When should you visit each — and when are both ideal?
Best for both · August–Septembercomfortable in both cities
Climate Overview
Johannesburg (South Africa · Gauteng) has a temperate climate; London shares the same classification. Johannesburg's warmest month is October (25.9°C avg high); London peaks in July (22.7°C avg high).
Monthly Breakdown
South Africa · Gauteng
| Month | High | Low | Rain | Sun |
|---|
| JAN | 25.6° | 14.7° | 116mm | 11.5h |
| FEB | 24.8° | 14.4° | 117mm | 10.9h |
| MAR | 23.7° | 13° | 73mm | 10.5h |
| APR | 21.4° | 10.2° | 54mm | 10.1h |
| MAY | 19.5° | 7.2° | 16mm | 9.8h |
| JUN | 17.1° | 4.2° | 6mm | 9.8h |
| JUL | 17.1° | 3.5° | 4mm | 10.2h |
| AUG | 20.6° | 6.4° | 4mm | 10.6h |
| SEP | 24.7° | 9.9° | 12mm | 11.3h |
| OCT | 25.9° | 11.8° | 42mm | 11.1h |
| NOV | 25.5° | 13.1° | 86mm | 11.4h |
| DEC | 25.5° | 14.5° | 123mm | 11.3h |
United Kingdom · England
| Month | High | Low | Rain | Sun |
|---|
| JAN | 7.8° | 1.9° | 65mm | 4.3h |
| FEB | 8.9° | 2.5° | 53mm | 5.5h |
| MAR | 11° | 3.6° | 52mm | 6.8h |
| APR | 13.9° | 4.9° | 40mm | 9.6h |
| MAY | 17.2° | 8.3° | 58mm | 10.6h |
| JUN | 20.8° | 11.9° | 62mm | 11.2h |
| JUL | 22.7° | 14.1° | 56mm | 11.4h |
| AUG | 21.9° | 13.6° | 63mm | 10.0h |
| SEP | 19.7° | 11.6° | 48mm | 8.4h |
| OCT | 15.6° | 9° | 77mm | 6.2h |
| NOV | 11.1° | 5.3° | 70mm | 4.5h |
| DEC | 9.1° | 3.9° | 65mm | 3.6h |