Ialyssos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ialyssos.
Climate overview of Ialyssos
Ialyssos, Dodecanese, Greece, sees big temperature differences between seasons, with August peaking at 29°C (84°F) and February dropping to 16°C (61°F).
Ialyssos sees a moderate amount of rainfall, totalling around 880 mm (35 in) per year. It experiences a distinct dry season from May to September, with warm summers and mild winters, creating some seasonal variation. The most sunshine falls in July, with an average of 12.4 hours of daily sunshine.
Ialyssos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ialyssos - and find the best time to visit.
Monthly Temperature in Ialyssos
Visitors to Ialyssos can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in August, the warmest time of the year, to a moderate 16°C (61°F) during cooler months like February.
At night, you can expect temperatures ranging from 26°C (79°F) in August to around 13°C (55°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ialyssos
Generally, Ialyssos experiences moderate precipitation patterns, averaging 880 mm (35 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives heavy rainfall, averaging 201 mm (7.9 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month August brings less rainfall, with 0.2 mm (0.01 in) over 4 rainy days. For more details, please visit our Ialyssos 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 Ialyssos
Seasonal changes in sunshine hours are quite dramatic in Ialyssos. While July receives considerable daily sunshine with up to 12.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Ialyssos
The mean water temperature over the year ranges from 17°C (63°F) in February to 27°C (81°F) in August.
Water temperature over the year
Humidity in Ialyssos by Month
The relative humidity is high throughout the year in Ialyssos.
The city experiences its highest humidity in November, reaching 72%. In June, the humidity drops to its lowest level at 57%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Ialyssos
The mean wind speed over the year ranges from 1 m/s (2 knots) in October and November to 3 m/s (6 knots) in July and August. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Ialyssos
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, July, August, September and October
- Warmest weather: July and August
- Most sunshine: June and July
- Fewer rainy days: May, June, July, August and September
- Best for swimming: May, June, July, August, September, October and November.
- Wettest months: January, February, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September, with warm summers and mild winters
Frequently asked questions about the climate in Ialyssos
What is the best time to visit Ialyssos?
May, June, July, August, September and October typically offer the most optimal weather in Ialyssos. In contrast, December tends to have less optimal conditions. Ialyssos has a distinct dry season from May to September, with warm summers and mild winters.
What temperatures can I expect in Ialyssos?
Daytime highs range from 16°C (61°F) in February to 29°C (84°F) in August. Nighttime lows range from 13°C (55°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does Ialyssos get?
Annual rainfall is around 880 mm (35 in). December is the wettest month with 201 mm (7.9 in), while August is the driest with 0.2 mm (0.01 in).
How sunny is Ialyssos?
Ialyssos receives around 2,774 hours of sunshine per year. July is the sunniest month with 372 hours, while December is the cloudiest with just 108 hours. Overall, Ialyssos enjoys abundant sunshine.
Ialyssos 3-Day Forecast
Ialyssos on the map
Ialyssos is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Athens
33°C (91°F) Kalambaka33°C (91°F) Hersonissos30°C (86°F) Chania Town27°C (81°F) Oía
27°C (81°F) Naxos Chora27°C (81°F) Fira27°C (81°F) Mýkonos City27°C (81°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Top 5 secluded beaches in Greece
Explore Greece's hidden gems: secluded beaches like Fokos, Seychelles, Potami, Kedrodasos, and Mouros for tranquil adventures away from crowds.
Discover Zakynthos
On the Greek island you can discover the rugged coastline, authentic old villages, a beautiful interior and the caves with the beautiful azure water.
Why Santorini should be on every Bucket List
This Greek island is home to some of the most stunning scenery globally, with its beautiful Caldera views, white-washed houses and crystal-clear waters.