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Frost dates for Bellingham, Washington

In a typical year, Bellingham’s last spring frost lands around Apr 1 and the first fall frost around Nov 2, a growing season of about 215 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 8b.

Right now the growing season is open, with about 8 days until the typical first fall frost.

Last spring frost and first fall frost odds for Bellingham, Washington
OddsLast spring frostFirst fall frost
10 percentMar 11Oct 15
50 percentApr 1Nov 2
90 percentApr 24Nov 23

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Bellingham is typically around 51°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

See what is plantable in your ZIP with the what-to-plant lookup.

Common questions

When is the last frost in Bellingham, Washington?

Bellingham’s last spring frost falls around April 1 in a typical year. One year in ten it is done by March 11, and one year in ten frost holds on until April 24. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Bellingham?

The first fall frost arrives around November 2 in a typical year, as early as October 15 in an early year and as late as November 23 in a late one.

How long is the growing season in Bellingham?

About 215 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Bellingham in?

Bellingham is in USDA hardiness zone 8b under the 2023 USDA Plant Hardiness Zone Map.

Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.

Nearby cities

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