Gravity Report

Black Mountain

A bouldering area in CA, United States 🇺🇸

Best Time-of-Year

The best month at Black Mountain is January, when temperatures average 7–19 °C (45–66 °F) and mid-day humidity sits around 36%. Expect dry, mild days, with around 20 excellent days in a typical January. January, November, and December are the most reliable months, with cooler temperatures.

Tap a month for its details below.

Month by Month

January

January is the year's best month for climbing — expect dry, mild days, with around 20 excellent days.

Excellent Days20
Viable Days6
Off Days5
Temperature7–19 °C45–66 °F
Mid-Day Humidity36%
Wet Days5

February

A typical February brings dry, mild days, with around 12 excellent days.

Excellent Days12
Viable Days10
Off Days6
Temperature8–20 °C46–68 °F
Mid-Day Humidity38%
Wet Days6

March

A typical March brings mild days, with around 8 excellent days.

Excellent Days8
Viable Days18
Off Days5
Temperature10–21 °C49–71 °F
Mid-Day Humidity40%
Wet Days7

April

A typical April brings dry, warm days, with around 6 excellent days.

Excellent Days6
Viable Days23
Off Days1
Temperature11–24 °C51–75 °F
Mid-Day Humidity37%
Wet Days3

May

A typical May brings dry, warm days, with around 2 excellent days.

Excellent Days2
Viable Days26
Off Days3
Temperature13–26 °C56–78 °F
Mid-Day Humidity43%
Wet Days1

June

A typical June brings dry, hot days, with around 23 climbable days.

Excellent Days0
Viable Days23
Off Days7
Temperature16–31 °C61–87 °F
Mid-Day Humidity37%
Wet Days0

July

A typical July brings dry, hot days, with around 21 climbable days.

Excellent Days0
Viable Days21
Off Days10
Temperature19–35 °C66–96 °F
Mid-Day Humidity28%
Wet Days0

August

A typical August brings dry, hot days, with around 17 climbable days. Heat takes out most of the rest.

Excellent Days0
Viable Days17
Off Days14
Temperature20–36 °C68–97 °F
Mid-Day Humidity27%
Wet Days1

September

A typical September brings dry, hot days, with around 18 climbable days. Heat takes out most of the rest.

Excellent Days0
Viable Days18
Off Days12
Temperature18–33 °C65–91 °F
Mid-Day Humidity35%
Wet Days2

October

A typical October brings dry, warm days, with around 5 excellent days.

Excellent Days5
Viable Days22
Off Days4
Temperature14–29 °C57–83 °F
Mid-Day Humidity32%
Wet Days2

November

November is among the year's most reliable months — expect dry, warm days, with around 16 excellent days.

Excellent Days16
Viable Days11
Off Days3
Temperature10–23 °C50–74 °F
Mid-Day Humidity28%
Wet Days4

December

December is among the year's most reliable months — expect dry, mild days, with around 15 excellent days.

Excellent Days15
Viable Days10
Off Days6
Temperature8–20 °C46–68 °F
Mid-Day Humidity39%
Wet Days5

A Typical Year

Monthly conditions in a typical year at Black Mountain, scored for bouldering. Day counts are per month.
MonthExcellent DaysViable Days Off DaysTemperatureWet Days Mid-Day Humidity
January20657–19 °C
45–66 °F
536%
February121068–20 °C
46–68 °F
638%
March818510–21 °C
49–71 °F
740%
April623111–24 °C
51–75 °F
337%
May226313–26 °C
56–78 °F
143%
June023716–31 °C
61–87 °F
037%
July0211019–35 °C
66–96 °F
028%
August0171420–36 °C
68–97 °F
127%
September0181218–33 °C
65–91 °F
235%
October522414–29 °C
57–83 °F
232%
November1611310–23 °C
50–74 °F
428%
December151068–20 °C
46–68 °F
539%

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