Average water temperature in Somerville
The mean water temperature over the year in Somerville (Massachusetts), the United States of America.
- The months July, August and September have a pleasant water temperature.
- On average, August has the warmest water temperature with 20°C.
- On average, March has the coldest water temperature with 4°C.
Weather Forecasts for Somerville (MA)
partly cloudy and no rain
broken clouds and chance of slight rain
broken clouds and no rain