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Weather & Climate
Swellendam, Western Cape, South Africa
Overview
Climate data and monthly weather averages for Swellendam.
Key Metrics
Annual Avg
17.1°C
Summer Avg
21.9°C
Winter Avg
11.8°C
Record High
44.2°C
Record Low
-0.2°C
Annual Precipitation
439.4 mm
Avg Humidity
65%
Summer Humidity
60%
Winter Humidity
69%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 44.2° | 22.3° | 10.3° | 32.6 | 60% | 229 | 56.4 |
| Feb | 43.2° | 22.5° | 8.3° | 28 | 61% | 185 | 49.6 |
| Mar | 42.7° | 20.8° | 7.6° | 38.8 | 63% | 166 | 59.3 |
| Apr | 38.3° | 17.9° | 5.6° | 39.9 | 65% | 119 | 64.4 |
| May | 34.8° | 15.1° | 2.1° | 28.2 | 66% | 91 | 56.9 |
| Jun | 30.6° | 12° | 0.9° | 37.2 | 68% | 75 | 67.9 |
| Jul | 29.1° | 11.6° | -0.2° | 39.1 | 69% | 86 | 61 |
| Aug | 32.6° | 11.9° | 0.5° | 45.9 | 70% | 111 | 59.8 |
| Sep | 39.5° | 14.2° | 1.8° | 26.4 | 68% | 144 | 67.8 |
| Oct | 39.2° | 16.9° | 2.9° | 42.8 | 64% | 184 | 54.5 |
| Nov | 39.5° | 18.6° | 6.5° | 49.8 | 62% | 212 | 57.3 |
| Dec | 43.3° | 21° | 8.1° | 30.7 | 60% | 235 | 54.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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