Average percent of sunshine in Winthrop (MA)
The mean percent of sunhours during the day in Winthrop (Massachusetts), the United States of America.
- The sun shines on average 65.0% in July making it the most sunny month.
- On average, November has the lowest percentage of sunshine with 49.0%.
Forecast: is it sunny in Winthrop (MA)?
partly cloudy and small chance of slight rain
clear and no rain
clear and no rain