Sanya weather in 2025
Sanya weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Sanya in the interactive graph
Use the graph view to inspect 2025 alongside other available years for Sanya.
Year summary
In 2025, Sanya averaged 28.7 C for daily highs and 23.0 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 -0.1 C from that baseline, and total precipitation was +330.8 mm from the baseline total.
The warmest month was May, with an average high of 31.3 C, while January had the lowest average low at 17.0 C.
The wettest month was August, totaling 419.5 mm. The hottest day reached 33.6 C on August 6, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 17.0 | 24.8 | 6.0 | 31 |
| February | 19.0 | 25.9 | 3.8 | 28 |
| March | 20.5 | 27.1 | 8.0 | 31 |
| April | 23.0 | 29.2 | 35.4 | 30 |
| May | 25.7 | 31.3 | 115.7 | 31 |
| June | 26.7 | 31.0 | 387.5 | 30 |
| July | 26.2 | 30.5 | 275.1 | 31 |
| August | 26.1 | 30.8 | 419.5 | 31 |
| September | 25.2 | 30.1 | 285.2 | 30 |
| October | 24.1 | 29.1 | 283.9 | 31 |
| November | 21.5 | 27.2 | 76.6 | 30 |
| December | 20.5 | 26.8 | 9.7 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | August 6, 2025 | 33.6 C |
| Coldest night | January 12, 2025 | 13.8 C |
| Wettest day | June 13, 2025 | 160.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.