Can I climb todayArnao › Best time to climb
When to climb at Arnao
The best months for bouldering at Arnao are December to March: the coolest, driest spell of the year, when the rock has the best friction. On average May and November too wet. July 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 | 15 of 31 | 14° / 6° | 177 mm | Best |
| February | 16 of 28 | 14° / 6° | 105 mm | Best |
| March | 16 of 31 | 15° / 7° | 109 mm | Best |
| April | 18 of 30 | 17° / 9° | 72 mm | Good |
| May | 14 of 31 | 18° / 11° | 94 mm | Wet |
| June | 17 of 30 | 22° / 15° | 62 mm | Good |
| July | 21 of 31 | 23° / 16° | 40 mm | Warm |
| August | 21 of 31 | 24° / 17° | 42 mm | Warm |
| September | 18 of 30 | 22° / 14° | 94 mm | Warm |
| October | 16 of 31 | 21° / 13° | 127 mm | Good |
| November | 13 of 30 | 17° / 10° | 136 mm | Wet |
| December | 15 of 31 | 14° / 6° | 108 mm | Best |
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When is the best time to boulder at Arnao?
The best months for bouldering at Arnao are December to March: the coolest, driest spell of the year, when the rock has the best friction. On average May and November too wet. July to September are warm: climb early or late in the day.
What's the weather like at Arnao in January?
Highs around 14 °C and lows around 6 °C, with about 16 days of 1 mm of rain or more and 177 mm in all, averaged over 2023 to 2025.
Which month is wettest at Arnao?
May, with about 17 rainy days and 94 mm on average. Most rock dries within a day after a shower, but cracks and pockets can seep for longer.