Hanoi weather in 2025
Hanoi weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Hanoi in the interactive graph
Use the graph view to inspect 2025 alongside other available years for Hanoi.
Year summary
In 2025, Hanoi averaged 27.9 C for daily highs and 21.0 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.5 C from that baseline, and total precipitation was +202.4 mm from the baseline total.
The warmest month was June, with an average high of 32.7 C, while January had the lowest average low at 13.6 C.
The wettest month was June, totaling 491.2 mm. The hottest day reached 38.1 C on June 1, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 13.6 | 23.0 | 19.5 | 31 |
| February | 14.9 | 20.5 | 52.6 | 28 |
| March | 17.5 | 25.1 | 31.8 | 31 |
| April | 21.6 | 30.4 | 148.9 | 30 |
| May | 24.4 | 30.8 | 251.9 | 31 |
| June | 25.9 | 32.7 | 491.2 | 30 |
| July | 25.9 | 32.7 | 348.1 | 31 |
| August | 25.7 | 31.8 | 370.5 | 31 |
| September | 25.1 | 31.3 | 345.2 | 30 |
| October | 22.8 | 28.6 | 277.9 | 31 |
| November | 17.3 | 23.8 | 114.1 | 30 |
| December | 17.2 | 23.5 | 38.0 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | June 1, 2025 | 38.1 C |
| Coldest night | January 13, 2025 | 8.8 C |
| Wettest day | October 7, 2025 | 133.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.