When should you visit each — and when are both ideal?
Best for both · April, Octobercomfortable in both cities
Climate Overview
Hanoi (Vietnam · Hanoi) has a temperate climate; Tehran (Iran · Tehran) is classified as continental. Hanoi's warmest month is June (32.6°C avg high); Tehran peaks in July (37.5°C avg high).
Monthly Breakdown
Vietnam · Hanoi
| Month | High | Low | Rain | Sun |
|---|
| JAN | 21.3° | 11.7° | 45mm | 5.4h |
| FEB | 23.4° | 13.1° | 44mm | 5.7h |
| MAR | 27.5° | 17.6° | 61mm | 6.0h |
| APR | 29.9° | 20.6° | 101mm | 7.1h |
| MAY | 32° | 24° | 160mm | 8.7h |
| JUN | 32.6° | 25.8° | 201mm | 9.1h |
| JUL | 32.2° | 25.6° | 282mm | 8.9h |
| AUG | 31.5° | 25.3° | 355mm | 8.3h |
| SEP | 30.8° | 24.2° | 255mm | 8.3h |
| OCT | 27.8° | 20.2° | 167mm | 7.7h |
| NOV | 25.6° | 17.1° | 51mm | 6.9h |
| DEC | 20.9° | 11.6° | 22mm | 6.2h |
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 |