Frost Dates for Hamilton, Canada

Based on data from Richmond Nature Park weather station, 6 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 29
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 16
First Fall Frost October 23

Hard Freeze (−2°C)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 14
49.17°N, -122.97°W © OpenStreetMap

Growing Season

202 Days April 10 to October 29

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

0° 10° 20°
4°
High: 7°C
Avg: 4°C
Low: 1°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: 24°C
Avg: 19°C
Low: 13°C
Aug
15°
High: 21°C
Avg: 15°C
Low: 10°C
Sep
10°
High: 15°C
Avg: 10°C
Low: 6°C
Oct
6°
High: 10°C
Avg: 6°C
Low: 3°C
Nov
4°
High: 7°C
Avg: 4°C
Low: 1°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
173 mm
172.7 mm
Jan
97 mm
96.5 mm
Feb
127 mm
127.0 mm
Mar
102 mm
101.6 mm
Apr
66 mm
66.0 mm
May
64 mm
63.5 mm
Jun
23 mm
22.9 mm
Jul
36 mm
35.6 mm
Aug
61 mm
61.0 mm
Sep
122 mm
121.9 mm
Oct
180 mm
180.3 mm
Nov
183 mm
182.9 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

Vancouver Int'L A, Canada March 19 - November 10 Vancouver Harbour Cs, Canada February 20 - November 23 Sandheads Cs, Canada February 14 - December 4 Delta Tsawwassen Beach, Canada March 1 - November 22 Port Moody Glenayre, Canada March 23 - November 10 West Vancouver Aut, Canada March 18 - November 19

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