Frost Dates for KUOPIO RITONIEMI, Finland
Elevation: 78 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 6
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 24
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 11
First Fall Frost
October 19
Hard Freeze (−2°C)
Last Spring Hard Freeze
April 24
First Fall Hard Freeze
November 5
Growing Season
171 Days
May 6 to October 24
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 5b
Avg. annual minimum: −26 to −23°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc
Subarctic
Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.
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 | -6° | -8° | -10° |
| February | -6° | -8° | -10° |
| March | -2° | -4° | -6° |
| April | 4° | 1° | -2° |
| May | 11° | 8° | 4° |
| June | 17° | 14° | 11° |
| July | 20° | 18° | 15° |
| August | 18° | 16° | 14° |
| September | 13° | 11° | 9° |
| October | 6° | 4° | 3° |
| November | 1° | -1° | -2° |
| December | -3° | -5° | -6° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 38 |
| February | 25 |
| March | 20 |
| April | 20 |
| May | 56 |
| June | 71 |
| July | 86 |
| August | 84 |
| September | 74 |
| October | 79 |
| November | 64 |
| December | 58 |
Sunrise / Sunset
Daylight
Longest: 19h 40m · Shortest: 4h 20m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:17 AM | 2:43 PM | 5h 26m |
| February | 7:49 AM | 4:11 PM | 8h 21m |
| March | 6:22 AM | 5:38 PM | 11h 16m |
| April | 4:45 AM | 7:15 PM | 14h 31m |
| May | 3:14 AM | 8:46 PM | 17h 32m |
| June | 2:12 AM | 9:48 PM | 19h 36m |
| July | 2:40 AM | 9:20 PM | 18h 41m |
| August | 4:06 AM | 7:54 PM | 15h 48m |
| September | 5:43 AM | 6:17 PM | 12h 35m |
| October | 7:17 AM | 4:43 PM | 9h 26m |
| November | 8:50 AM | 3:10 PM | 6h 20m |
| December | 9:48 AM | 2:12 PM | 4h 23m |
Nearby Stations
KUOPIO SAVILAHTI, Finland
May 6 - October 20
SIILINJARVI KUOPION LENTOASEMA, Finland
May 7 - October 19
MAANINKA HALOLA, Finland
May 7 - October 14
VARKAUS KOSULANNIEMI, Finland
May 3 - October 19
JOROINEN VARKAUDEN LENTOASEMA, Finland
May 3 - October 18
RAUTAVAARA YLA-LUOSTA, Finland
May 10 - October 10
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