Frost dates · Oregon
When is the first frost in Astoria?
In a typical year, Astoria’s first frost comes around November 11 and its last around March 26.
One year in ten the first frost comes as early as October 22, and nine years in ten it has arrived by December 8. One year in ten the last frost is over as early as February 27, and nine years in ten it is over by April 18. Astoria averages about 29 nights a year at 32°F or colder, with about 232 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around March 26. That makes it the 26th latest first frost of the 117 cities we track where it freezes most years.
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Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | October 22 | November 11 | December 8 |
| Last frost | February 27 | March 26 | April 18 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Birmingham, Alabama: first frost around November 11
- Little Rock, Arkansas: first frost around November 10
- Newark, New Jersey: first frost around November 10
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00094224.