Frost Dates for MARION ISLAND, South Africa
Elevation: 18 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.
September 20
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.
June 13
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
October 2
First Fall Frost
June 8
Growing Season
266 Days
September 20 to June 13
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 10a
Avg. annual minimum: −1 to 2°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
ET
Tundra
No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.
Temperature
0°
5°
10°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 8° | 7° | 6° |
| February | 8° | 7° | 6° |
| March | 8° | 7° | 6° |
| April | 8° | 6° | 5° |
| May | 7° | 6° | 4° |
| June | 6° | 5° | 4° |
| July | 6° | 5° | 3° |
| August | 6° | 4° | 3° |
| September | 5° | 4° | 3° |
| October | 6° | 4° | 3° |
| November | 6° | 5° | 4° |
| December | 7° | 6° | 5° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 94 |
| February | 91 |
| March | 91 |
| April | 89 |
| May | 86 |
| June | 99 |
| July | 91 |
| August | 99 |
| September | 89 |
| October | 97 |
| November | 79 |
| December | 86 |
Sunrise / Sunset
Daylight
Longest: 15h 41m · Shortest: 8h 19m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 4:22 AM | 7:38 PM | 15h 17m |
| February | 5:02 AM | 6:58 PM | 13h 57m |
| March | 5:48 AM | 6:12 PM | 12h 24m |
| April | 6:41 AM | 5:19 PM | 10h 38m |
| May | 7:25 AM | 4:35 PM | 9h 10m |
| June | 7:50 AM | 4:10 PM | 8h 21m |
| July | 7:40 AM | 4:20 PM | 8h 41m |
| August | 7:01 AM | 4:59 PM | 9h 58m |
| September | 6:09 AM | 5:51 PM | 11h 41m |
| October | 5:18 AM | 6:42 PM | 13h 23m |
| November | 4:33 AM | 7:27 PM | 14h 54m |
| December | 4:10 AM | 7:50 PM | 15h 39m |
Plan Your Garden with Planter
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