Utah · Bouldering · Cedar City

The Rainbow Problem

The hardest climb catalogued at White Harlem.

V9
grade
Bouldering Pads
style

Best time to visit The Rainbow Problem

Best months: April–June and August–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

    42° / 22°

    6 wet

  2. Feb

    45° / 24°

    6 wet

  3. Mar

    54° / 30°

    6 wet

  4. Apr

    60° / 35°

    6 wet

  5. May

    70° / 44°

    5 wet

  6. Jun

    82° / 54°

    3 wet

  7. Jul

    87° / 62°

    6 wet

  8. Aug

    85° / 60°

    6 wet

  9. Sep

    77° / 52°

    4 wet

  10. Oct

    65° / 39°

    5 wet

  11. Nov

    52° / 29°

    5 wet

  12. Dec

    41° / 21°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Cedar City, UT, 10.6 mi away at 6,090 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

This represents the hardest grade among the 16 climbs catalogued at White Harlem.

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