Frost Dates for KOUVOLA UTTI LENTOPORTINTIE, Finland

Elevation: 103 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 4
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 14
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 8
First Fall Frost October 9

Hard Freeze (−2°C)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 25
60.89°N, 26.94°W © OpenStreetMap

Growing Season

163 Days May 4 to October 14

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
-6°
High: -4°C
Avg: -6°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: 15°C
Avg: 10°C
Low: 5°C
May
15°
High: 19°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: 12°C
Aug
11°
High: 14°C
Avg: 11°C
Low: 8°C
Sep
5°
High: 7°C
Avg: 5°C
Low: 3°C
Oct
0°
High: 2°C
Avg: 0°C
Low: -2°C
Nov
-3°
High: -2°C
Avg: -3°C
Low: -5°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
51 mm
50.8 mm
Jan
36 mm
35.6 mm
Feb
33 mm
33.0 mm
Mar
30 mm
30.5 mm
Apr
56 mm
55.9 mm
May
81 mm
81.3 mm
Jun
84 mm
83.8 mm
Jul
79 mm
78.7 mm
Aug
58 mm
58.4 mm
Sep
74 mm
73.7 mm
Oct
61 mm
61.0 mm
Nov
61 mm
61.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h8.5h11.5h14.5h17h19h18h15.5h12.5h9.5h7h5h
Jan: 8:57 AM – 3:03 PM · 6h 05m
Feb: 7:40 AM – 4:20 PM · 8h 39m
Mar: 6:20 AM – 5:40 PM · 11h 19m
Apr: 4:51 AM – 7:09 PM · 14h 19m
May: 3:29 AM – 8:31 PM · 17h 01m
Jun: 2:37 AM – 9:23 PM · 18h 46m
Jul: 2:60 AM – 9:00 PM · 18h 01m
Aug: 4:15 AM – 7:45 PM · 15h 29m
Sep: 5:44 AM – 6:16 PM · 12h 32m
Oct: 7:11 AM – 4:49 PM · 9h 39m
Nov: 8:34 AM – 3:26 PM · 6h 51m
Dec: 9:23 AM – 2:37 PM · 5h 14m
Daylight Longest: 18h 49m · Shortest: 5h 11m

Nearby Stations

KOUVOLA ANJALA, Finland May 2 - October 15 KOTKA KIRKONMAA, Finland April 27 - October 23 VIROLAHTI KOIVUNIEMI, Finland May 4 - October 17 KOTKA RANKKI, Finland April 28 - October 19 HEINOLA ASEMANTAUS, Finland April 30 - October 21 KOTKA HAAPASAARI, Finland April 28 - October 21

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