Frost Dates for TURKU TURUN LENTOASEMA, Finland

Elevation: 45 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 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. October 13
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 10
First Fall Frost October 7

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze October 25
60.52°N, 22.28°W © OpenStreetMap

Growing Season

161 Days May 5 to October 13

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.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-10° 0° 10° 20°
-4°
High: -2°C
Avg: -4°C
Low: -6°C
Jan
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Feb
-2°
High: 2°C
Avg: -2°C
Low: -5°C
Mar
4°
High: 8°C
Avg: 4°C
Low: 0°C
Apr
10°
High: 14°C
Avg: 10°C
Low: 5°C
May
15°
High: 18°C
Avg: 15°C
Low: 10°C
Jun
18°
High: 21°C
Avg: 18°C
Low: 13°C
Jul
16°
High: 20°C
Avg: 16°C
Low: 13°C
Aug
12°
High: 15°C
Avg: 12°C
Low: 8°C
Sep
6°
High: 8°C
Avg: 6°C
Low: 3°C
Oct
2°
High: 3°C
Avg: 2°C
Low: 0°C
Nov
-2°
High: 0°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 30 mm 60 mm 90 mm
58 mm
58.4 mm
Jan
33 mm
33.0 mm
Feb
33 mm
33.0 mm
Mar
23 mm
22.9 mm
Apr
43 mm
43.2 mm
May
71 mm
71.1 mm
Jun
86 mm
86.4 mm
Jul
81 mm
81.3 mm
Aug
69 mm
68.6 mm
Sep
74 mm
73.7 mm
Oct
66 mm
66.0 mm
Nov
64 mm
63.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h18.5h18h15.5h12.5h9.5h7h5.5h
Jan: 8:54 AM – 3:06 PM · 6h 12m
Feb: 7:39 AM – 4:21 PM · 8h 42m
Mar: 6:20 AM – 5:40 PM · 11h 20m
Apr: 4:52 AM – 7:08 PM · 14h 16m
May: 3:32 AM – 8:28 PM · 16h 56m
Jun: 2:41 AM – 9:19 PM · 18h 37m
Jul: 3:03 AM – 8:57 PM · 17h 54m
Aug: 4:17 AM – 7:43 PM · 15h 26m
Sep: 5:44 AM – 6:16 PM · 12h 31m
Oct: 7:10 AM – 4:50 PM · 9h 41m
Nov: 8:32 AM – 3:28 PM · 6h 57m
Dec: 9:19 AM – 2:41 PM · 5h 22m
Daylight Longest: 18h 41m · Shortest: 5h 19m

Nearby Stations

TURKU ARTUKAINEN, Finland May 1 - October 17 KAARINA YLTOINEN, Finland May 1 - October 15 KEMIONSAARI KEMIO KK, Finland April 26 - October 21 SALO KARKKA, Finland April 30 - October 15 PARAINEN FAGERHOLM, Finland April 22 - November 7 KUSTAVI ISOKARI, Finland April 10 - November 16

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