Frost Dates for HAPARANDA_A, Sweden

Elevation: 7 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 11
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 12
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 15
First Fall Frost October 8

Hard Freeze (−2°C)

Last Spring Hard Freeze May 1
First Fall Hard Freeze October 22
65.82°N, 24.12°W © OpenStreetMap

Growing Season

154 Days May 11 to October 12

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 5b

Avg. annual minimum: −26 to −23°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°
-8°
High: -6°C
Avg: -8°C
Low: -11°C
Jan
-9°
High: -6°C
Avg: -9°C
Low: -11°C
Feb
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Mar
0°
High: 3°C
Avg: 0°C
Low: -3°C
Apr
7°
High: 10°C
Avg: 7°C
Low: 3°C
May
12°
High: 15°C
Avg: 12°C
Low: 9°C
Jun
16°
High: 19°C
Avg: 16°C
Low: 13°C
Jul
15°
High: 17°C
Avg: 15°C
Low: 12°C
Aug
10°
High: 12°C
Avg: 10°C
Low: 7°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: -8°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
53 mm
53.3 mm
Jan
43 mm
43.2 mm
Feb
36 mm
35.6 mm
Mar
28 mm
27.9 mm
Apr
58 mm
58.4 mm
May
74 mm
73.7 mm
Jun
76 mm
76.2 mm
Jul
71 mm
71.1 mm
Aug
66 mm
66.0 mm
Sep
53 mm
53.3 mm
Oct
66 mm
66.0 mm
Nov
66 mm
66.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h8h11h15h18.5h22h20h16.5h12.5h9h5h2h
Jan: 10:00 AM – 1:60 PM · 3h 59m
Feb: 8:07 AM – 3:53 PM · 7h 46m
Mar: 6:25 AM – 5:35 PM · 11h 10m
Apr: 4:33 AM – 7:27 PM · 14h 53m
May: 2:43 AM – 9:17 PM · 18h 34m
Jun: 1:05 AM – 10:55 PM · 21h 50m
Jul: 1:54 AM – 10:06 PM · 20h 11m
Aug: 3:48 AM – 8:12 PM · 16h 25m
Sep: 5:40 AM – 6:20 PM · 12h 40m
Oct: 7:29 AM – 4:31 PM · 9h 03m
Nov: 9:23 AM – 2:37 PM · 5h 15m
Dec: 10:56 AM – 1:04 PM · 2h 09m
Daylight Longest: 22h 00m · Shortest: 2h 00m

Nearby Stations

HAPARANDA, Sweden May 11 - October 12 KEMINMAA KEMI-TORNION LENTOASE, Finland May 13 - October 7 KEMI AJOS, Finland May 12 - October 10 KEMI I MAJAKKA, Finland May 8 - October 27 OVERTORNEA, Sweden May 15 - October 3 YLITORNIO MELTOSJARVI, Finland May 18 - October 1

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