Hong Kong Island weather in 2025
Hong Kong Island weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Hong Kong Island in the interactive graph
Use the graph view to inspect 2025 alongside other available years for Hong Kong Island.
Year summary
In 2025, Hong Kong Island averaged 25.4 C for daily highs and 19.6 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 +0.2 C from that baseline, and total precipitation was -279.5 mm from the baseline total.
The warmest month was July, with an average high of 30.3 C, while January had the lowest average low at 11.6 C.
The wettest month was July, totaling 445.6 mm. The hottest day reached 33.3 C on July 7, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 11.6 | 18.6 | 18.6 | 31 |
| February | 12.7 | 19.2 | 20.6 | 28 |
| March | 14.7 | 22.2 | 86.5 | 31 |
| April | 18.8 | 25.3 | 93.8 | 30 |
| May | 22.8 | 28.2 | 195.7 | 31 |
| June | 24.7 | 28.8 | 329.8 | 30 |
| July | 25.3 | 30.3 | 445.6 | 31 |
| August | 24.6 | 29.1 | 395.1 | 31 |
| September | 24.4 | 29.4 | 346.4 | 30 |
| October | 22.3 | 27.8 | 79.1 | 31 |
| November | 17.1 | 24.0 | 7.4 | 30 |
| December | 15.2 | 21.9 | 11.6 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | July 7, 2025 | 33.3 C |
| Coldest night | February 9, 2025 | 5.1 C |
| Wettest day | September 24, 2025 | 122.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.