Hoàn Kiếm Lake

Hoàn Kiếm Lake is a lake situated in Hanoi, Vietnam. It is one of the 29 sights of the country listed on this site and is the 16th most looked-up sight in Vietnam on English Wikipedia.
Planning a visit
The weather is warmest from May to September, with daily highs reaching about 32 °C, but this period also has the most rain, with up to 327 mm and about 25 rainy days in July. The coolest months are December and January, when daily highs are around 20-21 °C and lows are between 13 °C and 14 °C. These months also see the least rainfall, with about 4 to 6 rainy days.
Hoàn Kiếm Lake is located 1 km from the center of Hanoi. Noi Bai International Airport (HAN) is 22 km away. Nearby sights include St. Joseph's Cathedral, Hanoi (0.4 km), Hỏa Lò Prison (0.8 km), Hanoi Train Street (1.0 km), Imperial Citadel of Thăng Long (1.4 km), and the Temple of Literature, Hanoi (1.8 km).
Weather by month
The warmest month is July, with an average high of 33 °C. The wettest is July, with about 327 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 20 | 21 | 25 | 29 | 31 | 32 | 33 | 32 | 30 | 28 | 25 | 21 |
| Average low, °C | 13 | 15 | 18 | 21 | 24 | 26 | 26 | 25 | 24 | 21 | 17 | 14 |
| Rainfall, mm | 26 | 29 | 55 | 121 | 242 | 283 | 327 | 323 | 224 | 165 | 73 | 26 |
| Rainy days | 6 | 6 | 11 | 13 | 20 | 22 | 25 | 25 | 22 | 14 | 8 | 4 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.