Sundergrund › Best time to climb
When to climb at Sundergrund
The best months for bouldering at Sundergrund are February and September to October: the coolest, driest spell of the year, when the rock has the best friction. On average April to May and July too wet and January 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 | 17 of 31 | 1° / -8° | 75 mm | Cold |
| February | 19 of 28 | 4° / -6° | 69 mm | Best |
| March | 15 of 31 | 6° / -3° | 112 mm | Good |
| April | 14 of 30 | 8° / -2° | 120 mm | Wet |
| May | 13 of 31 | 12° / 3° | 158 mm | Wet |
| June | 15 of 30 | 19° / 8° | 97 mm | Good |
| July | 12 of 31 | 20° / 10° | 138 mm | Wet |
| August | 15 of 31 | 21° / 11° | 137 mm | Good |
| September | 19 of 30 | 17° / 7° | 140 mm | Best |
| October | 19 of 31 | 12° / 3° | 109 mm | Best |
| November | 17 of 30 | 5° / -4° | 98 mm | Good |
| December | 18 of 31 | 3° / -6° | 102 mm | Good |
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When is the best time to boulder at Sundergrund?
The best months for bouldering at Sundergrund are February and September to October: the coolest, driest spell of the year, when the rock has the best friction. On average April to May and July too wet and January too cold.
What's the weather like at Sundergrund in February?
Highs around 4 °C and lows around -6 °C, with about 9 days of 1 mm of rain or more and 69 mm in all, averaged over 2023 to 2025.
Which month is wettest at Sundergrund?
July, with about 19 rainy days and 138 mm on average. Most rock dries within a day after a shower, but cracks and pockets can seep for longer.