Frost Dates for Glacier Np Rogers Pass, 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. June 4
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. September 4
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 June 11
First Fall Frost August 26

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze October 6
51.30°N, -117.52°W © OpenStreetMap

Growing Season

92 Days June 4 to September 4

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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°C)

Learn more

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

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-15° -5° 5° 15° 25°
-8°
High: -6°C
Avg: -8°C
Low: -10°C
Jan
-6°
High: -3°C
Avg: -6°C
Low: -9°C
Feb
-2°
High: 1°C
Avg: -2°C
Low: -6°C
Mar
2°
High: 6°C
Avg: 2°C
Low: -3°C
Apr
6°
High: 11°C
Avg: 6°C
Low: 0°C
May
10°
High: 16°C
Avg: 10°C
Low: 4°C
Jun
13°
High: 20°C
Avg: 13°C
Low: 7°C
Jul
13°
High: 20°C
Avg: 13°C
Low: 6°C
Aug
8°
High: 14°C
Avg: 8°C
Low: 3°C
Sep
2°
High: 5°C
Avg: 2°C
Low: -1°C
Oct
-4°
High: -2°C
Avg: -4°C
Low: -6°C
Nov
-9°
High: -7°C
Avg: -9°C
Low: -11°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 75 mm 150 mm 225 mm
216 mm
215.9 mm
Jan
127 mm
127.0 mm
Feb
127 mm
127.0 mm
Mar
74 mm
73.7 mm
Apr
74 mm
73.7 mm
May
84 mm
83.8 mm
Jun
86 mm
86.4 mm
Jul
86 mm
86.4 mm
Aug
104 mm
104.1 mm
Sep
142 mm
142.2 mm
Oct
191 mm
190.5 mm
Nov
180 mm
180.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:56 AM – 4:04 PM · 8h 07m
Feb: 7:09 AM – 4:51 PM · 9h 43m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:12 AM – 6:48 PM · 13h 36m
May: 4:19 AM – 7:41 PM · 15h 21m
Jun: 3:50 AM – 8:10 PM · 16h 20m
Jul: 4:02 AM – 7:58 PM · 15h 56m
Aug: 4:49 AM – 7:11 PM · 14h 23m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:49 AM – 5:11 PM · 10h 23m
Nov: 7:43 AM – 4:17 PM · 8h 35m
Dec: 8:10 AM – 3:50 PM · 7h 39m
Daylight Longest: 16h 22m · Shortest: 7h 38m

Nearby Stations

Glacier Np Mt Fidelity, BC June 12 - August 16 Golden A, BCMay 14 - September 24 Revelstoke A, BC May 3 - October 16 Goldstream River, BC May 17 - September 22 Yoho Park, BCJune 21 - August 4 Mica Dam, BCMay 13 - October 3

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