Updated October 2026
Walnut Canyon National Monument Weather by Month
Walnut Canyon National Monument is warmest in July, when the nearest NOAA climate station averages a high of 86°F and a low of 57°F, and coldest in January, with an average high of 45°F and an average low of 20°F. August is the wettest month, with about 3.4 inches of precipitation. Snowfall is heaviest in January, at about 13 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 0.5 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Walnut Canyon National Monument can differ from these, particularly with elevation.
Warmest month
Jul
86°F avg high
Coldest month
Jan
20°F avg low
Wettest month
Aug
3.4 in avg
Snowiest month
Jan
13.3 in avg
Longest days
Jun
14.4 h of daylight
Average weather at Walnut Canyon by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 45°F | 20°F | 1.3 in | 13.3 in | 9.9 h |
| February | 49°F | 23°F | 1.7 in | 11.0 in | 10.7 h |
| March | 56°F | 28°F | 1.5 in | 7.9 in | 11.7 h |
| April | 62°F | 34°F | 0.9 in | 5.5 in | 12.9 h |
| May | 71°F | 40°F | 0.6 in | 0.3 in | 13.8 h |
| June | 82°F | 51°F | 0.3 in | 0.0 in | 14.4 h |
| July | 86°F | 57°F | 2.6 in | 0.0 in | 14.2 h |
| August | 82°F | 55°F | 3.4 in | 0.0 in | 13.3 h |
| September | 78°F | 46°F | 1.6 in | 0.0 in | 12.2 h |
| October | 67°F | 35°F | 1.2 in | 1.1 in | 11.1 h |
| November | 55°F | 28°F | 1.4 in | 3.5 in | 10.1 h |
| December | 45°F | 21°F | 1.2 in | 9.8 in | 9.6 h |
| Year total | 17.7 in | 52.4 in |
NOAA 1991–2020 climate normals from station USC00029156, 0.5 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Walnut Canyon is at that time of year.
Walnut Canyon weather by season
Winter: December to February
Average highs climb from 45°F in December to 49°F in February, with average lows between 20°F and 23°F. The average low is at or below freezing in all three months. Together the three months average 4.2 inches of precipitation, about 24% of the yearly total. Snowfall averages about 34 inches for the season. Daylight is at its shortest, about 9.6 hours in December.
Spring: March to May
Average highs climb from 56°F in March to 71°F in May, with average lows between 28°F and 40°F. The average low is at or below freezing in March. Together the three months average 3 inches of precipitation, about 17% of the yearly total and less than in any other season. Snowfall averages about 14 inches for the season. Daylight lengthens from about 11.7 hours in March to 13.8 in May.
Summer: June to August
Average highs peak at 86°F in July, between 82°F in June and 82°F in August, with average lows between 51°F and 57°F. Together the three months average 6.3 inches of precipitation, about 36% of the yearly total and more than in any other season. Daylight is at its longest, about 14.4 hours in June.
Fall: September to November
Average highs fall from 78°F in September to 55°F in November, with average lows between 28°F and 46°F. The average low is at or below freezing in November. Together the three months average 4.2 inches of precipitation, about 24% of the yearly total. Snowfall averages about 4.6 inches for the season, most of it in November. Daylight shortens from about 12.2 hours in September to 10.1 in November.
What the National Park Service says about the weather
Be prepared for variable and extreme weather conditions. You may expect high winds any time of year, summer temperatures above 95ºF (35ºC), afternoon storms July–September, and heavy snow from fall to spring. Dress in layers, as weather at Walnut Canyon can change quickly at any time of year.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Walnut Canyon
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 35.17°N, 111.50°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Walnut Canyon National Monument →
Weather and crowds together
July, the warmest month, sees about 1.2× the visitors of the park's average month. April is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Walnut Canyon National Monument. For hotels, cabins and rentals close to the park, see where to stay near Walnut Canyon.
Where to stay near Walnut Canyon
Picked a month for Walnut Canyon National Monument? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Walnut Canyon
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July is the warmest month at Walnut Canyon National Monument, with an average high of 86°F and an average low of 57°F. That is the 1991–2020 average at the nearest long-record NOAA station, 0.5 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Walnut Canyon National Monument, with an average low of 20°F and an average high of 45°F, based on NOAA 1991–2020 climate normals.
August is the wettest month, with about 3.4 inches of precipitation. June is the driest, at about 0.3 inches. The station records about 17.7 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 0.5 miles from the park's reference point, averages about 52 inches of snow a year. January is the snowiest month, at about 13 inches. The station averages at least a tenth of an inch of snow in 8 of the 12 months.
Weather at nearby parks
14 mi away · warmest in July (84°F)
28 mi away · warmest in July (94°F)
40 mi away · warmest in July (101°F)
42 mi away · warmest in July (101°F)
67 mi away · warmest in July (85°F)
98 mi away · warmest in July (92°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00029156), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.