Frost Dates for OVERKALIX-SVARTBYN_A, Sweden

Elevation: 73 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 16
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 2
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 20
First Fall Frost September 27

Hard Freeze (−2°C)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 16
66.26°N, 22.85°W © OpenStreetMap

Growing Season

139 Days May 16 to October 2

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°
-10°
High: -7°C
Avg: -10°C
Low: -12°C
Jan
-10°
High: -7°C
Avg: -10°C
Low: -12°C
Feb
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Mar
0°
High: 4°C
Avg: 0°C
Low: -3°C
Apr
7°
High: 11°C
Avg: 7°C
Low: 2°C
May
13°
High: 17°C
Avg: 13°C
Low: 9°C
Jun
16°
High: 20°C
Avg: 16°C
Low: 12°C
Jul
14°
High: 17°C
Avg: 14°C
Low: 11°C
Aug
9°
High: 12°C
Avg: 9°C
Low: 6°C
Sep
2°
High: 4°C
Avg: 2°C
Low: 0°C
Oct
-4°
High: -2°C
Avg: -4°C
Low: -6°C
Nov
-7°
High: -5°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
46 mm
45.7 mm
Jan
33 mm
33.0 mm
Feb
23 mm
22.9 mm
Mar
23 mm
22.9 mm
Apr
53 mm
53.3 mm
May
66 mm
66.0 mm
Jun
84 mm
83.8 mm
Jul
79 mm
78.7 mm
Aug
71 mm
71.1 mm
Sep
43 mm
43.2 mm
Oct
56 mm
55.9 mm
Nov
58 mm
58.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec3.5h7.5h11h15h19h22.5h20.5h16.5h12.5h9h5h1.5h
Jan: 10:09 AM – 1:51 PM · 3h 42m
Feb: 8:10 AM – 3:50 PM · 7h 40m
Mar: 6:26 AM – 5:34 PM · 11h 09m
Apr: 4:31 AM – 7:29 PM · 14h 57m
May: 2:37 AM – 9:23 PM · 18h 45m
Jun: 12:46 AM – 11:14 PM · 22h 28m
Jul: 1:45 AM – 10:15 PM · 20h 30m
Aug: 3:44 AM – 8:16 PM · 16h 31m
Sep: 5:40 AM – 6:20 PM · 12h 40m
Oct: 7:30 AM – 4:30 PM · 8h 59m
Nov: 9:29 AM – 2:31 PM · 5h 03m
Dec: 11:15 AM – 12:45 PM · 1h 30m
Daylight Longest: 22h 44m · Shortest: 1h 17m

Nearby Stations

OVERTORNEA, Sweden May 15 - October 3 YLINENJARVI_A, Sweden May 18 - September 27 MARKUSVINSA, Sweden May 19 - September 28 PAHAROVA, Sweden May 20 - September 26 BODEN, SwedenMay 12 - October 7 SAVAST_V, Sweden May 12 - October 7

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