Hanoi Weather in August
In August, Hanoi averages a high of 33°C (91°F) and a low of 26°C (79°F), from 17 years of daily records (1975–2026).
33°C
Average high
91°F
26°C
Average low
79°F
40°C
Record high
103°F · August 7, 2021
22°C
Record low
72°F · August 5, 1986
What August Is Like in Hanoi
- August 2026 was the 3rd warmest August in 17 years of records, 0.5°C (0.9°F) above the long-run average.
- The coldest August reading, 22°C (72°F) on August 5, 1986, has not been matched in 40 years.
- A typical August brings 5.2 days above 35°C (95°F).
- The warmest August in the record was 2019; the coldest was 1976.
At least 1 mm of rain falls on 39% of August days.
Warmest: 2019 (33.7°C)Latest: 2026 (32.6°C)10-year averageLong-run average (32.5°C)
Look Up a Day in August
See the weather in Hanoi on any August date, year by year.
Source: NOAA GHCN-Daily, Noibai Intl (1974–2016); Ha Dong (2012–2026). Averages cover 1975–2026. How we compute this