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.
Typical weather
74.7° in September, 44.1° in January
Thirty-year averages, not a forecast. Any individual year can differ substantially.
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| Jan | 58.2° | 44.1° | 4.83" | 0" |
| Feb | 61.3° | 45.9° | 4.76" | 0" |
| Mar | 64.1° | 47.4° | 3.17" | 0" |
| Apr | 67.2° | 49.3° | 1.57" | 0" |
| May | 69° | 52° | 0.72" | 0" |
| Jun | 71.9° | 54.1° | 0.27" | 0" |
| Jul | 70.8° | 55.2° | 0" | 0" |
| Aug | 72.2° | 55.9° | 0.07" | 0" |
| Sep | 74.7° | 56.2° | 0.03" | 0" |
| Oct | 72.8° | 53.7° | 1.42" | 0" |
| Nov | 64.8° | 48.7° | 2.67" | 0" |
| Dec | 58.2° | 44.4° | 4.9" | 0" |
NOAA/NCEI 1991–2020 U.S. Climate Normals — station RICHMOND, CA US, 2.2 mi away.
Growing season zone 10a
365 frost-free days
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.