Frost Dates for HALSUA KANALA PUROLA, Finland

Elevation: 159 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 12
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 18
First Fall Frost September 29

Hard Freeze (−2°C)

Last Spring Hard Freeze April 28
First Fall Hard Freeze October 14
63.45°N, 24.45°W © OpenStreetMap

Growing Season

146 Days May 12 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 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°
-7°
High: -5°C
Avg: -7°C
Low: -10°C
Jan
-7°
High: -5°C
Avg: -7°C
Low: -10°C
Feb
-4°
High: 0°C
Avg: -4°C
Low: -7°C
Mar
2°
High: 6°C
Avg: 2°C
Low: -2°C
Apr
9°
High: 13°C
Avg: 9°C
Low: 4°C
May
14°
High: 17°C
Avg: 14°C
Low: 9°C
Jun
17°
High: 20°C
Avg: 17°C
Low: 13°C
Jul
15°
High: 18°C
Avg: 15°C
Low: 11°C
Aug
9°
High: 12°C
Avg: 9°C
Low: 6°C
Sep
3°
High: 5°C
Avg: 3°C
Low: 1°C
Oct
-1°
High: 0°C
Avg: -1°C
Low: -3°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
23 mm
22.9 mm
Jan
15 mm
15.2 mm
Feb
18 mm
17.8 mm
Mar
33 mm
33.0 mm
Apr
64 mm
63.5 mm
May
79 mm
78.7 mm
Jun
81 mm
81.3 mm
Jul
81 mm
81.3 mm
Aug
69 mm
68.6 mm
Sep
66 mm
66.0 mm
Oct
61 mm
61.0 mm
Nov
51 mm
50.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h14.5h17.5h20h19h16h12.5h9.5h6h4h
Jan: 9:25 AM – 2:35 PM · 5h 11m
Feb: 7:53 AM – 4:07 PM · 8h 14m
Mar: 6:23 AM – 5:37 PM · 11h 15m
Apr: 4:42 AM – 7:18 PM · 14h 35m
May: 3:08 AM – 8:52 PM · 17h 43m
Jun: 2:02 AM – 9:58 PM · 19h 57m
Jul: 2:32 AM – 9:28 PM · 18h 57m
Aug: 4:02 AM – 7:58 PM · 15h 55m
Sep: 5:42 AM – 6:18 PM · 12h 36m
Oct: 7:19 AM – 4:41 PM · 9h 22m
Nov: 8:56 AM – 3:04 PM · 6h 08m
Dec: 9:59 AM – 2:01 PM · 4h 03m
Daylight Longest: 20h 02m · Shortest: 3h 58m

Nearby Stations

ALAJARVI MOKSY, Finland May 11 - October 7 TOHOLAMPI LAITALA, Finland May 12 - October 8 YLIVIESKA LENTOKENTTA, Finland May 13 - October 6 PYHAJARVI OJAKYLA, Finland May 10 - October 8 KRUUNUPYY LENTOASEMA, Finland May 7 - October 16 KAUHAVA LENTOKENTTA, Finland May 6 - October 11

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