Flood zone: it depends on the exact parcel
There is no such thing as a flood zone for a whole city. Two houses on the same street can sit in different zones, and it is the single fact here that changes most over a short distance. So this page does not guess one.
Earthquake hazard very-high
Design category D
Very high seismic hazard — at or near a major active fault. Very strong ground shaking is likely and the most stringent seismic-design provisions apply. A site-specific ground-motion study is typically required. The ASCE 7 Seismic Design Category here is D. (Short-period design value Ss ≈ 1.521 g — the standard headline measure of ground-shaking hazard.)
USGS Seismic Design Web Services (ASCE 7), assuming Site Class D — stiff or unknown soil. Real soil conditions can move the category either way.
Typical weather
86.7° in August, 45.6° in December
Thirty-year averages, not a forecast. Any individual year can differ substantially.
| Month | High | Low | Rain |
|---|---|---|---|
| Jan | 68.8° | 46.4° | 2.85" |
| Feb | 69° | 48.3° | 3.02" |
| Mar | 71° | 51.5° | 1.74" |
| Apr | 74.2° | 53.8° | 0.59" |
| May | 75.7° | 58.1° | 0.3" |
| Jun | 79° | 62.6° | 0.08" |
| Jul | 84.4° | 66.1° | 0.02" |
| Aug | 86.7° | 66.4° | 0.02" |
| Sep | 85.4° | 64.6° | 0.14" |
| Oct | 80.3° | 58.3° | 0.5" |
| Nov | 74° | 50.7° | 0.74" |
| Dec | 68.1° | 45.6° | 1.86" |
This station records temperature and precipitation but not snowfall, so no snow column is shown. That is missing data, not a report of zero snow — Cerritos may well get plenty.
NOAA/NCEI 1991–2020 U.S. Climate Normals — station FULLERTON MUNI AP, CA US, 5.2 mi away.
Growing season zone 10a
365 frost-free days
Heads up: the nearest station with a full 30-year record is SAN GABRIEL FIRE DEPT, CA US, about 15.1 miles from here. Treat these as regional rather than local — terrain, elevation and water can change a lot in that distance.
Last spring frost around n/a, first fall frost around n/a. Roughly half of years see frost outside that window.
2023 USDA Plant Hardiness Zone Map and NOAA/NCEI 1991–2020 frost normals.
What this page does not tell you
- Nothing about a specific property — only the area around it.
- No flood zone, deliberately: that is parcel-level and this page would have to guess.
- Nothing about wildfire, radon, subsidence, soil or the building itself.
- Climate normals describe a typical year, not the year you are about to have.