Frost Dates for HAMRA, Sweden

Elevation: 447 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 14
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 4
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 18
First Fall Frost September 29

Hard Freeze (−2°C)

Last Spring Hard Freeze May 1
First Fall Hard Freeze October 16
61.66°N, 14.99°W © OpenStreetMap

Growing Season

143 Days May 14 to October 4

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 6a

Avg. annual minimum: −23 to −21°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

-10° 0° 10° 20°
-6°
High: -4°C
Avg: -6°C
Low: -9°C
Jan
-6°
High: -3°C
Avg: -6°C
Low: -9°C
Feb
-3°
High: 1°C
Avg: -3°C
Low: -6°C
Mar
2°
High: 6°C
Avg: 2°C
Low: -2°C
Apr
8°
High: 12°C
Avg: 8°C
Low: 3°C
May
12°
High: 16°C
Avg: 12°C
Low: 8°C
Jun
15°
High: 19°C
Avg: 15°C
Low: 11°C
Jul
13°
High: 17°C
Avg: 13°C
Low: 10°C
Aug
9°
High: 12°C
Avg: 9°C
Low: 6°C
Sep
3°
High: 5°C
Avg: 3°C
Low: 1°C
Oct
-2°
High: 0°C
Avg: -2°C
Low: -4°C
Nov
-5°
High: -3°C
Avg: -5°C
Low: -7°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
33 mm
33.0 mm
Jan
13 mm
12.7 mm
Feb
23 mm
22.9 mm
Mar
33 mm
33.0 mm
Apr
74 mm
73.7 mm
May
86 mm
86.4 mm
Jun
91 mm
91.4 mm
Jul
89 mm
88.9 mm
Aug
66 mm
66.0 mm
Sep
71 mm
71.1 mm
Oct
66 mm
66.0 mm
Nov
56 mm
55.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h19h18.5h15.5h12.5h9.5h6.5h5h
Jan: 9:05 AM – 2:55 PM · 5h 50m
Feb: 7:44 AM – 4:16 PM · 8h 32m
Mar: 6:21 AM – 5:39 PM · 11h 18m
Apr: 4:48 AM – 7:12 PM · 14h 23m
May: 3:24 AM – 8:36 PM · 17h 13m
Jun: 2:28 AM – 9:32 PM · 19h 04m
Jul: 2:52 AM – 9:08 PM · 18h 16m
Aug: 4:12 AM – 7:48 PM · 15h 36m
Sep: 5:44 AM – 6:16 PM · 12h 33m
Oct: 7:13 AM – 4:47 PM · 9h 34m
Nov: 8:40 AM – 3:20 PM · 6h 39m
Dec: 9:32 AM – 2:28 PM · 4h 55m
Daylight Longest: 19h 08m · Shortest: 4h 52m

Nearby Stations

ULVSJO, Sweden May 20 - September 30 EDSBYN_A, Sweden May 4 - October 12 LILLHARDAL, Sweden May 17 - October 4 SVEG_A, SwedenMay 18 - October 2 YTTERHOGDAL, Sweden May 10 - October 8 SVEG, SwedenMay 17 - October 2

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