Trevignano Romano Weather & Climate: Best Time to Visit

Visitors to Trevignano Romano can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 12°C (54°F) in the coolest month, January.

Nights vary from 19°C (66°F) in August to around 4°C (39°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Trevignano Romano is known for its substantial rainfall, with annual precipitation reaching 1130 mm (44 in). The climate in Trevignano Romano shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 163 mm (6.4 in) of precipitation over 15 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 34 mm (1.3 in) of rainfall over 5 rainy days. For more details, please visit our Trevignano Romano Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Trevignano Romano serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.1 hours of sunshine daily, and embrace the darker days in December, offering only 3.7 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Trevignano Romano.

The city experiences its highest humidity in November, reaching 77%. In July, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year