Frost Dates for ONA HUSOY, Norway
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.
March 21
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.
November 28
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
April 2
First Fall Frost
November 18
Hard Freeze (−2°C)
Last Spring Hard Freeze
March 2
First Fall Hard Freeze
December 12
Growing Season
252 Days
March 21 to November 28
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 9a
Avg. annual minimum: −7 to −4°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfb
Oceanic (Marine West Coast)
Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.
Temperature
0°
5°
10°
15°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 4° | 3° | 2° |
| February | 4° | 3° | 1° |
| March | 5° | 3° | 2° |
| April | 7° | 5° | 4° |
| May | 9° | 8° | 6° |
| June | 12° | 10° | 9° |
| July | 14° | 13° | 12° |
| August | 15° | 14° | 13° |
| September | 13° | 12° | 11° |
| October | 10° | 8° | 7° |
| November | 7° | 5° | 4° |
| December | 5° | 4° | 2° |
Precipitation
0 mm
50 mm
100 mm
150 mm
200 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 163 |
| February | 150 |
| March | 137 |
| April | 86 |
| May | 84 |
| June | 91 |
| July | 94 |
| August | 124 |
| September | 175 |
| October | 183 |
| November | 160 |
| December | 185 |
Sunrise / Sunset
Daylight
Longest: 19h 43m · Shortest: 4h 18m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:18 AM | 2:42 PM | 5h 25m |
| February | 7:50 AM | 4:10 PM | 8h 20m |
| March | 6:22 AM | 5:38 PM | 11h 16m |
| April | 4:44 AM | 7:16 PM | 14h 31m |
| May | 3:14 AM | 8:46 PM | 17h 33m |
| June | 2:11 AM | 9:49 PM | 19h 38m |
| July | 2:39 AM | 9:21 PM | 18h 42m |
| August | 4:06 AM | 7:54 PM | 15h 49m |
| September | 5:43 AM | 6:17 PM | 12h 35m |
| October | 7:17 AM | 4:43 PM | 9h 26m |
| November | 8:51 AM | 3:09 PM | 6h 19m |
| December | 9:49 AM | 2:11 PM | 4h 21m |
Nearby Stations
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