Frost Dates for ROVANIEMI APUKKA, Finland

Elevation: 106 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 18
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. September 30
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 22
First Fall Frost September 24

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze October 14
66.58°N, 26.02°W © OpenStreetMap

Growing Season

135 Days May 18 to September 30

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 5a

Avg. annual minimum: −29 to −26°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°
-10°
High: -8°C
Avg: -10°C
Low: -13°C
Jan
-10°
High: -8°C
Avg: -10°C
Low: -13°C
Feb
-5°
High: -3°C
Avg: -5°C
Low: -8°C
Mar
0°
High: 3°C
Avg: 0°C
Low: -4°C
Apr
6°
High: 10°C
Avg: 6°C
Low: 2°C
May
13°
High: 16°C
Avg: 13°C
Low: 8°C
Jun
16°
High: 19°C
Avg: 16°C
Low: 12°C
Jul
13°
High: 17°C
Avg: 13°C
Low: 10°C
Aug
8°
High: 11°C
Avg: 8°C
Low: 5°C
Sep
1°
High: 3°C
Avg: 1°C
Low: -1°C
Oct
-4°
High: -2°C
Avg: -4°C
Low: -6°C
Nov
-8°
High: -5°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 30 mm 60 mm 90 mm
15 mm
15.2 mm
Jan
18 mm
17.8 mm
Feb
25 mm
25.4 mm
Mar
23 mm
22.9 mm
Apr
58 mm
58.4 mm
May
76 mm
76.2 mm
Jun
81 mm
81.3 mm
Jul
71 mm
71.1 mm
Aug
66 mm
66.0 mm
Sep
61 mm
61.0 mm
Oct
51 mm
50.8 mm
Nov
43 mm
43.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec3.5h7.5h11h15h19h23h20.5h16.5h12.5h9h5h0.5h
Jan: 10:16 AM – 1:44 PM · 3h 28m
Feb: 8:12 AM – 3:48 PM · 7h 36m
Mar: 6:26 AM – 5:34 PM · 11h 08m
Apr: 4:30 AM – 7:30 PM · 15h 00m
May: 2:33 AM – 9:27 PM · 18h 54m
Jun: 12:23 AM – 11:37 PM · 23h 14m
Jul: 1:38 AM – 10:22 PM · 20h 44m
Aug: 3:42 AM – 8:18 PM · 16h 36m
Sep: 5:39 AM – 6:21 PM · 12h 41m
Oct: 7:32 AM – 4:28 PM · 8h 56m
Nov: 9:33 AM – 2:27 PM · 4h 54m
Dec: 11:39 AM – 12:21 PM · 0h 42m
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

ROVANIEMI RAUTATIEASEMA, Finland May 18 - September 30 KEMIJARVI LENTOKENTTA, Finland May 20 - September 27 RANUA LENTOKENTTA, Finland May 18 - September 28 PELKOSENNIEMI PYHATUNTURI, Finland June 1 - September 13 SODANKYLA AWS, Finland May 22 - September 24 PUDASJARVI LENTOKENTTA, Finland May 16 - September 28

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