California · NOAA station USW00003166
Frost dates for Fullerton Muni Airport, CA
A 32°F freeze happens at Fullerton Muni Airport in about 7% of years. That is too few freeze years for NOAA to compute reliable spring and fall frost dates, so none are shown. Nearby ZIP codes are in USDA hardiness zones 10a to 10b.
- 7%Chance of 32°F in a year
- 0%Chance of 28°F in a year
- 62%Chance of 36°F in a year
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 62% |
| 32°F | 7% |
| 28°F | 0% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 90621 | 10a | 30 to 35°F | 1 km |
| 92833 | 10a | 30 to 35°F | 2 km |
| 92801 | 10b | 35 to 40°F | 4 km |
| 90638 | 10a | 30 to 35°F | 4 km |
| 90620 | 10a | 30 to 35°F | 4 km |
| 92832 | 10b | 35 to 40°F | 5 km |
| 92804 | 10a | 30 to 35°F | 6 km |
| 90623 | 10a | 30 to 35°F | 6 km |
| 92835 | 10a | 30 to 35°F | 7 km |
| 90604 | 10b | 35 to 40°F | 7 km |
| 90680 | 10a | 30 to 35°F | 8 km |
| 90630 | 10a | 30 to 35°F | 8 km |
| 90603 | 10b | 35 to 40°F | 8 km |
| 90631 | 10a | 30 to 35°F | 8 km |
| 90703 | 10a | 30 to 35°F | 8 km |
| 92802 | 10b | 35 to 40°F | 9 km |
| 92841 | 10a | 30 to 35°F | 9 km |
| 90605 | 10b | 35 to 40°F | 10 km |
| 90670 | 10b | 35 to 40°F | 10 km |
| 90650 | 10b | 35 to 40°F | 10 km |
| 92845 | 10a | 30 to 35°F | 11 km |
| 90602 | 10b | 35 to 40°F | 12 km |
| 91748 | 10a | 30 to 35°F | 14 km |
| 91745 | 10b | 35 to 40°F | 14 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USW00003166, at 33.8719, -117.9789, elevation 29 m (96 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 0.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Anaheim (13 km)
- Long Beach Daugherty Field (17 km)
- Santa Ana Fire Station (18 km)
- Santa Ana John Wayne Airport (24 km)
- San Gabriel Fire Dept (26 km)
- Tustin Irvine Rch (28 km)
- Irvine Rch (29 km)
- Pomona/fairplex (31 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.