Frost Dates for Nelson Cs, BC

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 20
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 April 26
First Fall Frost October 12

Hard Freeze (−2°C)

Last Spring Hard Freeze March 31
First Fall Hard Freeze November 4
49.48°N, -117.30°W © OpenStreetMap

Growing Season

181 Days April 20 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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°C)

Learn more

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

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

-5° 5° 15° 25°
-1°
High: 1°C
Avg: -1°C
Low: -3°C
Jan
1°
High: 4°C
Avg: 1°C
Low: -3°C
Feb
4°
High: 9°C
Avg: 4°C
Low: 0°C
Mar
9°
High: 15°C
Avg: 9°C
Low: 3°C
Apr
13°
High: 20°C
Avg: 13°C
Low: 7°C
May
16°
High: 23°C
Avg: 16°C
Low: 10°C
Jun
21°
High: 29°C
Avg: 21°C
Low: 13°C
Jul
20°
High: 28°C
Avg: 20°C
Low: 13°C
Aug
15°
High: 22°C
Avg: 15°C
Low: 9°C
Sep
8°
High: 13°C
Avg: 8°C
Low: 4°C
Oct
3°
High: 5°C
Avg: 3°C
Low: 0°C
Nov
-1°
High: 1°C
Avg: -1°C
Low: -3°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
64 mm
63.5 mm
Jan
51 mm
50.8 mm
Feb
66 mm
66.0 mm
Mar
66 mm
66.0 mm
Apr
58 mm
58.4 mm
May
84 mm
83.8 mm
Jun
23 mm
22.9 mm
Jul
25 mm
25.4 mm
Aug
33 mm
33.0 mm
Sep
66 mm
66.0 mm
Oct
84 mm
83.8 mm
Nov
76 mm
76.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:48 AM – 4:12 PM · 8h 23m
Feb: 7:04 AM – 4:56 PM · 9h 52m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:26 AM – 7:34 PM · 15h 08m
Jun: 3:59 AM – 8:01 PM · 16h 02m
Jul: 4:10 AM – 7:50 PM · 15h 40m
Aug: 4:53 AM – 7:07 PM · 14h 13m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 29m
Nov: 7:36 AM – 4:24 PM · 8h 48m
Dec: 8:01 AM – 3:59 PM · 7h 57m
Daylight Longest: 16h 04m · Shortest: 7h 56m

Nearby Stations

Nelson Rixen Creek, BC May 8 - October 7 Nelson Ne, BC April 24 - October 18 Castlegar A, BCMay 1 - October 7 Castlegar Bchpa Dam, BC April 14 - October 22 Warfield Rcs, BC April 30 - October 12 Boundary Dam, WAMay 4 - October 4

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