Trecastagni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Trecastagni.
Climate overview of Trecastagni
Trecastagni, Sicily, Italy, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 14°C (57°F).
Annual rainfall is moderate at around 804 mm (32 in), with January being the wettest month. The city also has a distinct dry season from May to August, with very warm summers and mild winters. July is the sunniest month, averaging 10.5 hours of sunshine per day.
Trecastagni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trecastagni - and find the best time to visit.
Monthly Temperature in Trecastagni
Visitors to Trecastagni can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 22°C (72°F) in August to 6°C (43°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Trecastagni
Generally, Trecastagni experiences moderate precipitation patterns, averaging 804 mm (32 in) yearly. Trecastagni can be quite wet during January, receiving approximately 98 mm (3.9 in) of precipitation over 11 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 15 mm (0.6 in) of precipitation spread across 2 rainy days. For more details, please visit our Trecastagni 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 Trecastagni
Trecastagni can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.5 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 3.7 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 Trecastagni
The mean water temperature over the year ranges from 15°C (59°F) in January to 26°C (79°F) in August.
Water temperature over the year
Humidity in Trecastagni by Month
The relative humidity is high throughout the year in Trecastagni.
The city experiences its highest humidity in December, reaching 76%. In July, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Trecastagni
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
- Most sunshine: July
- Fewest rainy days: June, July and August
- Best for swimming: June, July, August, September, October and November.
- Seasonal pattern: A distinct dry season from May to August, with very warm summers and mild winters
Frequently asked questions about the climate in Trecastagni
What is the best time to visit Trecastagni?
May, June, September and October typically offer the most optimal weather in Trecastagni. In contrast, January, February, March and December tend to have less optimal conditions. Trecastagni has a distinct dry season from May to August, with very warm summers and mild winters.
What temperatures can I expect in Trecastagni?
Daytime highs range from 14°C (57°F) in January to 30°C (86°F) in August. Nighttime lows range from 6°C (43°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Trecastagni get?
Annual rainfall is around 804 mm (32 in). January is the wettest month with 98 mm (3.9 in), while July is the driest with 15 mm (0.6 in).
How sunny is Trecastagni?
Trecastagni receives around 2,452 hours of sunshine per year. July is the sunniest month with 315 hours, while January is the cloudiest with just 111 hours. Overall, Trecastagni enjoys abundant sunshine.
Trecastagni 3-Day Forecast
Trecastagni on the map
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