🌷 2026 Last Frost Dates for Naselle, Washington 98638
The last 36°F Spring frost date is 30% likely to be on May 21. (See detailed probabilities below.)
The last 32°F light freeze date is 30% likely to be on Apr 30. (See detailed probabilities below.)
(See also 🍂 First Fall Frost Dates.)
Last frost date probabilities for Naselle, WA are based on historical climate data.
Always check your local forecast for the most up-to-date frost warnings.
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What is a Last Frost Date?
The last spring frost signals when your area is safe from freezing temperatures. Tender plants can now grow outdoors without cold damage! This marks the beginning of the growing season. Last spring frost serves as your essential starting point for planting warm-season crops. It's also time to remove winter protection from your perennials. Enjoy the longer days and warmer weather!
How to use the Last Frost Date?
Start seeds indoors several weeks before your last frost date. This gives plants time to reach transplanting size when weather permits. Plan your outdoor planting schedule around your area's average last frost date. Plant some crops before and some after this date to protect against weather changes. Look for spots in your yard where frost stays longer or disappears earlier. Create your own frost map to use all available growing space and extend your season. Keep watching your local weather forecast to catch any surprise late frosts.
Last Frost Date Probabilities
| Probability of frost (36°F) on or after… | |
|---|---|
| 10% chance | Jun 1 |
| 20% chance | May 27 |
| 30% chance | May 21 |
| 40% chance | May 17 |
| 50% chance | May 13 |
| 60% chance | May 10 |
| 70% chance | May 5 |
| 80% chance | Apr 30 |
| 90% chance | Apr 27 |
| Probability of light freeze (32°F) on or after… | |
|---|---|
| 10% chance | May 11 |
| 20% chance | May 4 |
| 30% chance | Apr 30 |
| 40% chance | Apr 27 |
| 50% chance | Apr 24 |
| 60% chance | Apr 19 |
| 70% chance | Apr 13 |
| 80% chance | Apr 8 |
| 90% chance | Mar 31 |
| Probability of moderate freeze (28°F) on or after… | |
|---|---|
| 10% chance | Apr 16 |
| 20% chance | Apr 5 |
| 30% chance | Mar 31 |
| 40% chance | Mar 25 |
| 50% chance | Mar 19 |
| 60% chance | Mar 14 |
| 70% chance | Mar 8 |
| 80% chance | Mar 1 |
| 90% chance | Feb 21 |
| Probability of moderate hard freeze (24°F) on or after… | |
|---|---|
| 10% chance | Mar 10 |
| 20% chance | Mar 1 |
| 30% chance | Feb 25 |
| 40% chance | Feb 19 |
| 50% chance | Feb 12 |
| 60% chance | Feb 5 |
| 70% chance | Jan 25 |
| 80% chance | Jan 7 |
| 90% chance | Dec 20 |
| Probability of hard freeze (20°F) on or after… | |
|---|---|
| 10% chance | Feb 19 |
| 20% chance | Feb 9 |
| 30% chance | Jan 30 |
| 40% chance | Jan 16 |
| 50% chance | Jan 3 |
| 60% chance | Dec 28 |
| 70% chance | Dec 16 |
| 80% chance | Dec 6 |
| 90% chance | Nov 27 |
| Probability of severe hard freeze (16°F) on or after… | |
|---|---|
| 10% chance | Feb 10 |
| 20% chance | Feb 1 |
| 30% chance | Jan 15 |
| 40% chance | Jan 1 |
| 50% chance | Dec 29 |
| 60% chance | Dec 17 |
| 70% chance | Dec 10 |
| 80% chance | Dec 4 |
| 90% chance | Nov 29 |
Agricultural climatic data from weather station: NASELLE 2 ENE (USC00455774:frost)