When should you visit each — and when are both ideal?
Best for both · Octobercomfortable in both cities
Climate Overview
Nanjing (China · Jiangsu) has a temperate climate; Hanoi shares the same classification. Nanjing's warmest month is August (32.4°C avg high); Hanoi peaks in June (32.6°C avg high).
Monthly Breakdown
China · Jiangsu
| Month | High | Low | Rain | Sun |
|---|
| JAN | 8.6° | -1.1° | 56mm | 6.9h |
| FEB | 10.9° | 0.5° | 59mm | 7.2h |
| MAR | 16.9° | 5.6° | 84mm | 8.3h |
| APR | 22.2° | 10.5° | 103mm | 9.0h |
| MAY | 27.5° | 16.1° | 100mm | 9.4h |
| JUN | 30.7° | 21° | 224mm | 9.4h |
| JUL | 32.1° | 24.6° | 260mm | 9.2h |
| AUG | 32.4° | 24.4° | 171mm | 9.5h |
| SEP | 28.8° | 19.5° | 109mm | 8.4h |
| OCT | 23.4° | 12.8° | 77mm | 8.0h |
| NOV | 17.4° | 6.8° | 70mm | 7.4h |
| DEC | 10° | -0.2° | 39mm | 7.4h |
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 |