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Weather & Climate
Postmasburg, Northern Cape, South Africa
Overview
Climate data and monthly weather averages for Postmasburg.
Key Metrics
Annual Avg
18.3°C
Summer Avg
25°C
Winter Avg
10.5°C
Record High
42.5°C
Record Low
-4.7°C
Annual Precipitation
342.4 mm
Avg Humidity
38%
Summer Humidity
36%
Winter Humidity
43%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 42.5° | 25.6° | 7.3° | 62.6 | 36% | 236 | 52.5 |
| Feb | 39.2° | 24.7° | 6.4° | 52.4 | 41% | 190 | 42.7 |
| Mar | 36.7° | 22.5° | 4.7° | 56.1 | 42% | 188 | 46.5 |
| Apr | 33.3° | 17.9° | -0.7° | 44.4 | 47% | 148 | 45.4 |
| May | 29.5° | 14° | -4.2° | 13.6 | 45% | 129 | 48 |
| Jun | 25.3° | 9.9° | -4.4° | 7.2 | 48% | 112 | 54.6 |
| Jul | 25.3° | 9.7° | -4.3° | 2.2 | 44% | 126 | 54 |
| Aug | 29.9° | 11.9° | -4.7° | 4 | 38% | 154 | 54.5 |
| Sep | 34.8° | 16.4° | -3.9° | 8.1 | 31% | 184 | 65.5 |
| Oct | 39.5° | 20.1° | 1.4° | 17.4 | 30% | 222 | 54 |
| Nov | 39.1° | 22.4° | 3.3° | 27.9 | 29% | 240 | 59.1 |
| Dec | 39.5° | 24.8° | 4.8° | 46.5 | 30% | 253 | 49.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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