Frost Dates for VESANTO SONKARI, Finland

Elevation: 118 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 7
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 16
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 12
First Fall Frost October 11

Hard Freeze (−2°C)

Last Spring Hard Freeze April 26
First Fall Hard Freeze October 30
62.92°N, 26.43°W © OpenStreetMap

Growing Season

162 Days May 7 to October 16

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

-10° 0° 10° 20°
-7°
High: -5°C
Avg: -7°C
Low: -9°C
Jan
-8°
High: -5°C
Avg: -8°C
Low: -10°C
Feb
-4°
High: -1°C
Avg: -4°C
Low: -6°C
Mar
2°
High: 5°C
Avg: 2°C
Low: -2°C
Apr
9°
High: 13°C
Avg: 9°C
Low: 4°C
May
14°
High: 18°C
Avg: 14°C
Low: 10°C
Jun
17°
High: 20°C
Avg: 17°C
Low: 14°C
Jul
15°
High: 18°C
Avg: 15°C
Low: 13°C
Aug
10°
High: 13°C
Avg: 10°C
Low: 8°C
Sep
4°
High: 6°C
Avg: 4°C
Low: 2°C
Oct
-1°
High: 1°C
Avg: -1°C
Low: -2°C
Nov
-4°
High: -3°C
Avg: -4°C
Low: -6°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
30 mm
30.5 mm
Jan
23 mm
22.9 mm
Feb
18 mm
17.8 mm
Mar
30 mm
30.5 mm
Apr
48 mm
48.3 mm
May
76 mm
76.2 mm
Jun
94 mm
94.0 mm
Jul
79 mm
78.7 mm
Aug
76 mm
76.2 mm
Sep
76 mm
76.2 mm
Oct
61 mm
61.0 mm
Nov
58 mm
58.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5.5h8.5h11.5h14.5h17.5h19.5h18.5h16h12.5h9.5h6.5h4.5h
Jan: 9:18 AM – 2:42 PM · 5h 23m
Feb: 7:50 AM – 4:10 PM · 8h 20m
Mar: 6:22 AM – 5:38 PM · 11h 16m
Apr: 4:44 AM – 7:16 PM · 14h 31m
May: 3:13 AM – 8:47 PM · 17h 34m
Jun: 2:10 AM – 9:50 PM · 19h 40m
Jul: 2:38 AM – 9:22 PM · 18h 44m
Aug: 4:05 AM – 7:55 PM · 15h 49m
Sep: 5:43 AM – 6:17 PM · 12h 35m
Oct: 7:17 AM – 4:43 PM · 9h 25m
Nov: 8:51 AM – 3:09 PM · 6h 18m
Dec: 9:50 AM – 2:10 PM · 4h 20m
Daylight Longest: 19h 44m · Shortest: 4h 16m

Nearby Stations

VIITASAARI HAAPANIEMI, Finland May 8 - October 15 MAANINKA HALOLA, Finland May 7 - October 14 KUOPIO SAVILAHTI, Finland May 6 - October 20 JYVASKYLA LENTOASEMA, Finland May 4 - October 13 SIILINJARVI KUOPION LENTOASEMA, Finland May 7 - October 19 KUOPIO RITONIEMI, Finland May 6 - October 24

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