Bellingham, WA Frost Dates
The last spring frost in Bellingham usually comes around March 31 and the first fall frost around October 30.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | March 31 | October 30 |
| Hard freeze, 28°F | March 4 | November 16 |
Growing season: about 211 days.
Frequently asked questions
When is the last frost in Bellingham, WA?
The median date of the last spring frost (32°F) is March 31. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past March 31 lowers the risk for tender plants.
When is the first frost in Bellingham?
The median date of the first fall frost (32°F) is October 30, and a hard freeze (28°F) usually follows around November 16.
How long is the growing season in Bellingham?
About 211 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00024217. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.