Can I climb todayOstaš › Best time to climb
When to climb at Ostaš
The best months for bouldering at Ostaš are April to May: the coolest, driest spell of the year, when the rock has the best friction. On average December to February 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° / -4° | 61 mm | Cold |
| February | 17 of 28 | 3° / -3° | 59 mm | Cold |
| March | 19 of 31 | 8° / -1° | 42 mm | Good |
| April | 19 of 30 | 11° / 2° | 54 mm | Best |
| May | 19 of 31 | 15° / 6° | 59 mm | Best |
| June | 18 of 30 | 20° / 10° | 57 mm | Good |
| July | 17 of 31 | 22° / 12° | 81 mm | Good |
| August | 19 of 31 | 22° / 12° | 104 mm | Good |
| September | 19 of 30 | 18° / 10° | 109 mm | Good |
| October | 19 of 31 | 11° / 4° | 64 mm | Good |
| November | 18 of 30 | 4° / -1° | 67 mm | Good |
| December | 21 of 31 | 1° / -3° | 53 mm | Cold |
From Blok Sessions, who made this page
Trip to Ostaš 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 Ostaš?
The best months for bouldering at Ostaš are April to May: the coolest, driest spell of the year, when the rock has the best friction. On average December to February too cold.
What's the weather like at Ostaš in April?
Highs around 11 °C and lows around 2 °C, with about 11 days of 1 mm of rain or more and 54 mm in all, averaged over 2023 to 2025.
Which month is wettest at Ostaš?
January, with about 14 rainy days and 61 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.