Frost Dates for Lake Marcel-Stillwater, WA

Based on data from Tolt S Fk Rsvr weather station, 10 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 13
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 23
First Fall Frost November 2

Hard Freeze (28°F)

Last Spring Hard Freeze March 14
First Fall Hard Freeze November 28
47.69°N, -121.92°W © OpenStreetMap

Growing Season

211 Days April 13 to November 10

USDA Hardiness Zone iHardiness 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 8a

Avg. annual minimum: 10 to 15°F (−12 to −9°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

30° 50° 70°
37°
High: 41°F
Avg: 37°F
Low: 33°F
Jan
38°
High: 43°F
Avg: 38°F
Low: 33°F
Feb
40°
High: 46°F
Avg: 40°F
Low: 34°F
Mar
45°
High: 52°F
Avg: 45°F
Low: 37°F
Apr
52°
High: 61°F
Avg: 52°F
Low: 44°F
May
57°
High: 65°F
Avg: 57°F
Low: 49°F
Jun
63°
High: 72°F
Avg: 63°F
Low: 54°F
Jul
63°
High: 72°F
Avg: 63°F
Low: 54°F
Aug
58°
High: 66°F
Avg: 58°F
Low: 50°F
Sep
49°
High: 55°F
Avg: 49°F
Low: 43°F
Oct
41°
High: 45°F
Avg: 41°F
Low: 36°F
Nov
36°
High: 40°F
Avg: 36°F
Low: 32°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 12.8"
12.4"
12.41"
Jan
10.1"
10.11"
Feb
10.2"
10.17"
Mar
9.1"
9.13"
Apr
8.2"
8.20"
May
7.0"
6.99"
Jun
4.0"
3.95"
Jul
4.0"
3.97"
Aug
7.4"
7.42"
Sep
11.3"
11.35"
Oct
12.8"
12.79"
Nov
11.9"
11.94"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:41 AM – 4:19 PM · 8h 37m
Feb: 7:00 AM – 4:60 PM · 9h 60m
Mar: 6:12 AM – 5:48 PM · 11h 35m
Apr: 5:18 AM – 6:42 PM · 13h 24m
May: 4:32 AM – 7:28 PM · 14h 56m
Jun: 4:07 AM – 7:53 PM · 15h 46m
Jul: 4:17 AM – 7:43 PM · 15h 25m
Aug: 4:57 AM – 7:03 PM · 14h 05m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:43 AM – 5:17 PM · 10h 34m
Nov: 7:30 AM – 4:30 PM · 9h 01m
Dec: 7:53 AM – 4:07 PM · 8h 14m
Daylight Longest: 15h 48m · Shortest: 8h 12m

Nearby Stations

Baring, WAApril 14 - October 29 Startup 1 E, WA April 15 - October 25 Snoqualmie Falls, WA March 30 - November 7 Monroe, WAApril 17 - October 23 Cedar Lake, WA April 23 - November 1 Landsburg, WA April 20 - October 25

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