Frost Dates for KALAJOKI ULKOKALLA, Finland

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 19
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 13
First Fall Frost October 12

Hard Freeze (−2°C)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 31
64.33°N, 23.45°W © OpenStreetMap

Growing Season

165 Days May 7 to October 19

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 6a

Avg. annual minimum: −23 to −21°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

-10° 0° 10° 20°
-5°
High: -3°C
Avg: -5°C
Low: -7°C
Jan
-7°
High: -4°C
Avg: -7°C
Low: -9°C
Feb
-4°
High: -1°C
Avg: -4°C
Low: -7°C
Mar
1°
High: 4°C
Avg: 1°C
Low: -2°C
Apr
7°
High: 9°C
Avg: 7°C
Low: 3°C
May
11°
High: 14°C
Avg: 11°C
Low: 8°C
Jun
16°
High: 18°C
Avg: 16°C
Low: 13°C
Jul
15°
High: 18°C
Avg: 15°C
Low: 12°C
Aug
11°
High: 13°C
Avg: 11°C
Low: 8°C
Sep
5°
High: 7°C
Avg: 5°C
Low: 3°C
Oct
1°
High: 2°C
Avg: 1°C
Low: -1°C
Nov
-2°
High: -1°C
Avg: -2°C
Low: -4°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
18 mm
17.8 mm
Jan
13 mm
12.7 mm
Feb
8 mm
7.6 mm
Mar
20 mm
20.3 mm
Apr
46 mm
45.7 mm
May
51 mm
50.8 mm
Jun
64 mm
63.5 mm
Jul
66 mm
66.0 mm
Aug
69 mm
68.6 mm
Sep
64 mm
63.5 mm
Oct
56 mm
55.9 mm
Nov
53 mm
53.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h14.5h18h20.5h19.5h16h12.5h9.5h6h3.5h
Jan: 9:36 AM – 2:24 PM · 4h 47m
Feb: 7:58 AM – 4:02 PM · 8h 05m
Mar: 6:24 AM – 5:36 PM · 11h 13m
Apr: 4:39 AM – 7:21 PM · 14h 41m
May: 2:60 AM – 9:00 PM · 18h 01m
Jun: 1:45 AM – 10:15 PM · 20h 30m
Jul: 2:20 AM – 9:40 PM · 19h 21m
Aug: 3:57 AM – 8:03 PM · 16h 06m
Sep: 5:42 AM – 6:18 PM · 12h 37m
Oct: 7:22 AM – 4:38 PM · 9h 15m
Nov: 9:05 AM – 2:55 PM · 5h 50m
Dec: 10:15 AM – 1:45 PM · 3h 29m
Daylight Longest: 20h 36m · Shortest: 3h 24m

Nearby Stations

RAAHE NAHKIAINEN, Finland May 5 - October 23 KOKKOLA HOLLIHAKA, Finland May 6 - October 18 RAAHE LAPALUOTO, Finland May 8 - October 18 TOHOLAMPI LAITALA, Finland May 12 - October 8 YLIVIESKA LENTOKENTTA, Finland May 13 - October 6 KRUUNUPYY LENTOASEMA, Finland May 7 - October 16

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