Frost Dates for POSTMASBURG, South Africa
Elevation: 1308 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.
August 17
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 2
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
August 26
First Fall Frost
May 27
Hard Freeze (−2°C)
Last Spring Hard Freeze
August 1
First Fall Hard Freeze
June 12
Growing Season
289 Days
August 17 to June 2
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 9b
Avg. annual minimum: −4 to −1°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BWk
Cold Desert
Dry with hot summers and cold winters. Rainfall is minimal year-round. Short growing seasons and large temperature swings require careful timing. Cold-hardy, drought-tolerant plants are best suited.
Temperature
0°
10°
20°
30°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 31° | 25° | 18° |
| February | 30° | 24° | 18° |
| March | 28° | 22° | 16° |
| April | 24° | 18° | 12° |
| May | 21° | 14° | 8° |
| June | 18° | 11° | 4° |
| July | 18° | 10° | 4° |
| August | 21° | 13° | 6° |
| September | 25° | 17° | 9° |
| October | 28° | 20° | 12° |
| November | 30° | 22° | 14° |
| December | 31° | 24° | 17° |
Precipitation
0 mm
20 mm
40 mm
60 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 69 |
| February | 66 |
| March | 69 |
| April | 20 |
| May | 3 |
| June | 5 |
| July | 0 |
| August | 0 |
| September | 3 |
| October | 13 |
| November | 33 |
| December | 51 |
Sunrise / Sunset
Daylight
Longest: 13h 48m · Shortest: 10h 12m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 5:12 AM | 6:48 PM | 13h 37m |
| February | 5:31 AM | 6:29 PM | 12h 59m |
| March | 5:54 AM | 6:06 PM | 12h 12m |
| April | 6:21 AM | 5:39 PM | 11h 19m |
| May | 6:42 AM | 5:18 PM | 10h 35m |
| June | 6:54 AM | 5:06 PM | 10h 13m |
| July | 6:49 AM | 5:11 PM | 10h 22m |
| August | 6:30 AM | 5:30 PM | 10h 59m |
| September | 6:05 AM | 5:55 PM | 11h 50m |
| October | 5:39 AM | 6:21 PM | 12h 42m |
| November | 5:17 AM | 6:43 PM | 13h 26m |
| December | 5:06 AM | 6:54 PM | 13h 48m |
Nearby Stations
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