Grassano Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to chilly in Grassano. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like January.

At night, you can expect temperatures ranging from 19°C (66°F) in August to around 2°C (36°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Grassano has a moderate amount of precipitation, averaging 610 mm (24 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives moderate rainfall, averaging 66 mm (2.6 in) of precipitation, recorded across 10 rainy days. In contrast, the driest month August brings less rainfall, with 23 mm (0.9 in) over 5 rainy days. For more details, please visit our Grassano Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is high throughout the year in Grassano.

The city experiences its highest humidity in December, reaching 78%. In July, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year