Best Time-of-Year
The best month at Rumbling Bald is January, when temperatures average −1 to 11 °C (31–51 °F) and mid-day humidity sits around 53%. Expect cool days, with around 16 excellent days in a typical January. January, February, and December are the most reliable months, with cooler temperatures.
- Terrible
- Poor
- Fair
- Good
- Excellent
- Perfect
Tap a month for its details below.
Month by Month
January
January is the year's best month for climbing — expect cool days, with around 16 excellent days.
February
February is among the year's most reliable months — expect dry, mild days, with around 13 excellent days.
March
A typical March brings mild days, with around 12 excellent days.
April
A typical April brings warm days, with around 7 excellent days. Heat takes out most of the rest.
May
A typical May brings rainy, warm days, with around 9 climbable days. Heat takes out most of the rest.
June
A typical June brings hot days, with around 3 climbable days. Heat takes out most of the rest.
July
A typical July brings rainy, hot days, with few climbable days. Heat takes out most of the rest.
August
A typical August brings rainy, hot days, with few climbable days. Heat takes out most of the rest.
September
A typical September brings warm days, with around 5 climbable days. Heat takes out most of the rest.
October
A typical October brings dry, mild days, with around 3 excellent days. Heat takes out most of the rest.
November
A typical November brings dry, mild days, with around 13 excellent days.
December
December is among the year's most reliable months — expect cool days, with around 13 excellent days.
A Typical Year
| Month | Excellent Days | Viable Days | Off Days | Temperature | Wet Days | Mid-Day Humidity |
|---|---|---|---|---|---|---|
| January | 16 | 6 | 9 | −1 to 11 °C 31–51 °F | 7 | 53% |
| February | 13 | 8 | 7 | 2–15 °C 36–59 °F | 6 | 51% |
| March | 12 | 12 | 7 | 6–20 °C 43–68 °F | 7 | 47% |
| April | 7 | 11 | 12 | 10–23 °C 49–74 °F | 8 | 50% |
| May | 1 | 9 | 21 | 14–26 °C 57–78 °F | 12 | 59% |
| June | 0 | 3 | 27 | 18–30 °C 64–86 °F | 9 | 58% |
| July | 0 | 0 | 31 | 21–32 °C 69–90 °F | 14 | 60% |
| August | 0 | 1 | 30 | 19–30 °C 66–86 °F | 14 | 65% |
| September | 0 | 5 | 25 | 16–27 °C 60–81 °F | 9 | 63% |
| October | 3 | 16 | 12 | 10–23 °C 49–73 °F | 4 | 56% |
| November | 13 | 10 | 7 | 5–18 °C 40–64 °F | 6 | 50% |
| December | 13 | 6 | 12 | 1–13 °C 34–56 °F | 8 | 58% |