Agiassos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Agiassos.
Climate overview of Agiassos
The climate in Agiassos, Cyclades, Greece, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in August to 15°C (59°F) in January.
The city has a relatively dry climate, receiving around 392 mm (15 in) of rainfall per year. It does experience a distinct dry season from April to October, with warm summers and mild winters. January is the wettest month and July the driest.
Agiassos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Agiassos - and find the best time to visit.
Monthly Temperature in Agiassos
In Agiassos, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 12°C (54°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Agiassos
Agiassos's climate is marked by below-average rainfall, accumulating 392 mm (15 in) of precipitation yearly. The seasons in Agiassos bring significant changes in precipitation. The wettest month, January, receives moderate rainfall, with an average of 83 mm (3.3 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 0.3 mm (0.01 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Agiassos 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 Agiassos
The mean water temperature over the year ranges from 15°C (59°F) in February to 25°C (77°F) in August.
Water temperature over the year
Humidity in Agiassos by Month
The relative humidity is high throughout the year in Agiassos.
The city experiences its highest humidity in November, reaching 74%. In June, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Agiassos
The mean wind speed varies between 2 m/s (4 knots) and 4 m/s (8 knots) throughout the year. It is lowest in April, May and June and highest during February. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Agiassos
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August, September and October
- Warmest weather: July and August
- Fewest rainy days: June, July, August and September
- Best for swimming: June, July, August, September, October and November.
- Seasonal pattern: A distinct dry season from April to October, with warm summers and mild winters
Frequently asked questions about the climate in Agiassos
What is the best time to visit Agiassos?
April, May, June, July, August, September and October typically offer the most optimal weather in Agiassos. In contrast, January, February, March and December tend to have less optimal conditions. Agiassos has a distinct dry season from April to October, with warm summers and mild winters.
What temperatures can I expect in Agiassos?
Daytime highs range from 15°C (59°F) in January to 27°C (81°F) in August. Nighttime lows range from 12°C (54°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Agiassos get?
Annual rainfall is around 392 mm (15 in). January is the wettest month with 83 mm (3.3 in), while July is the driest with 0.3 mm (0.01 in).
Agiassos 3-Day Forecast
Agiassos on the map
Agiassos 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.