Photo: Reinhard Schön (original photograph) and Andreas F. Borchert (postprocessing) · CC BY-SA 3.0Hardly any U.S. towns collect less precipitation than Keams Canyon: 9 inches a year
On a normal July day the thermometer tops out near 88°. Winter nights are cold: in January they are colder than in 73% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with March up the most. Central heating does most of its work from November to April, in months below 50° on average.
A year in Keams Canyon at a glance
Each month’s typical high and low, and what it brings.
What stands out about Keams Canyon’s climate
Compared with towns across the U.S., with Keams Canyon’s place in Arizona beside it.
What a year in Keams Canyon feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 147 frost-free days a year
In half of years the last 32° night comes by May 16 and the first by October 10. Frost and day counts come from NOAA’s station at Keams Canyon, AZ, 0.9 miles from the town’s center, 160 ft lower.
The 2023 USDA map puts Keams Canyon’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 9 inches of rain a year
August is the wettest month and June the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Keams Canyon
91% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Keams Canyon, AZ.
Living with Keams Canyon’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
147 frost-free days in zone 6b. The last frost comes by May 16 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 10.
Months with highs of 62–84° and lows of 40° or more: September. 22 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Keams Canyon from natural hazards, river flooding is the largest share (79%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Keams Canyon and similar climates
TownRatings has no climate map of the towns around Keams Canyon yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Keams Canyon averaged 1.3° warmer than the 1900s. The biggest change is in March (+2.5°).
A smaller shift than in 56% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Keams Canyon compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Keams Canyon’s place among Arizona’s.
Keams Canyon weather by month
Highs, lows and precipitation from NOAA’s grid at Keams Canyon’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 43° | 17° | 0.7" | 23° – 36° |
| February | 48° | 22° | 0.8" | 30° – 40° |
| March | 56° | 27° | 0.9" | 37° – 46° |
| April | 64° | 32° | 0.5" | 43° – 53° |
| May | 74° | 40° | 0.4" | 51° – 61° |
| June | 85° | 48° | 0.2" | 63° – 70° |
| July | 88° | 57° | 1.2" | 68° – 76° |
| August | 85° | 56° | 1.5" | 67° – 75° |
| September | 79° | 48° | 0.9" | 58° – 66° |
| October | 67° | 36° | 0.8" | 47° – 56° |
| November | 54° | 25° | 0.5" | 32° – 46° |
| December | 42° | 17° | 0.8" | 23° – 36° |
| Year | 65° | 35° | 9.0" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 32° to 46°. June is the most reliable, staying within 8°.
Where Keams Canyon’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Keams Canyon’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Keams Canyon, AZ, 0.9 miles from the town’s center, 160 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Keams Canyon’s climate
What is the weather like in Keams Canyon?
A typical July afternoon reaches 88°, a January night drops to 17°. Colder January nights than 73% of U.S. towns; hotter July afternoons than 70% of U.S. towns.
How cold does it get in Keams Canyon in winter?
December nights average 17°. About 172 nights a year reach 32° or below and 3 reach 0° or below. In the coldest December of the last 30 years the month averaged 23°.
How hot does it get in Keams Canyon?
July, with a typical high of 88° and a low of 57°. About 31 days a year reach 90° (Keams Canyon, AZ).
When is the first and last frost in Keams Canyon?
In half of years the last spring frost (32°) comes by May 16 and the first fall frost by October 10, about 147 frost-free days, at Keams Canyon, AZ.
What growing zone is Keams Canyon in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Keams Canyon?
By one simple rule (highs of 62–84° and lows of 40° or more), September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Keams Canyon getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Keams Canyon.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.