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Weather & Climate
Koster, North West, South Africa
Overview
Available climate summaries for Koster. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
17.4°C
Summer Avg
22.1°C
Winter Avg
10.8°C
Record High
40.1°C
Record Low
-4.9°C
Annual Precipitation
653.8 mm
Avg Humidity
53%
Summer Humidity
61%
Winter Humidity
49%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 40.1° | 22.4° | 8.2° | 119 | 61% | 212 | 42.3 |
| Feb | 35.7° | 21.8° | 9° | 103.3 | 62% | 179 | 37.3 |
| Mar | 34.6° | 20.2° | 5.4° | 77.2 | 61% | 178 | 38.9 |
| Apr | 31.1° | 16.8° | 0.9° | 58.8 | 61% | 145 | 36.9 |
| May | 29.1° | 13.4° | -3.7° | 17.1 | 53% | 139 | 40.1 |
| Jun | 25.4° | 10° | -4.6° | 7.8 | 54% | 122 | 47.2 |
| Jul | 26.6° | 9.7° | -4.5° | 2.8 | 49% | 136 | 43.1 |
| Aug | 29.6° | 12.8° | -4.9° | 5.6 | 43% | 161 | 53.6 |
| Sep | 33.6° | 17.3° | -1.7° | 16.2 | 37% | 187 | 50.1 |
| Oct | 37.2° | 20.4° | 4.3° | 46.2 | 43% | 210 | 47.3 |
| Nov | 37.5° | 21.4° | 4.7° | 78.3 | 51% | 210 | 41.8 |
| Dec | 38.1° | 22.2° | 9.6° | 121.5 | 59% | 215 | 39.7 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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