| Month | High / low °C°F | Rain mmin | Air (US AQI) |
|---|---|---|---|
| Jan | 20° / 14°68° / 57° | 200.8 | 180 |
| Feb | 22° / 16°71° / 62° | 200.8 | 154 |
| Mar | 26° / 21°79° / 69° | 361.4 | 153 |
| Apr | 29° / 22°83° / 72° | 1044.1 | 152 |
| May | 33° / 25°91° / 77° | 1656.5 | 89 |
| Jun | 35° / 27°95° / 80° | 26410.4 | 78 |
| Jul | 34° / 27°93° / 80° | 25410.0 | 82 |
| Aug | 33° / 26°92° / 78° | 27410.8 | 72 |
| Sept | 32° / 25°89° / 77° | 2289.0 | 78 |
| Oct | 30° / 23°87° / 73° | 1556.1 | 92 |
| Nov | 27° / 20°80° / 68° | 612.4 | 122 |
| Dec | 21° / 14°70° / 57° | 200.8 | 169 |
US AQI: 0 to 50 good, 51 to 100 moderate, 101 to 150 unhealthy for sensitive groups, 151 to 200 unhealthy, over 200 very unhealthy.
Temperature and rain: Láng, Đống Đa (downtown) station, 1991–2020 normals, Wikipedia's climate table, citing IBST. Air: IQAir, monthly averages for 2025 in Hanoi. Checked 29 Oct 2026.
4 checked things to do. We have checked only a few things here so far. More is coming.
not confirmed yet
90-minute program: a staged temple festival, then an after-dark visit to the bronze Tran Vu statue, a national treasure, and a bronze gong cast in 1677
Vietnamese news only
Search in Vietnamese: tour đêm Tiếng chuông Trấn Vũ đền Quán Thánh
Early Oct (9 to 11 Oct in 2026)
not confirmed yet
Vietnamese news only
Search in Vietnamese: Lễ hội Đồ uống Hà Nội
Early Nov (7 to 9 Nov in 2025)
More than 1,000 people parade in áo dài around Hoan Kiem Lake, with events at the Hanoi Museum
Vietnamese news only
Search in Vietnamese: Lễ hội Áo dài Du lịch Hà Nội
not confirmed yet
Tourist train from Hanoi station over Long Bien bridge to Tu Son in Bac Ninh, the stop for Do temple of the eight Ly kings
Vietnamese news only
Search in Vietnamese: tàu du lịch Hà Nội 5 Cửa Ô