Frost Dates for Hoquiam, WA

Based on data from Hoquiam Bowerman AP weather station, 2 miles away

Elevation: 23 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 30
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 14

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost April 9
First Fall Frost November 3

Hard Freeze (28°F)

Last Spring Hard Freeze February 21
First Fall Hard Freeze December 8
46.98°N, 123.89°W © OpenStreetMap

Growing Season

229 Days March 30 to November 14

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January48°43°38°
February50°44°38°
March52°46°39°
April56°49°42°
May60°53°47°
June63°57°51°
July67°60°54°
August68°61°54°
September67°59°51°
October60°53°46°
November52°46°40°
December47°42°37°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January9.6
February7.3
March7.2
April5.4
May3.8
June2.5
July1.7
August2.1
September3.7
October7.3
November9.5
December9.7

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 42m · Shortest: 8h 19m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:04 AM4:46 PM8h 43m
February7:29 AM5:32 PM10h 03m
March7:37 AM7:13 PM11h 36m
April6:35 AM7:57 PM13h 22m
May5:46 AM8:37 PM14h 51m
June5:26 AM9:06 PM15h 40m
July5:41 AM9:01 PM15h 20m
August6:19 AM8:21 PM14h 02m
September7:01 AM7:20 PM12h 19m
October7:43 AM6:19 PM10h 36m
November7:28 AM4:33 PM9h 05m
December8:02 AM4:21 PM8h 20m

Nearby Stations

Aberdeen, WA March 29 - November 15 Grayland, WAMarch 29 - November 7 Humptulips Salmon Hatchery, WA April 26 - October 22 Aberdeen 20nne, WA April 15 - November 2 Raymond 2 S, WA April 26 - October 17 Elma, WAMay 1 - October 14

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview