Castellammare del Golfo Temperature by Month

Castellammare del Golfo in Sicily, Italy sees significant seasonal temperature differences, with daytime highs between 16°C (61°F) in January and 33°C (91°F) in August, averaging 24°C (75°F) annually. Explore the full monthly breakdown below.

Depending on the time of the year, temperatures range from very warm to mild in Castellammare del Golfo. At night, minimum temperatures range from 23°C (73°F) in August to 7°C (45°F) in January.

The chart below illustrates the average maximum day and minimum night temperatures in Castellammare del Golfo by month:

Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating. August, the warmest month of the year, receives 322 hours of sunshine.

The chart below shows the average temperature throughout the year:

Castellammare del Golfo's average annual maximum temperature is 24°C (75°F). To put that in context, here's how it compares to a few well-known destinations:

Lisbon, Portugal averages 21°C (70°F) annually, warm summers, mild winters, and rain mainly in the cooler months.

Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.

Shanghai, China averages 21°C (70°F) a year, with warm summers, mild winters, and a noticeable spring and autumn.

Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In Castellammare del Golfo, January is the coolest month, with average highs of 16°C (61°F) and humidity around 73%, considered high. In August, the warmest month, temperatures average 33°C (91°F) with 71% humidity, conditions that feel high. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round, large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.

For more on Castellammare del Golfo's weather, including monthly rainfall, sunshine hours, and humidity, visit our Castellammare del Golfo climate page.