Updated October 2026
Montezuma Castle National Monument Weather by Month
Montezuma Castle National Monument is warmest in July, when the nearest NOAA climate station averages a high of 101°F and a low of 64°F, and coldest in December, with an average high of 59°F and an average low of 25°F. August is the wettest month, with about 2.1 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 1.6 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Montezuma Castle National Monument can differ from these, particularly with elevation.
Warmest month
Jul
101°F avg high
Coldest month
Dec
25°F avg low
Wettest month
Aug
2.1 in avg
Longest days
Jun
14.3 h of daylight
Average weather at Montezuma Castle by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 61°F | 26°F | 1.4 in | 9.9 h |
| February | 65°F | 29°F | 1.3 in | 10.7 h |
| March | 72°F | 35°F | 1.2 in | 11.7 h |
| April | 79°F | 40°F | 0.5 in | 12.9 h |
| May | 88°F | 47°F | 0.4 in | 13.8 h |
| June | 98°F | 54°F | 0.2 in | 14.3 h |
| July | 101°F | 64°F | 1.5 in | 14.1 h |
| August | 99°F | 63°F | 2.1 in | 13.3 h |
| September | 93°F | 55°F | 1.5 in | 12.2 h |
| October | 82°F | 43°F | 1.0 in | 11.1 h |
| November | 69°F | 32°F | 0.7 in | 10.2 h |
| December | 59°F | 25°F | 1.5 in | 9.7 h |
| Year total | 13.3 in |
NOAA 1991–2020 climate normals from station USC00025635, 1.6 miles from the park's reference point. The station's snowfall normal is zero in all twelve months. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Montezuma Castle is at that time of year.
Montezuma Castle weather by season
Winter: December to February
Average highs climb from 59°F in December to 65°F in February, with average lows between 25°F and 29°F. The average low is at or below freezing in all three months. Together the three months average 4.2 inches of precipitation, about 32% of the yearly total and more than in any other season. Daylight is at its shortest, about 9.7 hours in December.
Spring: March to May
Average highs climb from 72°F in March to 88°F in May, with average lows between 35°F and 47°F. Together the three months average 2.1 inches of precipitation, about 16% of the yearly total and less than in any other season. Daylight lengthens from about 11.7 hours in March to 13.8 in May.
Summer: June to August
Average highs peak at 101°F in July, between 98°F in June and 99°F in August, with average lows between 54°F and 64°F. The average high is 100°F or hotter in July. Together the three months average 3.8 inches of precipitation, about 29% of the yearly total. Daylight is at its longest, about 14.3 hours in June.
Fall: September to November
Average highs fall from 93°F in September to 69°F in November, with average lows between 32°F and 55°F. The average low is at or below freezing in November. The average high is 90°F or hotter in September. Together the three months average 3.2 inches of precipitation, about 24% of the yearly total. Daylight shortens from about 12.2 hours in September to 10.2 in November.
What the National Park Service says about the weather
Summer: Hot. Temperatures range from 95°F (35°C) to 115°F (46°C). Nighttime temperatures can be much cooler, around 70°F (21°C). From July through September, heavy rains called monsoons are common in the afternoons. Winter: Cool. Highs average around 55°F (13°C); lows may be in the teens (-10°C). Snow is rare, but possible. For detailed information, visit the National Weather Service: http://forecast.weather.gov/MapClick.php?lat=34.61151944900047&lon=-111.8389592099997#.Vi_FZX6rSUk
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Montezuma Castle
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 34.62°N, 111.81°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 Montezuma Castle National Monument →
Weather and crowds together
July, the warmest month, sees about 0.9× the visitors of the park's average month. March 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 Montezuma Castle National Monument. For hotels, cabins and rentals close to the park, see where to stay near Montezuma Castle.
Where to stay near Montezuma Castle
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Top-rated places to stay near Montezuma Castle
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Frequently Asked Questions
July is the warmest month at Montezuma Castle National Monument, with an average high of 101°F and an average low of 64°F. That is the 1991–2020 average at the nearest long-record NOAA station, 1.6 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
December is the coldest month at Montezuma Castle National Monument, with an average low of 25°F and an average high of 59°F, based on NOAA 1991–2020 climate normals.
August is the wettest month, with about 2.1 inches of precipitation. June is the driest, at about 0.2 inches. The station records about 13.3 inches of precipitation in an average year.
The nearest long-record NOAA station, 1.6 miles from the park's reference point, shows no measurable snowfall in any month of its 1991–2020 normals.
Weather at nearby parks
16 mi away · warmest in July (101°F)
42 mi away · warmest in July (86°F)
55 mi away · warmest in July (84°F)
69 mi away · warmest in July (94°F)
78 mi away · warmest in July (104°F)
97 mi away · warmest in July (85°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00025635), 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.