When should you visit each — and when are both ideal?
Best for both · March, April, October, Novembercomfortable in both cities
Climate Overview
Hanoi (Vietnam · Hanoi) has a temperate climate; Rio de Janeiro shares the same classification. Hanoi's warmest month is June (32.6°C avg high); Rio de Janeiro peaks in January (30.9°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 |
Brazil · Rio de Janeiro
| Month | High | Low | Rain | Sun |
|---|
| JAN | 30.9° | 24° | 149mm | 10.8h |
| FEB | 30.3° | 23.8° | 148mm | 10.2h |
| MAR | 29.4° | 23.4° | 143mm | 10.5h |
| APR | 27.3° | 21.6° | 98mm | 9.9h |
| MAY | 25.4° | 19.5° | 65mm | 9.2h |
| JUN | 24.9° | 18.6° | 46mm | 8.9h |
| JUL | 24.8° | 17.9° | 46mm | 8.9h |
| AUG | 25.2° | 17.9° | 61mm | 8.8h |
| SEP | 26.6° | 19.4° | 73mm | 9.5h |
| OCT | 27.2° | 20.6° | 82mm | 9.3h |
| NOV | 27.2° | 21.2° | 150mm | 9.6h |
| DEC | 29.2° | 22.7° | 133mm | 10.6h |