Seaport Campground

Best time to visit Seaport Campground

Best months: April–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   39° / 24°

   11 wet · 3 snow

2. Feb

   41° / 25°

   10 wet · 3 snow

3. Mar

   47° / 32°

   12 wet · 2 snow

4. Apr

   57° / 41°

   12 wet

5. May

   66° / 50°

   12 wet

6. Jun

   75° / 59°

   10 wet

7. Jul

   81° / 66°

   10 wet

8. Aug

   80° / 65°

   10 wet

9. Sep

   74° / 58°

   10 wet

10. Oct

    63° / 47°

    11 wet

11. Nov

    53° / 38°

    10 wet

12. Dec

    44° / 30°

    12 wet · 2 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Groton, CT, 5.3 mi away at 40 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.