Frost Dates for OULU VIHREASAARI, 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 10
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 12
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 15
First Fall Frost October 7

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 29
First Fall Hard Freeze October 23
65.01°N, 25.40°W © OpenStreetMap

Growing Season

155 Days May 10 to October 12

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

Learn more

Temperature

10° 30° 50° 70°
18°
High: 22°
Avg: 18°
Low: 14°
Jan
17°
High: 21°
Avg: 17°
Low: 13°
Feb
24°
High: 29°
Avg: 24°
Low: 19°
Mar
33°
High: 39°
Avg: 33°
Low: 27°
Apr
45°
High: 51°
Avg: 45°
Low: 38°
May
55°
High: 60°
Avg: 55°
Low: 49°
Jun
62°
High: 67°
Avg: 62°
Low: 56°
Jul
59°
High: 64°
Avg: 59°
Low: 54°
Aug
50°
High: 54°
Avg: 50°
Low: 46°
Sep
38°
High: 41°
Avg: 38°
Low: 35°
Oct
30°
High: 33°
Avg: 30°
Low: 27°
Nov
24°
High: 27°
Avg: 24°
Low: 20°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.1"
1.2"
1.20"
Jan
0.6"
0.60"
Feb
0.8"
0.80"
Mar
0.7"
0.70"
Apr
2.2"
2.20"
May
2.4"
2.40"
Jun
3.1"
3.10"
Jul
3.1"
3.10"
Aug
2.3"
2.30"
Sep
2.2"
2.20"
Oct
2.2"
2.20"
Nov
2.0"
2.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h8h11h15h18h21h20h16h13h9h6h3h
Jan: 9:46 AM – 2:14 PM · 4h 27m
Feb: 8:02 AM – 3:58 PM · 7h 56m
Mar: 6:24 AM – 5:36 PM · 11h 11m
Apr: 4:37 AM – 7:23 PM · 14h 47m
May: 2:52 AM – 9:08 PM · 18h 15m
Jun: 1:30 AM – 10:30 PM · 21h 01m
Jul: 2:09 AM – 9:51 PM · 19h 42m
Aug: 3:53 AM – 8:07 PM · 16h 14m
Sep: 5:41 AM – 6:19 PM · 12h 38m
Oct: 7:25 AM – 4:35 PM · 9h 10m
Nov: 9:13 AM – 2:47 PM · 5h 35m
Dec: 10:31 AM – 1:29 PM · 2h 58m
Daylight Longest: 21h 08m · Shortest: 2h 52m

Nearby Stations

OULUNSALO PELLONPAA, Finland May 10 - October 9 OULUNSALO OULUN LENTOASEMA, Finland May 10 - October 9 SIIKAJOKI REVONLAHTI, Finland May 14 - October 2 RAAHE LAPALUOTO, Finland May 8 - October 18 KEMI I MAJAKKA, Finland May 8 - October 27 VAALA PELSO, Finland May 12 - October 6

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