Overview: New Bedford, MANew Bedford, MA (United States of America) in general has a mild continental climate. Temperatures during the day are in the range from 3 °C (37 °F) in January to 27 °C (81 °F) in July. Temperatures during the night go from -6 °C (22 °F) in January to 17 °C (63 °F) in July. The driest month is September with just 9 days of rain, on the contrary, the month when it rains the most is December with 12 days of rain.