North · Red River Delta
Lakes, temples and colonial boulevards wrapped around a chaotic, irresistible Old Quarter — and the best street food in the north.
North · Northeast mountains
A remote, beautiful frontier province on the Chinese border, home to Ban Gioc Waterfall, a UNESCO Global Geopark and Tay, Nung, Dao and H'mong communities.
Hanoi has the edge in May–June, December–February. Cao Bang is better in October. The rest of the year they are rated about the same.
| Month | Hanoi | Cao Bang | ||||
|---|---|---|---|---|---|---|
| January | 21°C | 62 mm | Good | 19°C | 88 mm | Fair |
| February | 22°C | 51 mm | Great | 20°C | 85 mm | Good |
| March | 26°C | 71 mm | Great | 25°C | 108 mm | Great |
| April | 29°C | 103 mm | Great | 28°C | 130 mm | Great |
| May | 31°C | 225 mm | Good | 30°C | 289 mm | Fair |
| June | 33°C | 281 mm | Fair | 32°C | 365 mm | Wet / extreme |
| July | 33°C | 329 mm | Fair | 32°C | 285 mm | Fair |
| August | 32°C | 433 mm | Wet / extreme | 31°C | 379 mm | Wet / extreme |
| September | 31°C | 352 mm | Fair | 30°C | 264 mm | Fair |
| October | 28°C | 203 mm | Good | 27°C | 155 mm | Great |
| November | 26°C | 59 mm | Great | 24°C | 64 mm | Great |
| December | 22°C | 34 mm | Great | 20°C | 39 mm | Good |
Average daily high, monthly rainfall and our travel rating. How ratings work.