Delaware · Bouldering · Wilmington

Hump extension

V4+
grade
Bouldering Pads
style
Apr–Oct
best months

One of 12 boulder problems catalogued at Spearhead Boulder, this climb sits near the top of the crag's V0–V5 range. First ascent by Andrew Machalick.

  • Nearby · Livezey Rock · Main Rock · Devil's Pool Boulder
  • Best time to go · Apr–Oct

    Best time to visit Hump extension

    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

      38° / 24°

      10 wet · 2 snow

    2. Feb

      41° / 25°

      9 wet · 2 snow

    3. Mar

      49° / 32°

      10 wet · 1 snow

    4. Apr

      61° / 43°

      10 wet

    5. May

      71° / 52°

      11 wet

    6. Jun

      79° / 62°

      10 wet

    7. Jul

      84° / 67°

      9 wet

    8. Aug

      82° / 66°

      9 wet

    9. Sep

      75° / 59°

      8 wet

    10. Oct

      63° / 47°

      9 wet

    11. Nov

      53° / 37°

      8 wet

    12. Dec

      43° / 29°

      10 wet · 1 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Wilmington Porter Rsch, DE, 1.8 mi away at 270 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.