Hoquiam, WA frost dates
How Hoquiam compares
- In 8 years out of 10, the last spring frost in Hoquiam falls between February 28 and April 25, a 56-day window. The first fall frost falls between October 22 and December 9.
- The median last frost is 22 days earlier than the Washington median of Apr 21.
- Its 229-day growing season is longer than 80% of the 491 Washington places with a regular frost season (state median 182 days).
- The last frost is 14 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 26 nights a year at or below 32°F.
- Compared with Olympia, WA, 75 km away, the last frost here is 30 days earlier than there and the growing season is 61 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 30 |
| 10% (safe for tender plants) | April 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 22 |
| 50% (median) | November 14 |
| 90% (late) | December 9 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Hoquiam, WA
Hoquiam, WA frost dates — last frost Mar 30, first frost Nov 14, zone 8b. whenisthelastfrost.com
When to plant vegetables in Hoquiam, WA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 5 – Jan 19 | Mar 2 – Mar 16 | — | — |
| Peppers | Jan 19 – Feb 2 | Apr 13 – Apr 27 | — | — |
| Eggplant | Jan 19 – Feb 2 | Apr 13 – Apr 27 | — | — |
| Tomatoes | Feb 2 – Feb 16 | Apr 6 – Apr 20 | — | — |
| Lettuce | Feb 2 – Feb 16 | Mar 9 – Mar 23 | Mar 2 – Apr 6 | Sep 19 – Oct 17 |
| Kale | Feb 2 – Feb 16 | Mar 2 – Mar 16 | Mar 2 – Mar 16 | Sep 5 – Sep 26 |
| Broccoli | Feb 2 – Feb 16 | Mar 16 – Mar 30 | — | Aug 8 – Aug 29 |
| Cabbage | Feb 2 – Feb 16 | Mar 9 – Mar 23 | — | Aug 8 – Aug 29 |
| Cauliflower | Feb 2 – Feb 16 | Mar 16 – Mar 30 | — | Aug 8 – Aug 29 |
| Okra | Feb 16 – Mar 2 | Apr 20 – May 4 | Apr 20 – May 4 | — |
| Basil | Feb 16 – Mar 2 | Apr 6 – Apr 20 | — | — |
| Peas | — | — | Feb 16 – Mar 9 | Aug 22 – Sep 12 |
| Spinach | — | — | Feb 16 – Mar 9 | Sep 19 – Oct 10 |
| Radishes | — | — | Feb 23 – Apr 6 | Oct 3 – Oct 24 |
| Cucumbers | Mar 2 – Mar 9 | Apr 13 – Apr 20 | Apr 6 – Apr 20 | Aug 29 – Sep 12 |
| Zucchini & Summer Squash | Mar 2 – Mar 9 | — | Apr 6 – Apr 20 | Sep 5 – Sep 19 |
| Winter Squash & Pumpkins | Mar 2 – Mar 9 | — | Apr 6 – Apr 20 | — |
| Melons & Watermelon | Mar 2 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Carrots | — | — | Mar 9 – Apr 6 | Aug 22 – Sep 5 |
| Beets | — | — | Mar 9 – Apr 6 | Sep 5 – Sep 19 |
| Potatoes | — | — | Mar 9 – Mar 30 | — |
| Swiss Chard | — | — | Mar 16 – Apr 13 | Sep 5 – Sep 19 |
| Cilantro | — | — | Mar 16 – Apr 6 | Sep 19 – Oct 10 |
| Green Beans | — | — | Apr 6 – Apr 27 | Aug 29 – Sep 12 |
| Sweet Corn | — | — | Apr 6 – Apr 20 | — |
| Sweet Potatoes | — | Apr 13 – May 4 | — | — |
| Garlic | — | — | — | Oct 31 – Dec 5 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Hoquiam Bowerman Ap, WA weather station, 4 km away (elevation 13 ft (4 m)).
Frost dates near Hoquiam
- Aberdeen Mar 29 · Nov 15
- Cosmopolis Mar 29 · Nov 15
- Westport Mar 29 · Nov 7
- Ocean Shores Mar 30 · Nov 14
- Grayland Mar 29 · Nov 7
- Copalis Beach Apr 26 · Oct 22
- Copalis Crossing Apr 26 · Oct 22
- Satsop May 1 · Oct 14
- Montesano Apr 23 · Oct 20
- Tokeland Mar 29 · Nov 7
Frequently asked questions
When is the last frost in Hoquiam, WA?
The median last spring frost in Hoquiam, WA is March 30. There is still about a 10% chance of frost after April 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hoquiam, WA?
The median first fall frost is November 14, with about a 10% chance of frost before October 22.
How long is the growing season in Hoquiam, WA?
About 229 days between the median last spring frost and first fall frost.
What planting zone is Hoquiam, WA?
Hoquiam, WA is in USDA hardiness zone 8b.