Frost Dates for Nelson, BC

Based on data from Nelson Cs weather station, 1 miles away

Elevation: 541 m

Frost Dates

Last Spring Frost (50%) A 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%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 18

30% Probability

Only 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
49.50°N, 117.29°W © OpenStreetMap

Growing Season

181 Days April 20 to October 18

USDA Hardiness Zone

Hardiness 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: −15 to −12°C

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January1°-1°-3°
February4°1°-3°
March9°4°0°
April15°9°3°
May20°13°7°
June23°16°10°
July29°21°13°
August28°20°13°
September22°15°9°
October13°8°4°
November5°3°0°
December1°-1°-3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January64
February51
March66
April66
May58
June84
July23
August25
September33
October66
November84
December76

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 16h 04m · Shortest: 7h 56m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:47 AM4:10 PM8h 23m
February7:08 AM4:60 PM9h 52m
March7:12 AM6:46 PM11h 34m
April6:05 AM7:34 PM13h 30m
May5:12 AM8:19 PM15h 08m
June4:48 AM8:51 PM16h 02m
July5:05 AM8:45 PM15h 40m
August5:47 AM8:00 PM14h 13m
September6:33 AM6:54 PM12h 21m
October7:20 AM5:49 PM10h 29m
November7:10 AM3:58 PM8h 48m
December7:46 AM3:44 PM7h 57m

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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