Frost Dates for NUUK, 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 6
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 8
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 11
First Fall Frost
September 4
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 30
First Fall Hard Freeze
September 25
Growing Season
94 Days
June 6 to September 8
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 4b
Avg. annual minimum: −32 to −29°C
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.
Temperature
-20°
-10°
0°
10°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -11° | -14° | -17° |
| February | -11° | -14° | -17° |
| March | -9° | -12° | -15° |
| April | -2° | -5° | -8° |
| May | 3° | 0° | -2° |
| June | 9° | 6° | 3° |
| July | 12° | 9° | 6° |
| August | 11° | 8° | 6° |
| September | 7° | 4° | 2° |
| October | 0° | -3° | -5° |
| November | -6° | -9° | -12° |
| December | -9° | -12° | -15° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 64 |
| February | 56 |
| March | 56 |
| April | 64 |
| May | 66 |
| June | 71 |
| July | 61 |
| August | 81 |
| September | 97 |
| October | 81 |
| November | 81 |
| December | 74 |
Sunrise / Sunset
Daylight
Longest: 20h 29m · Shortest: 3h 31m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:34 AM | 2:26 PM | 4h 52m |
| February | 7:57 AM | 4:03 PM | 8h 06m |
| March | 6:23 AM | 5:37 PM | 11h 13m |
| April | 4:40 AM | 7:20 PM | 14h 40m |
| May | 3:01 AM | 8:59 PM | 17h 57m |
| June | 1:48 AM | 10:12 PM | 20h 23m |
| July | 2:22 AM | 9:38 PM | 19h 16m |
| August | 3:58 AM | 8:02 PM | 16h 04m |
| September | 5:42 AM | 6:18 PM | 12h 37m |
| October | 7:22 AM | 4:38 PM | 9h 16m |
| November | 9:03 AM | 2:57 PM | 5h 53m |
| December | 10:12 AM | 1:48 PM | 3h 36m |
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