Frost Dates for Mount Vista, WA

Based on data from Vancouver 4 Nne weather station, 4 miles away

Elevation: 246 ft

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 26
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. October 18
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 May 1
First Fall Frost October 10

Hard Freeze (28°F)

Last Spring Hard Freeze March 30
First Fall Hard Freeze November 4
45.73°N, -122.63°W © OpenStreetMap

Growing Season

175 Days April 26 to October 18

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.

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°
39°
High: 45°F
Avg: 39°F
Low: 32°F
Jan
41°
High: 49°F
Avg: 41°F
Low: 32°F
Feb
45°
High: 54°F
Avg: 45°F
Low: 35°F
Mar
49°
High: 59°F
Avg: 49°F
Low: 38°F
Apr
55°
High: 66°F
Avg: 55°F
Low: 44°F
May
60°
High: 71°F
Avg: 60°F
Low: 49°F
Jun
65°
High: 78°F
Avg: 65°F
Low: 53°F
Jul
66°
High: 79°F
Avg: 66°F
Low: 52°F
Aug
60°
High: 74°F
Avg: 60°F
Low: 47°F
Sep
51°
High: 62°F
Avg: 51°F
Low: 41°F
Oct
43°
High: 51°F
Avg: 43°F
Low: 36°F
Nov
38°
High: 45°F
Avg: 38°F
Low: 32°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 6" 6.9"
5.8"
5.84"
Jan
4.5"
4.48"
Feb
4.7"
4.74"
Mar
3.8"
3.82"
Apr
3.7"
3.71"
May
3.0"
2.95"
Jun
2.4"
2.37"
Jul
2.7"
2.73"
Aug
3.3"
3.31"
Sep
4.7"
4.66"
Oct
6.0"
6.00"
Nov
6.9"
6.92"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:54 AM – 4:46 PM · 8h 52m
Feb: 7:21 AM – 5:29 PM · 10h 08m
Mar: 7:32 AM – 7:09 PM · 11h 37m
Apr: 6:32 AM – 7:50 PM · 13h 18m
May: 5:45 AM – 8:28 PM · 14h 43m
Jun: 5:26 AM – 8:56 PM · 15h 29m
Jul: 5:41 AM – 8:51 PM · 15h 10m
Aug: 6:17 AM – 8:13 PM · 13h 56m
Sep: 6:56 AM – 7:14 PM · 12h 18m
Oct: 7:36 AM – 6:16 PM · 10h 40m
Nov: 7:19 AM – 4:32 PM · 9h 13m
Dec: 7:51 AM – 4:22 PM · 8h 30m
Daylight Pacific Time (PT) Longest: 15h 31m · Shortest: 8h 29m

Nearby Stations

Vancouver Pearson AP, WA March 29 - November 9 Portland Intl AP, OR March 13 - November 19 Battle Ground, WA April 26 - October 16 Portland Wfo, OR March 13 - November 22 Portland Kgw-Tv, OR February 25 - December 1 Scappoose Ind AP, OR April 10 - November 2

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