Frost Dates for Suquamish, WA

Based on data from Bremerton weather station, 13 miles away

Elevation: 69 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 29
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 7
First Fall Frost November 7

Hard Freeze (28°F)

Last Spring Hard Freeze February 27
First Fall Hard Freeze November 30
47.73°N, 122.55°W © OpenStreetMap

Growing Season

230 Days March 29 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 8b

Avg. annual minimum: 15 to 20°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
January47°41°36°
February49°42°35°
March54°46°38°
April59°50°41°
May66°56°47°
June70°61°51°
July77°66°55°
August77°66°55°
September72°62°51°
October61°53°45°
November51°45°39°
December46°40°35°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January7.2
February5.6
March5.3
April3.9
May3.1
June2.3
July1.9
August2.2
September3.1
October4.9
November8.0
December8.7

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 47m · Shortest: 8h 13m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:01 AM4:39 PM8h 38m
February7:25 AM5:25 PM10h 00m
March7:33 AM7:08 PM11h 35m
April6:29 AM7:53 PM13h 24m
May5:40 AM8:34 PM14h 55m
June5:18 AM9:03 PM15h 45m
July5:34 AM8:59 PM15h 24m
August6:13 AM8:17 PM14h 05m
September6:56 AM7:15 PM12h 19m
October7:39 AM6:13 PM10h 35m
November7:25 AM4:27 PM9h 01m
December7:59 AM4:14 PM8h 15m

Nearby Stations

Seattle Boeing Fld, WA March 13 - November 17 Seattle Tacoma Intl AP, WA March 2 - November 23 Quilcene 2 Sw, WA April 11 - October 28 Tacoma Narrows AP, WA March 11 - November 21 Seattle Sand Pt Wsfo, WA March 8 - November 23 Renton Muni AP, WA March 13 - November 16

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