Frost Dates for QAQORTOQ HELIPORT, Greenland

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. June 1
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. September 16

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 June 7
First Fall Frost September 11

Hard Freeze (−2°C)

Last Spring Hard Freeze May 18
First Fall Hard Freeze September 29
60.72°N, 46.03°W © OpenStreetMap

Growing Season

107 Days June 1 to September 16

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 5b

Avg. annual minimum: −26 to −23°C

Learn more

Köppen Climate

The 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

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
January-6°-9°-12°
February-6°-9°-12°
March-4°-7°-10°
April1°-2°-4°
May4°2°-1°
June9°6°3°
July11°8°5°
August10°8°6°
September8°5°3°
October3°1°-2°
November-2°-5°-8°
December-5°-8°-11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January84
February86
March61
April66
May64
June81
July97
August122
September132
October91
November109
December79

Sunrise / Sunset

Daylight Longest: 18h 45m · Shortest: 5h 15m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:56 AM3:04 PM6h 08m
February7:40 AM4:20 PM8h 41m
March6:20 AM5:40 PM11h 20m
April4:51 AM7:09 PM14h 18m
May3:31 AM8:29 PM16h 59m
June2:39 AM9:21 PM18h 42m
July3:01 AM8:59 PM17h 57m
August4:16 AM7:44 PM15h 28m
September5:44 AM6:16 PM12h 32m
October7:10 AM4:50 PM9h 40m
November8:33 AM3:27 PM6h 54m
December9:21 AM2:39 PM5h 18m

Nearby Stations

QAQORTOQ, Greenland June 2 - September 14 NARSAQ HELIPORT, Greenland May 29 - September 15 SIMIUTAK, Greenland June 1 - September 14 MITT. NARSARSUAQ, Greenland May 29 - September 13 NARSARSSUAK, Greenland May 29 - September 13 NANORTALIK HELIPORT, Greenland June 2 - September 23

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