Average Monthly Sunshine hours in Chelsea (MA)

This graph shows the average number of hours per month that Chelsea receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, May is the sunniest month with 301 hours of sunshine.
• December has on average the lowest amount of sunshine with 141 hours.
• On average, the total annual amount of sun is 2629 hours.

Forecast: is it sunny in Chelsea (MA)?

Mon   Nov 18

17°C | 4°C

NW 25 km/h

0.7 mm

partly cloudy and small chance of rain

hourly forecast

Tue   Nov 19

14°C | 6°C

NW 22 km/h

clear and no rain

hourly forecast

Wed   Nov 20

12°C | 4°C

E 14 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast