Precipitation in Campo Bonito trails that of 92% of U.S. towns: 17 inches a year
July afternoons average 93°. Summer afternoons here are warmer than in 91% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with March up the most. Picnics, hikes and garden evenings come into their own from March to May and October to November, with highs of 67–84°.
A year in Campo Bonito at a glance
Each month’s typical high and low, and what it brings.
What stands out about Campo Bonito’s climate
Compared with towns across the U.S., with Campo Bonito’s place in Arizona beside it.
What a year in Campo Bonito feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 242 frost-free days a year
In half of years the last 32° night comes by March 23 and the first by November 22. Frost and day counts come from NOAA’s station at Oracle 2 Se, AZ, 3 miles from the town’s center, 220 ft higher.
The 2023 USDA map puts Campo Bonito’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. 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 11 inches of snow a winter
Snow, measured at Oracle 2 Se, AZ, falls mostly in January. Precipitation (rain plus melted snow) adds up to 17 inches a year; August is the wettest month and June the driest. Rain or snow falls on about 67 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Campo Bonito
60% of the work is heating. Months averaging under 55° run from December through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Oracle 2 Se, AZ.
Living with Campo Bonito’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
242 frost-free days in zone 8b. The last frost comes by Mar 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 22.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 20 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Campo Bonito from natural hazards, river flooding is the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Campo Bonito and similar climates
TownRatings has no climate map of the towns around Campo Bonito yet.
Climates most like Campo Bonito’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Campo Bonito, AZ | 37° | 93° | 17" | 11" |
| Medford, OR | 32° | 92° | 19" | 3.4" |
| Clarkston, WA | 30° | 93° | 12" | 13" |
| Lewiston, ID | 30° | 92° | 14" | 13" |
| Yreka, CA | 29° | 91° | 20" | 12" |
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 Campo Bonito averaged 1.3° warmer than the 1900s. The biggest change is in March (+2.3°).
A smaller shift than in 52% 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 Campo Bonito compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Campo Bonito’s place among Arizona’s.
Campo Bonito weather by month
Highs, lows and precipitation from NOAA’s grid at Campo Bonito’s center; snow, wet days and snow on the ground from Oracle 2 Se, AZ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 58° | 37° | 1.7" | 2.9" | 7 | 43° – 53° |
| February | 61° | 38° | 1.7" | 1.9" | 6 | 43° – 55° |
| March | 67° | 42° | 1.1" | 2.5" | 6 | 48° – 60° |
| April | 74° | 47° | 0.5" | 1.2" | 3 | 54° – 66° |
| May | 84° | 56° | 0.3" | 0.0" | 2 | 64° – 75° |
| June | 94° | 66° | 0.3" | 0.0" | 2 | 75° – 83° |
| July | 93° | 69° | 2.9" | 0.0" | 10 | 77° – 83° |
| August | 91° | 67° | 2.9" | 0.0" | 12 | 76° – 84° |
| September | 87° | 63° | 1.7" | 0.0" | 6 | 71° – 78° |
| October | 79° | 54° | 0.9" | 0.0" | 4 | 62° – 70° |
| November | 67° | 44° | 1.0" | 0.5" | 4 | 48° – 63° |
| December | 57° | 37° | 1.7" | 1.8" | 5 | 43° – 52° |
| Year | 76° | 52° | 16.7" | 10.8" | 67 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 48° to 63°. July is the most reliable, staying within 6°.
Where Campo Bonito’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 Campo Bonito’s center.
- Snow: Oracle 2 Se, AZ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Oracle 2 Se, AZ, 3 miles from the town’s center, 220 ft higher; 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 Campo Bonito’s climate
What is the weather like in Campo Bonito?
A typical July afternoon reaches 93°, a January night drops to 37°, and about 11 inches of snow falls in a normal winter. Milder January nights than 84% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Campo Bonito in winter?
January nights average 37°. About 41 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 43°.
How much snow does Campo Bonito get?
About 11 inches in a normal winter at Oracle 2 Se, AZ, most of it in January.
How hot does it get in Campo Bonito?
July, with a typical high of 93° and a low of 69°. About 68 days a year reach 90° and 3 reach 100° (Oracle 2 Se, AZ).
When is the first and last frost in Campo Bonito?
In half of years the last spring frost (32°) comes by March 23 and the first fall frost by November 22, about 242 frost-free days, at Oracle 2 Se, AZ.
What growing zone is Campo Bonito in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.
What is the best time of year to visit Campo Bonito?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Campo Bonito getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 52% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Campo Bonito.
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.