Frost Dates for LAPPEENRANTA KONNUNSUO, Finland

Elevation: 44 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. April 30
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 18
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 4
First Fall Frost October 13

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze November 3
61.04°N, 28.57°W © OpenStreetMap

Growing Season

171 Days April 30 to October 18

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°
-6°
High: -4°C
Avg: -6°C
Low: -8°C
Jan
-7°
High: -4°C
Avg: -7°C
Low: -9°C
Feb
-3°
High: 0°C
Avg: -3°C
Low: -6°C
Mar
3°
High: 7°C
Avg: 3°C
Low: -1°C
Apr
10°
High: 14°C
Avg: 10°C
Low: 5°C
May
15°
High: 19°C
Avg: 15°C
Low: 11°C
Jun
18°
High: 22°C
Avg: 18°C
Low: 14°C
Jul
16°
High: 20°C
Avg: 16°C
Low: 13°C
Aug
11°
High: 14°C
Avg: 11°C
Low: 9°C
Sep
5°
High: 7°C
Avg: 5°C
Low: 3°C
Oct
0°
High: 2°C
Avg: 0°C
Low: -2°C
Nov
-4°
High: -2°C
Avg: -4°C
Low: -6°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 80 mm
51 mm
50.8 mm
Jan
38 mm
38.1 mm
Feb
28 mm
27.9 mm
Mar
25 mm
25.4 mm
Apr
53 mm
53.3 mm
May
71 mm
71.1 mm
Jun
76 mm
76.2 mm
Jul
76 mm
76.2 mm
Aug
66 mm
66.0 mm
Sep
74 mm
73.7 mm
Oct
66 mm
66.0 mm
Nov
66 mm
66.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h19h18h15.5h12.5h9.5h7h5h
Jan: 8:59 AM – 3:01 PM · 6h 02m
Feb: 7:41 AM – 4:19 PM · 8h 38m
Mar: 6:20 AM – 5:40 PM · 11h 19m
Apr: 4:50 AM – 7:10 PM · 14h 19m
May: 3:28 AM – 8:32 PM · 17h 04m
Jun: 2:35 AM – 9:25 PM · 18h 49m
Jul: 2:58 AM – 9:02 PM · 18h 03m
Aug: 4:15 AM – 7:45 PM · 15h 31m
Sep: 5:44 AM – 6:16 PM · 12h 32m
Oct: 7:11 AM – 4:49 PM · 9h 38m
Nov: 8:35 AM – 3:25 PM · 6h 49m
Dec: 9:25 AM – 2:35 PM · 5h 10m
Daylight Longest: 18h 53m · Shortest: 5h 07m

Nearby Stations

LAPPEENRANTA HIEKKAPAKKA, Finland May 3 - October 23 LAPPEENRANTA LEPOLA, Finland May 3 - October 18 LAPPEENRANTA LENTOASEMA, Finland May 1 - October 18 VYBORG, RussiaMay 1 - October 18 PUUMALA KIRKONKYLA, Finland May 1 - October 22 PARIKKALA KOITSANLAHTI, Finland May 4 - October 15

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