Campo reaches 100° on about 18 days a year, more than 95% of U.S. towns
A typical July afternoon reaches 93°, a January night drops to 34°, and snow is almost unheard of.
A year in Campo at a glance
Each month’s typical high and low, and what it brings.
What stands out about Campo’s climate
Compared with towns across the U.S., with Campo’s place in California beside it.
What a year in Campo feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 30 and the first by October 26. Frost and day counts come from NOAA’s station at Campo, CA, 1.1 miles from the town’s center, 270 ft lower.
The 2023 USDA map puts Campo’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 21°. 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 16 inches of rain a year
February is the wettest month and June the driest. Rain falls on about 48 days a year. Snow is rare: about 0.3" in a normal year at Campo, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Campo
76% of the work is heating. Months averaging under 55° run from November 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 Campo, CA.
Living with Campo’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 9a. The last frost comes by Apr 30 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 26.
Months with highs of 62–84° and lows of 40° or more: May and October. 40 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Campo from natural hazards, wildfire is the largest share (91%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Campo and similar climates
TownRatings has no climate map of the towns around Campo yet.
Climates most like Campo’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, CA | 34° | 93° | 16" | 0.3" |
| Benson, AZ | 34° | 94° | 14" | 1.2" |
| Ashland, OR | 31° | 91° | 19" | 0.5" |
| Big Spring, TX | 33° | 95° | 18" | 2.0" |
| Hobbs, NM | 28° | 94° | 14" | 1.8" |
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 averaged 2.0° warmer than the 1900s. The biggest change is in January (+3.3°).
A bigger shift than in 88% 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 compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Campo’s place among California’s.
Campo weather by month
Highs, lows and precipitation from NOAA’s grid at Campo’s center; snow, wet days and snow on the ground from Campo, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 62° | 34° | 3.1" | 0.1" | 7 | 0 | 43° – 54° |
| February | 62° | 35° | 3.5" | 0.0" | 8 | 0 | 43° – 55° |
| March | 66° | 37° | 2.4" | 0.0" | 7 | 0 | 45° – 58° |
| April | 71° | 39° | 1.2" | 0.1" | 5 | 0 | 50° – 59° |
| May | 77° | 43° | 0.4" | 0.0" | 2 | 0 | 54° – 66° |
| June | 86° | 47° | 0.1" | 0.0" | 0 | 0 | 61° – 72° |
| July | 93° | 55° | 0.2" | 0.0" | 2 | 0 | 68° – 79° |
| August | 94° | 56° | 0.4" | 0.0" | 2 | 0 | 71° – 79° |
| September | 89° | 52° | 0.4" | 0.0" | 2 | 0 | 67° – 74° |
| October | 79° | 44° | 0.6" | 0.0" | 3 | 0 | 57° – 67° |
| November | 70° | 37° | 1.1" | 0.0" | 5 | 0 | 47° – 58° |
| December | 62° | 33° | 2.5" | 0.1" | 7 | 0 | 43° – 53° |
| Year | 76° | 43° | 15.8" | 0.3" | 48 | 0 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 45° to 58°. September is the most reliable, staying within 7°.
Where Campo’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’s center.
- Snow: Campo, CA (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Campo, CA, 1.1 miles from the town’s center, 270 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 Campo’s climate
What is the weather like in Campo?
A typical July afternoon reaches 93°, a January night drops to 34°, and snow is almost unheard of. Milder January nights than 79% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Campo in winter?
December nights average 33°. About 71 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 43°.
How much snow does Campo get?
About 0.3 inches in a normal winter at Campo, CA, so most winters see none.
How hot does it get in Campo?
July, with a typical high of 93° and a low of 55°. About 97 days a year reach 90° and 18 reach 100° (Campo, CA).
When is the first and last frost in Campo?
In half of years the last spring frost (32°) comes by April 30 and the first fall frost by October 26, about 174 frost-free days, at Campo, CA.
What growing zone is Campo in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 21°.
What is the best time of year to visit Campo?
By one simple rule (highs of 62–84° and lows of 40° or more), May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Campo getting warmer?
Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 88% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Campo.
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.