Glastros Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Glastros.
Climate overview of Glastros
Temperatures in Glastros, Cyclades, Greece, vary greatly throughout the year. August is the hottest month at 27°C (81°F), while January is the coldest at 15°C (59°F).
The city tends toward dry conditions, with around 401 mm (16 in) of rainfall per year. It does, however, have a distinct dry season from April to October, with warm summers and mild winters.
Glastros Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Glastros - and find the best time to visit.
Monthly Temperature in Glastros
The climate in Glastros is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in August to a moderate 15°C (59°F) in the coolest month, January.
Nights vary from 24°C (75°F) in August to around 12°C (54°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Glastros
With annual rainfall averaging 401 mm (16 in), Glastros maintains relatively low precipitation levels throughout the seasons. The climate in Glastros shows significant variation throughout the year. Expect moderate rainfall in January, the wettest month, with an average of 83 mm (3.3 in) of precipitation over 11 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 0.3 mm (0.01 in) of rainfall over 2 rainy days. For more details, please visit our Glastros Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Glastros by Month
The relative humidity is high throughout the year in Glastros.
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
Best Time to Visit Glastros
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
- Seasonal pattern: A distinct dry season from April to October, with warm summers and mild winters
Frequently asked questions about the climate in Glastros
What is the best time to visit Glastros?
April, May, June, July, August, September and October typically offer the most optimal weather in Glastros. In contrast, January, February, March and December tend to have less optimal conditions. Glastros has a distinct dry season from April to October, with warm summers and mild winters.
What temperatures can I expect in Glastros?
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 Glastros get?
Annual rainfall is around 401 mm (16 in). January is the wettest month with 83 mm (3.3 in), while July is the driest with 0.3 mm (0.01 in).
Glastros 3-Day Forecast
Glastros on the map
Glastros is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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.