Discover Chatham, MA
Chatham is a popular seaside town located on Cape Cod in Massachusetts. It’s well-known for its spectacular coastline and remote location. Visitors looking for fun outdoor activities and a relaxing beach getaway will find it here in Chatham, MA.
View live webcams in Chatham, check the current weather conditions, and see what’s happening at the beach. Planning to visit to Chatham? Use our local map of the area to discover nearby coastal spots and stay up-to-date with the local weather forecast before you go.
Chatham, Massachusetts Average Temperatures
Use this weather chart as a guide to view the average air and ocean temperatures in Chatham, MA.
The average air temperature in the summer varies between 75-80 degrees.
The average ocean temperature in the summer varies between 65-70 degrees.
| Average High | Average Low | Average Ocean Temp | |
|---|---|---|---|
| January | 36 | 22 | 38 |
| February | 40 | 26 | 37 |
| March | 46 | 30 | 40 |
| April | 55 | 39 | 47 |
| May | 65 | 49 | 57 |
| June | 74 | 61 | 61 |
| July | 81 | 66 | 68 |
| August | 80 | 64 | 68 |
| September | 73 | 57 | 66 |
| October | 63 | 45 | 59 |
| November | 54 | 40 | 52 |
| December | 40 | 30 | 43 |
Average high, low and ocean temperatures in Chatham. Sources: Accuweather, Weather.com, NOAA Climate.gov.
