Frost Dates for ISFJORD RADIO, Norway

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 8
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. August 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 June 11
First Fall Frost August 24

Hard Freeze (−2°C)

Last Spring Hard Freeze May 27
First Fall Hard Freeze September 9
78.07°N, 13.63°W © OpenStreetMap

Growing Season

82 Days June 8 to August 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 4b

Avg. annual minimum: −32 to −29°C

Learn more

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

ET Tundra

No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.

Köppen climate map

Temperature

-20° -10° 0° 10°
-13°
High: -11°C
Avg: -13°C
Low: -16°C
Jan
-14°
High: -11°C
Avg: -14°C
Low: -16°C
Feb
-13°
High: -11°C
Avg: -13°C
Low: -16°C
Mar
-9°
High: -7°C
Avg: -9°C
Low: -12°C
Apr
-3°
High: -1°C
Avg: -3°C
Low: -4°C
May
3°
High: 4°C
Avg: 3°C
Low: 2°C
Jun
7°
High: 8°C
Avg: 7°C
Low: 5°C
Jul
5°
High: 7°C
Avg: 5°C
Low: 4°C
Aug
1°
High: 3°C
Avg: 1°C
Low: -1°C
Sep
-6°
High: -4°C
Avg: -6°C
Low: -9°C
Oct
-9°
High: -7°C
Avg: -9°C
Low: -12°C
Nov
-12°
High: -9°C
Avg: -12°C
Low: -15°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
58 mm
58.4 mm
Jan
41 mm
40.6 mm
Feb
43 mm
43.2 mm
Mar
10 mm
10.2 mm
Apr
13 mm
12.7 mm
May
3 mm
2.5 mm
Jun
25 mm
25.4 mm
Jul
46 mm
45.7 mm
Aug
64 mm
63.5 mm
Sep
46 mm
45.7 mm
Oct
56 mm
55.9 mm
Nov
51 mm
50.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h0h10h19h24h24h24h24h13.5h5h0h0h
Jan: 0h (Polar Night)
Feb: 0h (Polar Night)
Mar: 6:54 AM – 5:06 PM · 10h 12m
Apr: 2:33 AM – 9:27 PM · 18h 53m
May: 24h (Midnight Sun)
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 24h (Midnight Sun)
Sep: 5:18 AM – 6:42 PM · 13h 24m
Oct: 9:33 AM – 2:27 PM · 4h 55m
Nov: 0h (Polar Night)
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

BARENCBURG, Svalbard June 12 - August 26

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