Frost Dates for East Renton Highlands, WA

Based on data from Renton Muni AP weather station, 5 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. March 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 16
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 March 22
First Fall Frost November 7

Hard Freeze (28°F)

Last Spring Hard Freeze February 13
First Fall Hard Freeze December 6
47.48°N, -122.11°W © OpenStreetMap

Growing Season

248 Days March 13 to November 16

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 8b

Avg. annual minimum: 15 to 20°F (−9 to −7°C)

Learn more

Köppen Climate iThe 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

30° 50° 70°
43°
High: 48°F
Avg: 43°F
Low: 37°F
Jan
44°
High: 50°F
Avg: 44°F
Low: 37°F
Feb
47°
High: 55°F
Avg: 47°F
Low: 40°F
Mar
51°
High: 60°F
Avg: 51°F
Low: 43°F
Apr
58°
High: 66°F
Avg: 58°F
Low: 49°F
May
62°
High: 71°F
Avg: 62°F
Low: 54°F
Jun
67°
High: 77°F
Avg: 67°F
Low: 58°F
Jul
68°
High: 78°F
Avg: 68°F
Low: 57°F
Aug
62°
High: 72°F
Avg: 62°F
Low: 53°F
Sep
54°
High: 61°F
Avg: 54°F
Low: 46°F
Oct
46°
High: 52°F
Avg: 46°F
Low: 40°F
Nov
42°
High: 47°F
Avg: 42°F
Low: 37°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 5.3"
4.6"
4.58"
Jan
3.4"
3.39"
Feb
4.0"
3.95"
Mar
3.5"
3.49"
Apr
3.1"
3.12"
May
2.5"
2.46"
Jun
1.7"
1.71"
Jul
2.2"
2.17"
Aug
2.7"
2.69"
Sep
4.0"
3.97"
Oct
5.3"
5.28"
Nov
4.8"
4.79"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:41 AM – 4:19 PM · 8h 39m
Feb: 6:60 AM – 5:00 PM · 10h 01m
Mar: 6:12 AM – 5:48 PM · 11h 35m
Apr: 5:18 AM – 6:42 PM · 13h 23m
May: 4:33 AM – 7:27 PM · 14h 54m
Jun: 4:08 AM – 7:52 PM · 15h 44m
Jul: 4:18 AM – 7:42 PM · 15h 24m
Aug: 4:58 AM – 7:02 PM · 14h 04m
Sep: 5:50 AM – 6:10 PM · 12h 19m
Oct: 6:43 AM – 5:17 PM · 10h 35m
Nov: 7:29 AM – 4:31 PM · 9h 02m
Dec: 7:52 AM – 4:08 PM · 8h 15m
Daylight Longest: 15h 46m · Shortest: 8h 14m

Nearby Stations

Seattle Boeing Fld, WA March 13 - November 17 Kent, WAMarch 20 - November 10 Seattle Tacoma Intl AP, WA March 2 - November 23 Seattle Sand Pt Wsfo, WA March 8 - November 23 Landsburg, WA April 20 - October 25 Snoqualmie Falls, WA March 30 - November 7

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