Big Choss › Best time to climb
When to climb at Big Choss
The best months for bouldering at Big Choss are May and October: the coolest, driest spell of the year, when the rock has the best friction. On average July too wet and November to March too cold.
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 | 26 of 31 | -4° / -12° | 18 mm | Cold |
| February | 19 of 28 | -4° / -14° | 35 mm | Cold |
| March | 20 of 31 | 0° / -11° | 40 mm | Cold |
| April | 20 of 30 | 7° / -5° | 54 mm | Good |
| May | 20 of 31 | 14° / 1° | 66 mm | Best |
| June | 16 of 30 | 17° / 5° | 128 mm | Good |
| July | 14 of 31 | 22° / 9° | 150 mm | Wet |
| August | 19 of 31 | 21° / 9° | 86 mm | Good |
| September | 22 of 30 | 18° / 6° | 48 mm | Good |
| October | 24 of 31 | 9° / -2° | 40 mm | Best |
| November | 23 of 30 | 1° / -7° | 31 mm | Cold |
| December | 21 of 31 | -1° / -9° | 34 mm | Cold |
From Blok Sessions, who made this page
Trip to Big Choss coming up?
Blok Sessions builds you a free bouldering plan in seven questions. Tell it you've got a trip, and the last weeks ease off so you arrive fresh.
Get a free trip plan How many weeks do I have?Questions
When is the best time to boulder at Big Choss?
The best months for bouldering at Big Choss are May and October: the coolest, driest spell of the year, when the rock has the best friction. On average July too wet and November to March too cold.
What's the weather like at Big Choss in May?
Highs around 14 °C and lows around 1 °C, with about 11 days of 1 mm of rain or more and 66 mm in all, averaged over 2023 to 2025.
Which month is wettest at Big Choss?
July, with about 17 rainy days and 150 mm on average. Most rock dries within a day after a shower, but cracks and pockets can seep for longer.