Can I climb todayFlagstaff Mountain › Best time to climb
When to climb at Flagstaff Mountain
The best months for bouldering at Flagstaff Mountain are April and October to December: the coolest, driest spell of the year, when the rock has the best friction. On average, July is too hot, May is too wet and January is too cold. June and August to September are warm: climb early or late in the day.
Can you climb there today?Today's answer, hour by hour, and the week ahead.Month by month
| Month | Dry days | High / low | Rain | Verdict |
|---|---|---|---|---|
| January | 20 of 31 | 1° / -10° | 45 mm | Cold |
| February | 19 of 28 | 5° / -8° | 48 mm | Good |
| March | 19 of 31 | 7° / -5° | 87 mm | Good |
| April | 16 of 30 | 12° / -1° | 89 mm | Best |
| May | 13 of 31 | 17° / 4° | 141 mm | Wet |
| June | 15 of 30 | 24° / 10° | 118 mm | Warm |
| July | 21 of 31 | 28° / 12° | 55 mm | Hot |
| August | 17 of 31 | 27° / 13° | 89 mm | Warm |
| September | 23 of 30 | 23° / 9° | 49 mm | Warm |
| October | 24 of 31 | 17° / 4° | 40 mm | Best |
| November | 22 of 30 | 10° / -2° | 52 mm | Best |
| December | 25 of 31 | 8° / -3° | 39 mm | Best |
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When is the best time to boulder at Flagstaff Mountain?
The best months for bouldering at Flagstaff Mountain are April and October to December: the coolest, driest spell of the year, when the rock has the best friction. On average, July is too hot, May is too wet and January is too cold. June and August to September are warm: climb early or late in the day.
What's the weather like at Flagstaff Mountain in April?
Highs around 12 °C and lows around -1 °C, with about 14 days of 1 mm of rain or more and 89 mm in all, averaged over 2023 to 2025.
Which month is wettest at Flagstaff Mountain?
May, with about 18 rainy days and 141 mm on average. Sandstone needs a day or two to dry after rain, so a wet month means fewer climbing days than the rain alone suggests.