| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2g - Southern Puget Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98513 - Olympia, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 33 | 35 | 38 | 43 | 47 | 51 | 51 | 46 | 40 | 36 | 33 | 40 |
| Avg Max Temp (°F) | 45 | 49 | 53 | 59 | 65 | 70 | 76 | 77 | 72 | 61 | 50 | 44 | 60 |
| Avg Precip (In.) | 6.63 | 5.49 | 4.81 | 3.37 | 2.34 | 1.86 | .91 | 1.21 | 2 | 3.93 | 7.25 | 7.23 | 47.03 |