Connecticut · Rock climbing · Groton

Blessing Boulder

7 routes
V1 – V9
Bouldering
Apr–Oct
best months

Blessing Boulder is a bouldering area in Connecticut, about 1.4 miles from Center Groton. It sits among several other climbing spots, with the Ledyard Areas, Left Side and Glacial Park all about 0.1 mile away. The area has seven bouldering routes, all rated on the V scale from V1 to V9. The easiest is Empathy at V1, and the hardest is Muchas Cupas de Amor at V9. The median grade is V4. Summer is the warmest stretch for climbing. Typical averages from a nearby weather station in Groton run to highs around 81°F in July, with September still near 74°F. Winters are cold, with January highs around 39°F and a few snowy days each month from December through February.

  • Best time to go · Apr–Oct

    Best time to visit Blessing Boulder

    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, 1.7 mi away at 40 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (7)

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