San Costanzo Weather in May

May in San Costanzo brings high temperatures, with highs of 23°C (73°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 62 mm (2.4 in), so keep a rain jacket handy.

Rainfall in San Costanzo in May

Expect around 12 days of rain based on historical data, with 62 mm (2.4 in) average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in San Costanzo in May

If you're visiting San Costanzo in May, expect excellent temperatures with highs of 23°C (73°F) and overnight lows of 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Costanzo in May

The month enjoys around 222 hours of sunshine, creating mostly sunny days with good weather conditions.

If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for San Costanzo.