Last frost date in Battle Ground, WA
In Battle Ground, the last spring frost comes around April 26 in an average year. Wait until May 12 if you want 90% odds of no more frost. The first fall frost usually arrives about October 16, which leaves 174 frost-free days. An early freeze before September 29 happens one year in ten.
- Safe after (10% risk)
- May 12
- Average first frost
- Oct 16
- Frost-free season
- 174 days
- Hard freeze (28°F) ends
- Mar 29
Frost possible in low spots Thu night, low 36°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2236°possible frost
- FriOct 2333°possible frost
- SatOct 2437°
- SunOct 2540°
- MonOct 2638°
- TueOct 2737°
Planting calendar for Battle Ground
Windows count forward or back from the average frost dates above. Click a crop for dates across Washington.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 5 | Apr 26 | May 12 | Sep 29 | Oct 16 | Nov 10 |
| Hard freeze, 28°F | Mar 4 | Mar 29 | Apr 23 | Oct 16 | Nov 5 | Nov 30 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Battle Ground (USC00450482) sits 0.7 miles from the center of Battle Ground at 284 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Battle Ground, WA?
The average last frost date in Battle Ground is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 12.
When is the first frost in Battle Ground?
The first frost in fall usually comes around October 16. One year in ten it arrives before September 29.
How long is the growing season in Battle Ground?
About 174 days between the average last and first frost.
When should I plant tomatoes in Battle Ground?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.
Nearby in Washington
- OrchardsApr 26
- Five CornersApr 26
- Hazel DellApr 26
- VancouverMar 29
- CamasMar 16
- LongviewApr 8
- TumwaterApr 29
- GrahamApr 11
- LaceyApr 29
- OlympiaApr 29
- FredericksonApr 11
- SpanawayApr 11