Keams Canyon, Arizona climate: Normal weather by month, frost dates and records
Keams Canyon's normal year runs from 17°F December nights to 89°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.4°C, December lows of −8°C, July highs of 32°C.
- NOAA stationKeams Canyon
- Station IDUSC00024586
- Location35.81°N 110.19°W
- Elevation6,205 ft (1,891 m)
- Population (census place)460
On October 23, the normal high in Keams Canyon is 66°F and the normal low 32°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Keams Canyon.
- Jan 45° 18°
- Feb 49° 22°
- Mar 58° 27°
- Apr 66° 32°
- May 75° 39°
- Jun 86° 47°
- Jul 89° 57°
- Aug 86° 55°
- Sep 79° 47°
- Oct 68° 35°
- Nov 56° 25°
- Dec 44° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Keams Canyon each month?
July is the warmest month, with normal highs of 89°F; December the coldest, with normal lows of 17°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 45°F | 18°F | 31.2°F | – | <1 | 30 | 10 h |
| February | 49°F | 22°F | 35.6°F | – | <1 | 27 | 10 h 50 min |
| March | 58°F | 27°F | 42.2°F | – | <1 | 27 | 11 h 50 min |
| April | 66°F | 32°F | 48.7°F | – | <1 | 15 | 13 h |
| May | 75°F | 39°F | 56.8°F | – | 1 | 6 | 14 h |
| June | 86°F | 47°F | 66.2°F | – | 8 | <1 | 14 h 30 min |
| July | 89°F | 57°F | 73.1°F | – | 16 | <1 | 14 h 20 min |
| August | 86°F | 55°F | 70.4°F | – | 7 | <1 | 13 h 30 min |
| September | 79°F | 47°F | 63.1°F | – | <1 | <1 | 12 h 30 min |
| October | 68°F | 35°F | 51.4°F | – | <1 | 10 | 11 h 20 min |
| November | 56°F | 25°F | 40.2°F | – | <1 | 26 | 10 h 20 min |
| December | 44°F | 17°F | 30.2°F | – | <1 | 31 | 9 h 50 min |
| Year (annual) | 67°F | 35°F | 50.8°F | – | 31 | 172 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 7°C | −8°C | −0.4°C |
| February | 10°C | −6°C | 2.0°C |
| March | 14°C | −3°C | 5.7°C |
| April | 19°C | 0°C | 9.3°C |
| May | 24°C | 4°C | 13.8°C |
| June | 30°C | 8°C | 19.0°C |
| July | 32°C | 14°C | 22.8°C |
| August | 30°C | 13°C | 21.3°C |
| September | 26°C | 8°C | 17.3°C |
| October | 20°C | 1°C | 10.8°C |
| November | 13°C | −4°C | 4.6°C |
| December | 7°C | −8°C | −1.0°C |
NOAA publishes no 1991-2020 snowfall normal for this station, and no record within 25 miles keeps one, so snow is left out here rather than estimated.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00024586; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Keams Canyon?
Normal highs sit between 65°F and 85°F in April, May, September and October.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00024586.
When is the last frost in Keams Canyon?
In Keams Canyon, the last spring frost (32°F) comes after May 16 in half of years and after June 5 in one year in ten; the first autumn frost comes before October 10 in half of years and before September 29 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 161 year in 10 after June 5; 9 in 10 after April 29
- First autumn frost, half of years before
- October 101 year in 10 before September 29; 9 in 10 before October 24
NOAA puts the median frost-free season at 147 days, and the season without a hard freeze (28°F) at 169 days.
A hard freeze (28°F) comes after May 1 in half of springs and before October 20 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Keams Canyon in zone 6b in ZIP code 86034, the nearest ZIP area.
Frost dates for every NOAA station in Arizona · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00024586; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Keams Canyon?
In a normal year in Keams Canyon, 31 days a year reach 90°F and 172 nights fall to 32°F or colder.
- Days at 90°F or more
- 31a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 172a normal year
- Days that stay below freezing
- 7high of 32°F or less
The highest temperature in this station's record (since 1894) is 104°F, on July 15, 1976; the lowest is −30°F, on January 2, 1919.
The wettest calendar year on that record is 1911, with 14.38 in; the snowiest season is 1907–08, with 33.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00024586; records: ACIS (NOAA Regional Climate Centers), station USC00024586. Records use complete months only; a month missing more than three days is left out.
How sunny is Keams Canyon?
Over a year 88% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Keams Canyon, 5.6 kWh per square metre a day. June is the sunniest month (93%) and December the cloudiest (80%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 82% | 3.1 |
| February | 83% | 4.2 |
| March | 87% | 5.7 |
| April | 88% | 7.0 |
| May | 90% | 7.9 |
| June | 93% | 8.5 |
| July | 86% | 7.3 |
| August | 86% | 6.7 |
| September | 90% | 6.0 |
| October | 91% | 4.8 |
| November | 88% | 3.6 |
| December | 80% | 2.8 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Keams Canyon need?
A normal year in Keams Canyon brings 5,722 heating degree days, 7% more than the median U.S. place (5,373), and 556 cooling degree days, 39% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,647 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,048 | 0 |
| February | 823 | 0 |
| March | 707 | 0 |
| April | 487 | 0 |
| May | 261 | 9 |
| June | 51 | 87 |
| July | 1 | 250 |
| August | 5 | 173 |
| September | 93 | 37 |
| October | 423 | 0 |
| November | 744 | 0 |
| December | 1,078 | 0 |
| Year (annual) | 5,722 | 556 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00024586. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Keams Canyon's climate compare?
Keams Canyon is warmer than 10 of the other 96 places with their own NOAA record in Arizona. Across the 7,247 U.S. stations with normals, its annual mean of 50.8°F is warmer than 44%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Keams Canyon share this climate record?
14 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- First Mesa, AZ1,381 people · 10 mi W
- Second Mesa, AZ1,206 people · 17 mi W
- Pinon, AZ1,183 people · 20 mi N
- Shongopovi, AZ1,131 people · 19 mi W
- Whitecone, AZ942 people · 16 mi SE
- Kykotsmovi Village, AZ758 people · 26 mi W
- Hotevilla-Bacavi, AZ696 people · 26 mi W
- Low Mountain, AZ567 people · 11 mi NE
- Tees Toh, AZ440 people · 25 mi SW
- Indian Wells, AZ325 people · 28 mi S
- Jeddito, AZ246 people · 5 mi SE
- Seba Dalkai, AZ133 people · 27 mi SW
- Hard Rock, AZ111 people · 23 mi NW
- Toyei, AZ0 people · 16 mi SE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Keams Canyon's climate
What is the coldest month in Keams Canyon?
December, with a normal high of 44°F and a normal low of 17°F. The warmest is July (89°F by day, 57°F at night).
What plant hardiness zone is Keams Canyon in?
The USDA's 2023 map puts Keams Canyon in zone 6b in ZIP code 86034, the nearest ZIP area.
How late can frost come in Keams Canyon?
In half of years the last 32°F night comes after May 16; in one year in ten it comes after June 5. Waiting until June 5 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Arizona climateThe statewide normals and every place in the state
- Ganado, AZ37 miles from this station, 50.9°F a year
- Canyon De Chelly, AZ43 miles from this station, 53.5°F a year
- Painted Desert National Park, AZ57 miles from this station, 54.2°F a year
- Winslow, AZ62 miles from this station, 56.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made