Gravity Report

Blue Mountains

A sport climbing area in NSW, Australia 🇦🇺

Best Time-of-Year

The best month at Blue Mountains is September, when temperatures average 7–18 °C (44–64 °F) and mid-day humidity sits around 47%. Expect mild days, with around 22 excellent days in a typical September. August, September, and October are the most reliable months.

Tap a month for its details below.

Month by Month

January

A typical January brings rainy, warm days, with around 2 excellent days. Rain takes out most of the rest.

Excellent Days2
Viable Days13
Off Days16
Temperature15–24 °C58–76 °F
Mid-Day Humidity61%
Wet Days19

February

A typical February brings rainy, warm days, with around 2 excellent days. Heat takes out most of the rest.

Excellent Days2
Viable Days14
Off Days12
Temperature14–24 °C58–76 °F
Mid-Day Humidity58%
Wet Days16

March

A typical March brings rainy, mild days, with around 5 excellent days. Rain takes out most of the rest.

Excellent Days5
Viable Days11
Off Days15
Temperature14–22 °C57–72 °F
Mid-Day Humidity63%
Wet Days17

April

A typical April brings mild days, with around 16 excellent days.

Excellent Days16
Viable Days5
Off Days9
Temperature10–18 °C49–65 °F
Mid-Day Humidity59%
Wet Days9

May

A typical May brings rainy, mild days, with around 13 excellent days. Humid air takes out most of the rest.

Excellent Days13
Viable Days5
Off Days13
Temperature7–15 °C45–59 °F
Mid-Day Humidity64%
Wet Days12

June

A typical June brings dry, cool days, with around 20 excellent days.

Excellent Days20
Viable Days5
Off Days5
Temperature5–13 °C41–55 °F
Mid-Day Humidity60%
Wet Days5

July

A typical July brings cool days, with around 17 excellent days.

Excellent Days17
Viable Days5
Off Days9
Temperature5–12 °C40–54 °F
Mid-Day Humidity61%
Wet Days8

August

August is among the year's most reliable months — expect cool days, with around 18 excellent days.

Excellent Days18
Viable Days6
Off Days7
Temperature5–14 °C42–58 °F
Mid-Day Humidity57%
Wet Days8

September

September is the year's best month for climbing — expect mild days, with around 22 excellent days.

Excellent Days22
Viable Days3
Off Days5
Temperature7–18 °C44–64 °F
Mid-Day Humidity47%
Wet Days8

October

October is among the year's most reliable months — expect mild days, with around 20 excellent days.

Excellent Days20
Viable Days4
Off Days7
Temperature9–20 °C48–68 °F
Mid-Day Humidity50%
Wet Days11

November

A typical November brings rainy, mild days, with around 14 excellent days.

Excellent Days14
Viable Days8
Off Days8
Temperature11–21 °C51–70 °F
Mid-Day Humidity53%
Wet Days13

December

A typical December brings rainy, warm days, with around 10 excellent days.

Excellent Days10
Viable Days14
Off Days7
Temperature13–25 °C55–76 °F
Mid-Day Humidity48%
Wet Days13

A Typical Year

Monthly conditions in a typical year at Blue Mountains, scored for sport climbing. Day counts are per month.
MonthExcellent DaysViable Days Off DaysTemperatureWet Days Mid-Day Humidity
January2131615–24 °C
58–76 °F
1961%
February2141214–24 °C
58–76 °F
1658%
March5111514–22 °C
57–72 °F
1763%
April165910–18 °C
49–65 °F
959%
May135137–15 °C
45–59 °F
1264%
June20555–13 °C
41–55 °F
560%
July17595–12 °C
40–54 °F
861%
August18675–14 °C
42–58 °F
857%
September22357–18 °C
44–64 °F
847%
October20479–20 °C
48–68 °F
1150%
November148811–21 °C
51–70 °F
1353%
December1014713–25 °C
55–76 °F
1348%

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