Frost Dates for KEMINMAA KEMI-TORNION LENTOASE, Finland

Elevation: 11 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 13
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 7
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 October 2

Hard Freeze (−2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 17
65.78°N, 24.58°W © OpenStreetMap

Growing Season

147 Days May 13 to October 7

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: -7°C
Avg: -9°C
Low: -12°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
13°
High: 16°C
Avg: 13°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
9°
High: 12°C
Avg: 9°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
51 mm
50.8 mm
Jan
43 mm
43.2 mm
Feb
38 mm
38.1 mm
Mar
30 mm
30.5 mm
Apr
53 mm
53.3 mm
May
61 mm
61.0 mm
Jun
79 mm
78.7 mm
Jul
76 mm
76.2 mm
Aug
69 mm
68.6 mm
Sep
61 mm
61.0 mm
Oct
69 mm
68.6 mm
Nov
71 mm
71.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h8h11h15h18.5h22h20h16.5h12.5h9h5.5h2h
Jan: 9:60 AM – 2:00 PM · 4h 00m
Feb: 8:07 AM – 3:53 PM · 7h 47m
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 33m
Jun: 1:07 AM – 10:53 PM · 21h 47m
Jul: 1:55 AM – 10:05 PM · 20h 10m
Aug: 3:48 AM – 8:12 PM · 16h 24m
Sep: 5:40 AM – 6:20 PM · 12h 39m
Oct: 7:28 AM – 4:32 PM · 9h 03m
Nov: 9:22 AM – 2:38 PM · 5h 16m
Dec: 10:54 AM – 1:06 PM · 2h 11m
Daylight Longest: 21h 57m · Shortest: 2h 03m

Nearby Stations

KEMI AJOS, Finland May 12 - October 10 HAPARANDA, Sweden May 11 - October 12 HAPARANDA_A, Sweden May 11 - October 12 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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