Frost Dates for ALVSBYN_A, Sweden

Elevation: 54 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. May 13
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 5
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 May 16
First Fall Frost September 30

Hard Freeze (−2°C)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 17
65.67°N, 21.07°W © OpenStreetMap

Growing Season

145 Days May 13 to October 5

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 5a

Avg. annual minimum: −29 to −26°C

Learn more

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

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-15° -5° 5° 15°
-9°
High: -6°C
Avg: -9°C
Low: -12°C
Jan
-9°
High: -6°C
Avg: -9°C
Low: -12°C
Feb
-4°
High: -1°C
Avg: -4°C
Low: -7°C
Mar
1°
High: 5°C
Avg: 1°C
Low: -3°C
Apr
8°
High: 12°C
Avg: 8°C
Low: 3°C
May
14°
High: 17°C
Avg: 14°C
Low: 9°C
Jun
16°
High: 20°C
Avg: 16°C
Low: 12°C
Jul
15°
High: 18°C
Avg: 15°C
Low: 11°C
Aug
9°
High: 13°C
Avg: 9°C
Low: 6°C
Sep
2°
High: 5°C
Avg: 2°C
Low: 0°C
Oct
-3°
High: -1°C
Avg: -3°C
Low: -6°C
Nov
-7°
High: -4°C
Avg: -7°C
Low: -10°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 30 mm 60 mm 90 mm
38 mm
38.1 mm
Jan
20 mm
20.3 mm
Feb
30 mm
30.5 mm
Mar
20 mm
20.3 mm
Apr
51 mm
50.8 mm
May
74 mm
73.7 mm
Jun
86 mm
86.4 mm
Jul
81 mm
81.3 mm
Aug
71 mm
71.1 mm
Sep
51 mm
50.8 mm
Oct
48 mm
48.3 mm
Nov
51 mm
50.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h8h11h15h18.5h21.5h20h16.5h12.5h9h5.5h2.5h
Jan: 9:58 AM – 2:02 PM · 4h 05m
Feb: 8:06 AM – 3:54 PM · 7h 48m
Mar: 6:25 AM – 5:35 PM · 11h 10m
Apr: 4:34 AM – 7:26 PM · 14h 52m
May: 2:45 AM – 9:15 PM · 18h 31m
Jun: 1:10 AM – 10:50 PM · 21h 39m
Jul: 1:57 AM – 10:03 PM · 20h 06m
Aug: 3:49 AM – 8:11 PM · 16h 23m
Sep: 5:40 AM – 6:20 PM · 12h 39m
Oct: 7:28 AM – 4:32 PM · 9h 04m
Nov: 9:21 AM – 2:39 PM · 5h 19m
Dec: 10:50 AM – 1:10 PM · 2h 19m
Daylight Longest: 21h 49m · Shortest: 2h 12m

Nearby Stations

BODEN, SwedenMay 12 - October 7 SAVAST_V, Sweden May 12 - October 7 PITEA, SwedenMay 8 - October 13 LULEA-BERGNASET, Sweden May 10 - October 13 VIDSEL, Sweden May 18 - September 29 LULEA FLYGPLATS, Sweden May 9 - October 13

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