California · NOAA station USC00044303
Frost dates for Irvine Rch, CA
A 32°F freeze happens at Irvine Rch in about 4% 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 zone 10b.
- 4%Chance of 32°F in a year
- 0%Chance of 28°F in a year
- 38%Chance of 36°F in a year
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 38% |
| 32°F | 4% |
| 28°F | 0% |
| 24°F | 0% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 92602 | 10b | 35 to 40°F | 2 km |
| 92610 | 10b | 35 to 40°F | 8 km |
| 92869 | 10b | 35 to 40°F | 9 km |
| 92676 | 10b | 35 to 40°F | 10 km |
| 92692 | 10b | 35 to 40°F | 14 km |
| 92688 | 10b | 35 to 40°F | 15 km |
| 92679 | 10b | 35 to 40°F | 17 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 USC00044303, at 33.7200, -117.7231, elevation 165 m (540 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 1.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Tustin Irvine Rch (3 km)
- Santa Ana Fire Station (14 km)
- Santa Ana John Wayne Airport (14 km)
- Anaheim (20 km)
- Newport Beach Harbor (20 km)
- Laguna Beach (20 km)
- Fullerton Muni Airport (29 km)
- Chino Airport (30 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.