Frost Dates for RANUA LENTOKENTTA, Finland

Elevation: 169 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 28
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 23
First Fall Frost September 22

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze October 8
65.98°N, 26.37°W © OpenStreetMap

Growing Season

133 Days May 18 to September 28

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
-6°
High: -3°C
Avg: -6°C
Low: -9°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: 16°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
-7°
High: -5°C
Avg: -7°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
38 mm
38.1 mm
Jan
25 mm
25.4 mm
Feb
28 mm
27.9 mm
Mar
28 mm
27.9 mm
Apr
64 mm
63.5 mm
May
74 mm
73.7 mm
Jun
84 mm
83.8 mm
Jul
81 mm
81.3 mm
Aug
64 mm
63.5 mm
Sep
64 mm
63.5 mm
Oct
56 mm
55.9 mm
Nov
56 mm
55.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h7.5h11h15h18.5h22h20.5h16.5h12.5h9h5h2h
Jan: 10:03 AM – 1:57 PM · 3h 53m
Feb: 8:08 AM – 3:52 PM · 7h 44m
Mar: 6:25 AM – 5:35 PM · 11h 09m
Apr: 4:33 AM – 7:27 PM · 14h 55m
May: 2:41 AM – 9:19 PM · 18h 38m
Jun: 12:59 AM – 11:01 PM · 22h 02m
Jul: 1:51 AM – 10:09 PM · 20h 18m
Aug: 3:46 AM – 8:14 PM · 16h 27m
Sep: 5:40 AM – 6:20 PM · 12h 40m
Oct: 7:29 AM – 4:31 PM · 9h 02m
Nov: 9:25 AM – 2:35 PM · 5h 11m
Dec: 11:02 AM – 12:58 PM · 1h 57m
Daylight Longest: 22h 14m · Shortest: 1h 47m

Nearby Stations

ROVANIEMI RAUTATIEASEMA, Finland May 18 - September 30 ROVANIEMI APUKKA, Finland May 18 - September 30 PUDASJARVI LENTOKENTTA, Finland May 16 - September 28 KEMIJARVI LENTOKENTTA, Finland May 20 - September 27 OULU VIHREASAARI, Finland May 10 - October 12 OULUNSALO PELLONPAA, Finland May 10 - October 9

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