Norwell Weather & Climate: Best Time to Visit

Visitors to Norwell can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 8°C (46°F) in February.

Nighttime temperatures range from 13°C (55°F) in July to 2°C (36°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Norwell experiences moderate precipitation patterns, averaging 714 mm (28 in) yearly. The wettest period in Norwell occurs in June, which receives around 72 mm (2.8 in) of precipitation. During the driest month, March, Norwell experiences moderate rainfall, totaling 48 mm (1.9 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Norwell Precipitation page.

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

The average number of days each month with precipitation

In Norwell, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in December, reaching 90%. In July, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year