Frost Dates for INARI SEITALAASSA, 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 27
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 31
First Fall Frost October 6

Hard Freeze (−2°C)

Last Spring Hard Freeze May 12
First Fall Hard Freeze October 21
69.05°N, 27.76°W © OpenStreetMap

Growing Season

138 Days May 27 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.

Temperature

-15° -5° 15°
-10°
High: -8°C
Avg: -10°C
Low: -12°C
Jan
-10°
High: -9°C
Avg: -10°C
Low: -12°C
Feb
-7°
High: -5°C
Avg: -7°C
Low: -9°C
Mar
-2°
High: 1°C
Avg: -2°C
Low: -4°C
Apr
High: 5°C
Avg: 3°C
Low: 0°C
May
High: 11°C
Avg: 8°C
Low: 5°C
Jun
13°
High: 16°C
Avg: 13°C
Low: 11°C
Jul
12°
High: 14°C
Avg: 12°C
Low: 10°C
Aug
High: 9°C
Avg: 8°C
Low: 6°C
Sep
High: 3°C
Avg: 2°C
Low: 0°C
Oct
-4°
High: -2°C
Avg: -4°C
Low: -6°C
Nov
-8°
High: -6°C
Avg: -8°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 20 mm 40 mm 60 mm 80 mm
10 mm
10.2 mm
Jan
3 mm
2.5 mm
Feb
5 mm
5.1 mm
Mar
8 mm
7.6 mm
Apr
48 mm
48.3 mm
May
76 mm
76.2 mm
Jun
71 mm
71.1 mm
Jul
66 mm
66.0 mm
Aug
61 mm
61.0 mm
Sep
51 mm
50.8 mm
Oct
15 mm
15.2 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h7h11h15.5h20.5h24h24h17.5h13h8.5h3.5h0h
Jan: 0h (Polar Night)
Feb: 8:32 AM – 3:28 PM · 6h 55m
Mar: 6:30 AM – 5:30 PM · 11h 01m
Apr: 4:17 AM – 7:43 PM · 15h 25m
May: 1:49 AM – 10:11 PM · 20h 22m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 3:21 AM – 8:39 PM · 17h 19m
Sep: 5:37 AM – 6:23 PM · 12h 46m
Oct: 7:45 AM – 4:15 PM · 8h 30m
Nov: 10:20 AM – 1:40 PM · 3h 19m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

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