When should you visit each — and when are both ideal?
Best for both · April, May, Octobercomfortable in both cities
Climate Overview
Johannesburg (South Africa · Gauteng) has a temperate climate; Tehran (Iran · Tehran) is classified as continental. Johannesburg's warmest month is October (25.9°C avg high); Tehran peaks in July (37.5°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 |
Iran · Tehran
| Month | High | Low | Rain | Sun |
|---|
| JAN | 8.6° | -1° | 37mm | 8.6h |
| FEB | 11° | 0.4° | 41mm | 9.0h |
| MAR | 16.6° | 5.4° | 57mm | 9.7h |
| APR | 22.4° | 10.5° | 39mm | 10.9h |
| MAY | 29.2° | 16.6° | 14mm | 12.1h |
| JUN | 35.4° | 22.5° | 2mm | 12.9h |
| JUL | 37.5° | 25.7° | 2mm | 12.9h |
| AUG | 35.8° | 24° | 1mm | 12.7h |
| SEP | 32.1° | 20.4° | 2mm | 11.3h |
| OCT | 24° | 13.5° | 21mm | 10.2h |
| NOV | 14.8° | 5.6° | 42mm | 8.4h |
| DEC | 10.5° | 1.3° | 39mm | 7.9h |