San Giovanni di Galermo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Giovanni di Galermo.
Climate overview of San Giovanni di Galermo
The climate in San Giovanni di Galermo, Sicily, Italy, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 15°C (59°F) in January.
The city receives around 691 mm (27 in) of rainfall per year. It experiences a distinct dry season from May to August, with very warm summers and mild winters. January is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 10.5 hours of sunshine per day.
San Giovanni di Galermo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Giovanni di Galermo - and find the best time to visit.
Monthly Temperature in San Giovanni di Galermo
In San Giovanni di Galermo, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 23°C (73°F) in August to 7°C (45°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Giovanni di Galermo
On average, San Giovanni di Galermo receives a reasonable amount of rainfall, with an annual precipitation of 691 mm (27 in). The seasons in San Giovanni di Galermo bring significant changes in precipitation. The wettest month, January, receives moderate rainfall, with an average of 88 mm (3.5 in) of precipitation. This rainfall is distributed across 10 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 12 mm (0.5 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Giovanni di Galermo 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 San Giovanni di Galermo
In San Giovanni di Galermo, summer days are longer and more sunny, with daily sunshine hours peaking at 10.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 3.7 hours per average 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 San Giovanni di Galermo
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 San Giovanni di Galermo by Month
The relative humidity is high throughout the year in San Giovanni di Galermo.
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 San Giovanni di Galermo
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 San Giovanni di Galermo
What is the best time to visit San Giovanni di Galermo?
May, June, September and October typically offer the most optimal weather in San Giovanni di Galermo. In contrast, January, February, March and December tend to have less optimal conditions. San Giovanni di Galermo has a distinct dry season from May to August, with very warm summers and mild winters.
What temperatures can I expect in San Giovanni di Galermo?
Daytime highs range from 15°C (59°F) in January to 31°C (88°F) in August. Nighttime lows range from 7°C (45°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does San Giovanni di Galermo get?
Annual rainfall is around 691 mm (27 in). January is the wettest month with 88 mm (3.5 in), while July is the driest with 12 mm (0.5 in).
How sunny is San Giovanni di Galermo?
San Giovanni di Galermo 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, San Giovanni di Galermo enjoys abundant sunshine.
San Giovanni di Galermo 3-Day Forecast
San Giovanni di Galermo on the map
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