Frost Dates for Chilliwack-Downtown, Canada

Based on data from Chilliwack weather station, 2 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 10
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 31
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 19
First Fall Frost October 26

Hard Freeze (−2°C)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 22
49.16°N, -121.96°W © OpenStreetMap

Growing Season

204 Days April 10 to October 31

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.

Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

0° 10° 20° 30°
3°
High: 6°C
Avg: 3°C
Low: 0°C
Jan
5°
High: 9°C
Avg: 5°C
Low: 1°C
Feb
7°
High: 12°C
Avg: 7°C
Low: 3°C
Mar
10°
High: 15°C
Avg: 10°C
Low: 5°C
Apr
14°
High: 19°C
Avg: 14°C
Low: 8°C
May
16°
High: 22°C
Avg: 16°C
Low: 11°C
Jun
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 12°C
Aug
16°
High: 22°C
Avg: 16°C
Low: 9°C
Sep
11°
High: 15°C
Avg: 11°C
Low: 6°C
Oct
6°
High: 9°C
Avg: 6°C
Low: 3°C
Nov
3°
High: 6°C
Avg: 3°C
Low: 0°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 75 mm 150 mm 225 mm
246 mm
246.4 mm
Jan
117 mm
116.8 mm
Feb
170 mm
170.2 mm
Mar
109 mm
109.2 mm
Apr
97 mm
96.5 mm
May
89 mm
88.9 mm
Jun
46 mm
45.7 mm
Jul
64 mm
63.5 mm
Aug
81 mm
81.3 mm
Sep
191 mm
190.5 mm
Oct
254 mm
254.0 mm
Nov
211 mm
210.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:47 AM – 4:13 PM · 8h 26m
Feb: 7:03 AM – 4:57 PM · 9h 53m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 28m
May: 4:27 AM – 7:33 PM · 15h 06m
Jun: 4:00 AM – 7:60 PM · 15h 59m
Jul: 4:11 AM – 7:49 PM · 15h 37m
Aug: 4:54 AM – 7:06 PM · 14h 12m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:45 AM – 5:15 PM · 10h 30m
Nov: 7:35 AM – 4:25 PM · 8h 50m
Dec: 7:60 AM – 4:00 PM · 8h 00m
Daylight Longest: 16h 01m · Shortest: 7h 59m

Nearby Stations

Sardis, BCApril 6 - October 30 Agassiz Cda, BC March 23 - November 14 Agassiz Cs, BC March 20 - November 15 Chilliwack R Hatchery, BC April 15 - October 26 Mission West Abbey, BC March 21 - November 18 Laidlaw, BCMarch 25 - November 13

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