Bradley reaches 100° on about 29 days a year, more than 97% of U.S. towns
On a normal January night the air cools to about 37°. January is the wettest month here, with about 291 times the rain of July. Precipitation is light here, less than falls on 95% of U.S. towns. Garden planting can start around April 4; autumn frost returns near November 5.
A year in Bradley at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bradley’s climate
Compared with towns across the U.S., with Bradley’s place in California beside it.
What a year in Bradley feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 213 frost-free days a year
In half of years the last 32° night comes by April 4 and the first by November 5. Frost and day counts come from NOAA’s station at Paso Robles Muni Airport, 17 miles from the town’s center, 260 ft higher.
The 2023 USDA map puts Bradley’s center in zone 9a: 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 13 inches of rain a year
January is the wettest month and July the driest. Rain falls on about 43 days a year. Snow is rare: about 0.0" in a normal year at Paso Robles Muni Airport, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Bradley
74% of the work is heating. Months averaging under 55° run from November 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 Paso Robles Muni Airport.
Living with Bradley’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
213 frost-free days in zone 9a. The last frost comes by Apr 4 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 5.
Months with highs of 62–84° and lows of 40° or more: March, April, May and October.
Parks & trails →Of the yearly building losses FEMA expects in Bradley from natural hazards, drought is the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Bradley and similar climates
TownRatings has no climate map of the towns around Bradley yet.
Climates most like Bradley’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 |
|---|---|---|---|---|
| Bradley, CA | 37° | 92° | 13" | 0.0" |
| Sierra Vista, AZ | 32° | 91° | 14" | 0.4" |
| Ashland, OR | 31° | 91° | 19" | 0.5" |
| Fort Stockton, TX | 33° | 96° | 13" | 1.4" |
| Chaparral, NM | 31° | 95° | 9" | 0.0" |
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 Bradley averaged 1.7° warmer than the 1900s. The biggest change is in January (+2.5°).
A bigger shift than in 71% 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 Bradley compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bradley’s place among California’s.
Bradley weather by month
Highs, lows and precipitation from NOAA’s grid at Bradley’s center; snow, wet days and snow on the ground from Paso Robles Muni Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 63° | 37° | 2.9" | 0.0" | 7 | 0 | 45° – 54° |
| February | 65° | 38° | 2.7" | 0.0" | 8 | 0 | 47° – 56° |
| March | 69° | 41° | 2.4" | 0.0" | 7 | 0 | 49° – 61° |
| April | 74° | 42° | 0.8" | 0.0" | 4 | 0 | 54° – 62° |
| May | 81° | 47° | 0.4" | 0.0" | 2 | 0 | 57° – 70° |
| June | 88° | 51° | 0.0" | 0.0" | 1 | 0 | 65° – 74° |
| July | 92° | 54° | 0.0" | 0.0" | 0 | 0 | 69° – 78° |
| August | 93° | 54° | 0.0" | 0.0" | 0 | 0 | 69° – 77° |
| September | 90° | 51° | 0.1" | 0.0" | 1 | 0 | 66° – 74° |
| October | 81° | 45° | 0.6" | 0.0" | 2 | 0 | 59° – 69° |
| November | 70° | 39° | 1.0" | 0.0" | 4 | 0 | 47° – 59° |
| December | 62° | 35° | 2.1" | 0.0" | 7 | 0 | 45° – 53° |
| Year | 77° | 44° | 13.0" | 0.0" | 43 | 0 |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 57° to 70°. August is the most reliable, staying within 7°.
Where Bradley’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 Bradley’s center.
- Snow: Paso Robles Muni Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Paso Robles Muni Airport, 17 miles from the town’s center, 260 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 Bradley’s climate
What is the weather like in Bradley?
A typical July afternoon reaches 92°, a January night drops to 37°, and snow is almost unheard of. Milder January nights than 84% of U.S. towns; hotter July afternoons than 88% of U.S. towns.
How cold does it get in Bradley in winter?
December nights average 35°. About 45 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 45°.
How much snow does Bradley get?
About 0.0 inches in a normal winter at Paso Robles Muni Airport, so most winters see none.
How hot does it get in Bradley?
July, with a typical high of 92° and a low of 54°. About 92 days a year reach 90° and 29 reach 100° (Paso Robles Muni Airport).
When is the first and last frost in Bradley?
In half of years the last spring frost (32°) comes by April 4 and the first fall frost by November 5, about 213 frost-free days, at Paso Robles Muni Airport.
What growing zone is Bradley in?
Zone 9a 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 Bradley?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Bradley getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bradley.
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.