Photo: Stepheng3 · Public domainCazadero sits near the bottom of U.S. towns for July heat
Midwinter brings lows of about 41°. December is the wettest month, July the driest. By precipitation alone, it ranks wetter than 96% of U.S. towns. Long walks are most pleasant from April to October, when afternoons reach 62–76°.
A year in Cazadero at a glance
Each month’s typical high and low, and what it brings.
What stands out about Cazadero’s climate
Compared with towns across the U.S., with Cazadero’s place in California beside it.
What a year in Cazadero feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A freeze most winters
Frost and day counts come from NOAA’s station at Occidental, CA, 12 miles from the town’s center, 210 ft higher.
The 2023 USDA map puts Cazadero’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 30°. 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 58 inches of rain a year
December is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Cazadero
88% of the work is heating, so the furnace matters far more than the air conditioner. 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 Occidental, CA.
Living with Cazadero’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9b. Frost comes about 7 winters in 10, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: April, May, June, July, August, September and October. 4.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Cazadero from natural hazards, landslides are the largest share (37%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Cazadero and similar climates
TownRatings has no climate map of the towns around Cazadero 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 Cazadero averaged 1.3° warmer than the 1900s. The biggest change is in January (+1.9°).
A smaller shift than in 55% 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 Cazadero compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Cazadero’s place among California’s.
Cazadero weather by month
Highs, lows and precipitation from NOAA’s grid at Cazadero’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 57° | 41° | 11.1" | 46° – 53° |
| February | 58° | 42° | 11.1" | 45° – 55° |
| March | 60° | 43° | 7.8" | 45° – 56° |
| April | 62° | 44° | 4.2" | 48° – 56° |
| May | 67° | 47° | 1.8" | 53° – 60° |
| June | 71° | 50° | 0.5" | 58° – 63° |
| July | 74° | 53° | 0.0" | 61° – 66° |
| August | 76° | 53° | 0.1" | 62° – 68° |
| September | 75° | 52° | 0.2" | 61° – 68° |
| October | 71° | 49° | 2.4" | 56° – 65° |
| November | 62° | 44° | 6.4" | 47° – 56° |
| December | 56° | 41° | 12.2" | 46° – 54° |
| Year | 66° | 47° | 57.8" |
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 56°. June is the most reliable, staying within 5°.
Where Cazadero’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 Cazadero’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Occidental, CA, 12 miles from the town’s center, 210 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 Cazadero’s climate
What is the weather like in Cazadero?
A typical July afternoon reaches 74°, a January night drops to 41°. Milder January nights than 90% of U.S. towns; cooler July afternoons than all but 175 U.S. towns.
How cold does it get in Cazadero in winter?
January nights average 41°. About 3 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 46°.
How hot does it get in Cazadero?
July, with a typical high of 74° and a low of 53°. About 15 days a year reach 90° (Occidental, CA).
When is the first and last frost in Cazadero?
There is no reliable frost date: a 32° night comes in about 67% of winters at Occidental, CA, so most years bring a freeze but some pass without one.
What growing zone is Cazadero in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 30°.
What is the best time of year to visit Cazadero?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Cazadero getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Cazadero.
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.