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