Frost Dates for MUONIO SAMMALTUNTURI, Finland

Elevation: 523 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. June 5
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 10
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 June 9
First Fall Frost September 4

Hard Freeze (−2°C)

Last Spring Hard Freeze May 24
First Fall Hard Freeze September 22
67.97°N, 24.12°W © OpenStreetMap

Growing Season

97 Days June 5 to September 10

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 4b

Avg. annual minimum: −32 to −29°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

-20° -10° 10° 20°
-13°
High: -10°C
Avg: -13°C
Low: -15°C
Jan
-13°
High: -10°C
Avg: -13°C
Low: -15°C
Feb
-8°
High: -6°C
Avg: -8°C
Low: -11°C
Mar
-3°
High: 0°C
Avg: -3°C
Low: -7°C
Apr
High: 6°C
Avg: 2°C
Low: -2°C
May
High: 12°C
Avg: 9°C
Low: 5°C
Jun
13°
High: 16°C
Avg: 13°C
Low: 9°C
Jul
10°
High: 13°C
Avg: 10°C
Low: 7°C
Aug
High: 8°C
Avg: 5°C
Low: 2°C
Sep
-2°
High: 0°C
Avg: -2°C
Low: -4°C
Oct
-8°
High: -5°C
Avg: -8°C
Low: -10°C
Nov
-11°
High: -8°C
Avg: -11°C
Low: -13°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
10 mm
10.2 mm
Jan
5 mm
5.1 mm
Feb
10 mm
10.2 mm
Mar
18 mm
17.8 mm
Apr
48 mm
48.3 mm
May
74 mm
73.7 mm
Jun
84 mm
83.8 mm
Jul
79 mm
78.7 mm
Aug
66 mm
66.0 mm
Sep
53 mm
53.3 mm
Oct
38 mm
38.1 mm
Nov
38 mm
38.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec2h7h11h15h19.5h24h22.5h17h12.5h8.5h4h0h
Jan: 10:57 AM – 1:03 PM · 2h 06m
Feb: 8:23 AM – 3:37 PM · 7h 14m
Mar: 6:28 AM – 5:32 PM · 11h 04m
Apr: 4:23 AM – 7:37 PM · 15h 14m
May: 2:11 AM – 9:49 PM · 19h 38m
Jun: 24h (Midnight Sun)
Jul: 12:52 AM – 11:08 PM · 22h 16m
Aug: 3:31 AM – 8:29 PM · 16h 59m
Sep: 5:38 AM – 6:22 PM · 12h 44m
Oct: 7:39 AM – 4:21 PM · 8h 42m
Nov: 9:56 AM – 2:04 PM · 4h 07m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

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