Can I climb todayHorsetooth Reservoir › Best time to climb
When to climb at Horsetooth Reservoir
The best months for bouldering at Horsetooth Reservoir are March and November to December: the coolest, driest spell of the year, when the rock has the best friction. On average, July to August are too hot and January is too cold. June and 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 | 24 of 31 | 1° / -10° | 27 mm | Cold |
| February | 23 of 28 | 5° / -9° | 25 mm | Good |
| March | 23 of 31 | 10° / -4° | 45 mm | Best |
| April | 21 of 30 | 15° / 0° | 54 mm | Good |
| May | 19 of 31 | 20° / 6° | 75 mm | Good |
| June | 18 of 30 | 26° / 11° | 65 mm | Warm |
| July | 22 of 31 | 30° / 14° | 43 mm | Hot |
| August | 24 of 31 | 29° / 14° | 49 mm | Hot |
| September | 25 of 30 | 26° / 10° | 32 mm | Warm |
| October | 27 of 31 | 18° / 5° | 19 mm | Good |
| November | 26 of 30 | 11° / -2° | 19 mm | Best |
| December | 28 of 31 | 8° / -3° | 13 mm | Best |
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When is the best time to boulder at Horsetooth Reservoir?
The best months for bouldering at Horsetooth Reservoir are March and November to December: the coolest, driest spell of the year, when the rock has the best friction. On average, July to August are too hot and January is too cold. June and September are warm: climb early or late in the day.
What's the weather like at Horsetooth Reservoir in March?
Highs around 10 °C and lows around -4 °C, with about 8 days of 1 mm of rain or more and 45 mm in all, averaged over 2023 to 2025.
Which month is wettest at Horsetooth Reservoir?
May, with about 12 rainy days and 75 mm on average. Most rock dries within a day after a shower, but cracks and pockets can seep for longer.