Frost Dates for MITT. UPERNAVIK, Greenland

Elevation: 85 m

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 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. August 25
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 24
First Fall Frost August 12

Hard Freeze (−2°C)

Last Spring Hard Freeze June 5
First Fall Hard Freeze September 14
72.78°N, -56.13°W © OpenStreetMap

Growing Season

66 Days June 20 to August 25

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 3b

Avg. annual minimum: −37 to −34°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

-30° -20° -10° 0° 10°
-21°
High: -19°C
Avg: -21°C
Low: -24°C
Jan
-24°
High: -22°C
Avg: -24°C
Low: -27°C
Feb
-23°
High: -20°C
Avg: -23°C
Low: -25°C
Mar
-14°
High: -11°C
Avg: -14°C
Low: -16°C
Apr
-4°
High: -3°C
Avg: -4°C
Low: -6°C
May
2°
High: 4°C
Avg: 2°C
Low: 1°C
Jun
6°
High: 8°C
Avg: 6°C
Low: 4°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: -8°C
Oct
-11°
High: -9°C
Avg: -11°C
Low: -13°C
Nov
-15°
High: -13°C
Avg: -15°C
Low: -17°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
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
5 mm
5.1 mm
Mar
3 mm
2.5 mm
Apr
8 mm
7.6 mm
May
15 mm
15.2 mm
Jun
25 mm
25.4 mm
Jul
41 mm
40.6 mm
Aug
38 mm
38.1 mm
Sep
46 mm
45.7 mm
Oct
23 mm
22.9 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h5.5h11h16.5h24h24h24h19h13h7.5h0h0h
Jan: 0h (Polar Night)
Feb: 9:19 AM – 2:41 PM · 5h 23m
Mar: 6:37 AM – 5:23 PM · 10h 47m
Apr: 3:51 AM – 8:09 PM · 16h 19m
May: 24h (Midnight Sun)
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 2:31 AM – 9:29 PM · 18h 59m
Sep: 5:31 AM – 6:29 PM · 12h 57m
Oct: 8:12 AM – 3:48 PM · 7h 35m
Nov: 0h (Polar Night)
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

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