Last frost date in Bremerton, Washington
March 29
Average last frost in spring. In an early year (1 in 10) it's over by March 5; in a late year (1 in 10) it comes after April 24.
November 14
Average first frost in fall. 1 year in 10 it comes by October 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Bremerton (USC00450872), 2.6 miles from Bremerton, elevation 110 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Bainbridge Island, Port Orchard and Poulsbo, so their frost dates are the same as Bremerton's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 5 | Mar 29 | Apr 24 |
| First frost in fall | Oct 26 | Nov 14 | Dec 1 |
Frost-free days in an average year: 227
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 25 | Oct 27 |
| Frost (32°F) | Every year | Mar 29 | Nov 14 |
| Hard freeze (28°F) | Every year | Feb 27 | Nov 30 |
Nights at 32°F or colder in an average year: 42
What to plant now in Bremerton
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 30 Bremerton: March 29
- Fall planting calendar for an average first frost around November 10 Bremerton: November 14
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Washington
- Seattle 18 mi · last frost Mar 8
- Burien 18 mi · last frost Mar 2
- Mercer Island 23 mi · last frost Mar 13
- Tacoma 23 mi · last frost Mar 8
- Renton 25 mi · last frost Mar 13