Frost Dates for JAN-MAYEN, Svalbard

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. October 7
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 9
First Fall Frost October 1

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze October 22
70.93°N, -7.33°W © OpenStreetMap

Growing Season

125 Days June 4 to October 7

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: −12 to −9°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

-5° 0° 5° 10°
-2°
High: 0°C
Avg: -2°C
Low: -3°C
Jan
-2°
High: -1°C
Avg: -2°C
Low: -4°C
Feb
-3°
High: -1°C
Avg: -3°C
Low: -4°C
Mar
-1°
High: 0°C
Avg: -1°C
Low: -3°C
Apr
0°
High: 1°C
Avg: 0°C
Low: 0°C
May
3°
High: 3°C
Avg: 3°C
Low: 2°C
Jun
5°
High: 6°C
Avg: 5°C
Low: 5°C
Jul
6°
High: 7°C
Avg: 6°C
Low: 6°C
Aug
5°
High: 6°C
Avg: 5°C
Low: 4°C
Sep
2°
High: 3°C
Avg: 2°C
Low: 1°C
Oct
0°
High: 1°C
Avg: 0°C
Low: -1°C
Nov
-1°
High: 0°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 20 mm 40 mm 60 mm 80 mm
74 mm
73.7 mm
Jan
71 mm
71.1 mm
Feb
79 mm
78.7 mm
Mar
46 mm
45.7 mm
Apr
25 mm
25.4 mm
May
5 mm
5.1 mm
Jun
20 mm
20.3 mm
Jul
41 mm
40.6 mm
Aug
71 mm
71.1 mm
Sep
76 mm
76.2 mm
Oct
79 mm
78.7 mm
Nov
76 mm
76.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h6.5h11h16h22.5h24h24h18h13h8h0h0h
Jan: 0h (Polar Night)
Feb: 8:52 AM – 3:08 PM · 6h 15m
Mar: 6:33 AM – 5:27 PM · 10h 54m
Apr: 4:05 AM – 7:55 PM · 15h 49m
May: 12:41 AM – 11:19 PM · 22h 39m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 2:59 AM – 9:01 PM · 18h 02m
Sep: 5:34 AM – 6:26 PM · 12h 51m
Oct: 7:57 AM – 4:03 PM · 8h 06m
Nov: 0h (Polar Night)
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

JAN MAYEN, Norway June 4 - September 28

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