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Weather & Climate
Port Saint John’s, Eastern Cape, South Africa
Overview
Available climate summaries for Port Saint John’s. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
18.2°C
Summer Avg
21.5°C
Winter Avg
14.6°C
Record High
41.3°C
Record Low
2.9°C
Annual Precipitation
1063.3 mm
Avg Humidity
74%
Summer Humidity
80%
Winter Humidity
64%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 39.3° | 21.9° | 10.6° | 141 | 80% | 182 | 49.1 |
| Feb | 39.7° | 22.1° | 11.6° | 118.2 | 81% | 155 | 42.9 |
| Mar | 37.8° | 20.9° | 9.4° | 126.8 | 80% | 151 | 42 |
| Apr | 37° | 18.5° | 6.5° | 85.5 | 77% | 120 | 58.9 |
| May | 33° | 16.8° | 5.3° | 33.5 | 69% | 105 | 51.3 |
| Jun | 30.1° | 14.4° | 3.1° | 23.4 | 64% | 91 | 57.6 |
| Jul | 32.6° | 14.1° | 2.9° | 41.9 | 62% | 101 | 58.7 |
| Aug | 35.4° | 15.4° | 3.8° | 47.1 | 65% | 119 | 69.8 |
| Sep | 37.3° | 16.9° | 5.1° | 70.8 | 71% | 137 | 54.1 |
| Oct | 39.1° | 18° | 6° | 115.3 | 75% | 158 | 56.2 |
| Nov | 41.3° | 19.1° | 7.7° | 128.7 | 78% | 167 | 53.4 |
| Dec | 37.6° | 20.6° | 9.8° | 131.1 | 80% | 178 | 48.5 |
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 2026-03-21.
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