Last frost date in Five Corners, WA
The average last frost in Five Corners is April 26. By May 10 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 18, which leaves 177 frost-free days. An early freeze before October 1 happens one year in ten.
- Safe after (10% risk)
- May 10
- Average first frost
- Oct 18
- Frost-free season
- 177 days
- Hard freeze (28°F) ends
- Mar 30
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 2539°
- MonOct 2637°
- TueOct 2736°possible frost
Planting calendar for Five Corners
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 7 | Apr 26 | May 10 | Oct 1 | Oct 18 | Nov 8 |
| Hard freeze, 28°F | Mar 8 | Mar 30 | Apr 20 | Oct 16 | Nov 4 | Nov 28 |
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 Vancouver 4 NNE (USC00458773) sits 4.0 miles from the center of Five Corners at 210 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 Five Corners, WA?
The average last frost date in Five Corners is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 10.
When is the first frost in Five Corners?
The first frost in fall usually comes around October 18. One year in ten it arrives before October 1.
How long is the growing season in Five Corners?
About 177 days between the average last and first frost.
When should I plant tomatoes in Five Corners?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.
Nearby in Washington
- OrchardsApr 26
- VancouverMar 29
- Hazel DellApr 26
- Battle GroundApr 26
- CamasMar 16
- LongviewApr 8
- TumwaterApr 29
- GrahamApr 11
- LaceyApr 29
- OlympiaApr 29
- FredericksonApr 11
- SpanawayApr 11