Hanoi Weather in October
In October, Hanoi averages a high of 29°C (85°F) and a low of 23°C (73°F), from 20 years of daily records (1974–2026).
29°C
Average high
85°F
23°C
Average low
73°F
36°C
Record high
96°F · October 12, 2003
14°C
Record low
57°F · October 30, 1978
What October Is Like in Hanoi
- 5 of the 10 warmest Octobers on record in Hanoi have come since 2011.
- October 2025 was the 4th warmest October in 20 years of records, 0.5°C (0.9°F) above the long-run average.
- The coldest October reading, 14°C (57°F) on October 30, 1978, has not been matched in 48 years.
- A typical October brings 13 days above 30°C (86°F).
At least 1 mm of rain falls on 20% of October days.
Warmest: 2014 (30.8°C)Latest: 2025 (28.9°C)10-year averageLong-run average (28.8°C)
Look Up a Day in October
See the weather in Hanoi on any October date, year by year.
Source: NOAA GHCN-Daily, Noibai Intl (1974–2016); Ha Dong (2012–2026). Averages cover 1974–2026. How we compute this