Fort Trumbull State Park
About
Fort Trumbull State Park is a 4-acre park in Connecticut, about 0.7 miles from New London. It is a small, compact park close to the city, easy to fold into a trip around town or to pair with other outdoor stops in the area. Summer is the warmest stretch. Typical July highs reach about 80°F with lows near 65°F, and September stays mild with highs around 74°F, based on averages from a nearby weather station in Groton. The surrounding area offers climbing, hiking and paddling. Immortal Technique Wall and Winding Hollow are both about 2.5 miles away, and the Groton X-Town Trail is about 4.5 miles off. Paddlers can head to the Mystic River, roughly 8 miles from the park.
Park size
4 acres
Location
Fort Trumbull State Park
Connecticut
Data source: USGS PAD-US 4.1 (Protected Areas Database, public domain)
Facts about this place
When to go
Best time to go: May–Oct. The mildest months here, with typical highs of 63–80°F and lows of 46–65°F.
Typical monthly averages (not a forecast) from the Groton New London Ap, CT weather station, 2.5 mi away. High / low in °F.
- Jan38° high23° low
- Feb40° high25° low
- Mar47° high31° low
- Apr56° high39° low
- May65° high49° low
- Jun74° high58° low
- Jul80° high65° low
- Aug79° high64° low
- Sep74° high57° low
- Oct63° high46° low
- Nov53° high37° low
- Dec44° high29° low
Nearby
- Immortal Technique WallRock climbing2.5 mi
- Winding HollowRock climbing2.5 mi
- Main Mama WallRock climbing3.4 mi
- Mamacoke IslandRock climbing3.4 mi
Groton X-Town TrailHikingPhoto: Unknown authorUnknown author, Public domain (via Wikimedia Commons)4.5 mi- Gosa Yellow TrailHiking5.5 mi
- Gosa Blue TrailHiking5.5 mi
Mystic RiverCanoeingPhoto: Juliancolton, Public domain (via Wikimedia Commons)7.9 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Fort Trumbull State Park
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.
Jan
38° / 23°
9 wet
Feb
40° / 25°
8 wet
Mar
47° / 31°
9 wet
Apr
56° / 39°
10 wet
May
65° / 49°
12 wet
Jun
74° / 58°
11 wet
Jul
80° / 65°
10 wet
Aug
79° / 64°
10 wet
Sep
74° / 57°
9 wet
Oct
63° / 46°
9 wet
Nov
53° / 37°
9 wet
Dec
44° / 29°
10 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Groton New London Ap, CT, 2.5 mi away at 10 ft. We don't have this place's elevation, so higher spots nearby can run cooler. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
