Rocky Mountain National Park › Best time to climb
When to climb at Rocky Mountain National Park
The best months for bouldering at Rocky Mountain National Park are October: the coolest, driest spell of the year, when the rock has the best friction. On average, May to August are too wet and November to March are 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 | 18 of 31 | -5° / -15° | 57 mm | Cold |
| February | 17 of 28 | -2° / -13° | 47 mm | Cold |
| March | 18 of 31 | 0° / -12° | 66 mm | Cold |
| April | 18 of 30 | 4° / -9° | 68 mm | Good |
| May | 15 of 31 | 9° / -4° | 87 mm | Wet |
| June | 13 of 30 | 17° / 3° | 96 mm | Wet |
| July | 13 of 31 | 21° / 5° | 92 mm | Wet |
| August | 14 of 31 | 20° / 6° | 100 mm | Wet |
| September | 18 of 30 | 17° / 2° | 62 mm | Good |
| October | 23 of 31 | 11° / -3° | 39 mm | Best |
| November | 23 of 30 | 3° / -9° | 33 mm | Cold |
| December | 22 of 31 | 0° / -10° | 37 mm | Cold |
From Blok Sessions, who made this page
Trip to Rocky Mountain National Park 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 Rocky Mountain National Park?
The best months for bouldering at Rocky Mountain National Park are October: the coolest, driest spell of the year, when the rock has the best friction. On average, May to August are too wet and November to March are too cold.
What's the weather like at Rocky Mountain National Park in October?
Highs around 11 °C and lows around -3 °C, with about 8 days of 1 mm of rain or more and 39 mm in all, averaged over 2023 to 2025.
Which month is wettest at Rocky Mountain National Park?
July, with about 18 rainy days and 92 mm on average. Most rock dries within a day after a shower, but cracks and pockets can seep for longer.