 KM, 40 Miles).

Hydra 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Hydra

The best time to visit Hydra is during May, June, October and November, when the weather provides comfortable temperatures between 20°C (67°F) and 27°C (80°F). With rainfall of 4 mm (0.2 in) to 55 mm (2.2 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.