Frost Dates for VAASA VAASAN LENTOASEMA, Finland
Elevation: 3 m
Frost Dates
Last Spring Frost (50%) A 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%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
October 14
30% Probability
Only 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 8
Hard Freeze (−2°C)
Last Spring Hard Freeze
April 20
First Fall Hard Freeze
October 26
Growing Season
163 Days
May 4 to October 14
USDA Hardiness Zone
Hardiness 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
Köppen Climate
The 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.
Temperature
-10°
0°
10°
20°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -3° | -5° | -7° |
| February | -3° | -6° | -8° |
| March | 1° | -2° | -6° |
| April | 7° | 3° | -1° |
| May | 13° | 9° | 5° |
| June | 18° | 14° | 10° |
| July | 21° | 17° | 13° |
| August | 19° | 16° | 12° |
| September | 14° | 11° | 8° |
| October | 7° | 5° | 3° |
| November | 2° | 0° | -1° |
| December | -1° | -3° | -5° |
Precipitation
0 mm
20 mm
40 mm
60 mm
80 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 25 |
| February | 13 |
| March | 20 |
| April | 28 |
| May | 48 |
| June | 71 |
| July | 76 |
| August | 74 |
| September | 58 |
| October | 61 |
| November | 51 |
| December | 53 |
Sunrise / Sunset
Daylight
Longest: 19h 48m · Shortest: 4h 12m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:20 AM | 2:40 PM | 5h 20m |
| February | 7:51 AM | 4:09 PM | 8h 19m |
| March | 6:22 AM | 5:38 PM | 11h 16m |
| April | 4:44 AM | 7:16 PM | 14h 32m |
| May | 3:12 AM | 8:48 PM | 17h 36m |
| June | 2:08 AM | 9:52 PM | 19h 43m |
| July | 2:37 AM | 9:23 PM | 18h 47m |
| August | 4:05 AM | 7:55 PM | 15h 51m |
| September | 5:43 AM | 6:17 PM | 12h 35m |
| October | 7:18 AM | 4:42 PM | 9h 25m |
| November | 8:52 AM | 3:08 PM | 6h 16m |
| December | 9:52 AM | 2:08 PM | 4h 16m |
Nearby Stations
KORSNAS BREDSKARET, Finland
April 27 - October 25
SEINAJOKI PELMAA, Finland
May 6 - October 9
MAALAHTI STROMMINGSBADAN, Finland
April 17 - November 8
MUSTASAARI VALASSAARET, Finland
April 28 - November 8
KAUHAJOKI KUJA-KOKKO, Finland
May 6 - October 10
KASKINEN SALGRUND, Finland
April 29 - October 19
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