Historical weather in Sanya, China
Sanya weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Sanya averaged 28.8 C for daily highs and 23.6 C for daily lows across 1096 daily observations.
The warmest month was August 2024, with an average high of 31.5 C, while January 2025 had the lowest average low at 17.0 C.
The wettest month was August 2025, totaling 419.5 mm of precipitation.
The hottest day reached 33.6 C on August 6, 2025; the coldest night fell to 13.3 C on January 29, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 17.8 | 23.7 | 20.3 | 31 |
| 2023 | February | 20.5 | 26.1 | 6.8 | 28 |
| 2023 | March | 21.4 | 26.6 | 13.8 | 31 |
| 2023 | April | 25.2 | 29.2 | 45.8 | 30 |
| 2023 | May | 26.6 | 30.8 | 100.6 | 31 |
| 2023 | June | 27.0 | 31.0 | 158.2 | 30 |
| 2023 | July | 27.1 | 31.2 | 135.8 | 31 |
| 2023 | August | 26.7 | 30.8 | 258.2 | 31 |
| 2023 | September | 25.6 | 30.1 | 226.8 | 30 |
| 2023 | October | 24.7 | 29.2 | 223.5 | 31 |
| 2023 | November | 22.6 | 28.4 | 20.2 | 30 |
| 2023 | December | 20.5 | 26.3 | 11.5 | 31 |
| 2024 | January | 19.4 | 25.6 | 3.5 | 31 |
| 2024 | February | 20.8 | 27.0 | 8.8 | 29 |
| 2024 | March | 22.6 | 28.1 | 21.9 | 31 |
| 2024 | April | 26.2 | 30.8 | 27.4 | 30 |
| 2024 | May | 26.2 | 30.9 | 234.6 | 31 |
| 2024 | June | 27.2 | 31.1 | 228.1 | 30 |
| 2024 | July | 26.4 | 30.4 | 345.3 | 31 |
| 2024 | August | 26.8 | 31.5 | 82.3 | 31 |
| 2024 | September | 25.6 | 30.3 | 347.6 | 30 |
| 2024 | October | 24.2 | 29.6 | 252.5 | 31 |
| 2024 | November | 22.2 | 27.8 | 42.2 | 30 |
| 2024 | December | 19.2 | 25.5 | 4.8 | 31 |
| 2025 | January | 17.0 | 24.8 | 6.0 | 31 |
| 2025 | February | 19.0 | 25.9 | 3.8 | 28 |
| 2025 | March | 20.5 | 27.1 | 8.0 | 31 |
| 2025 | April | 23.0 | 29.2 | 35.4 | 30 |
| 2025 | May | 25.7 | 31.3 | 115.7 | 31 |
| 2025 | June | 26.7 | 31.0 | 387.5 | 30 |
| 2025 | July | 26.2 | 30.5 | 275.1 | 31 |
| 2025 | August | 26.1 | 30.8 | 419.5 | 31 |
| 2025 | September | 25.2 | 30.1 | 285.2 | 30 |
| 2025 | October | 24.1 | 29.1 | 283.9 | 31 |
| 2025 | November | 21.5 | 27.2 | 76.6 | 30 |
| 2025 | December | 20.5 | 26.8 | 9.7 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | August 6, 2025 | 33.6 C |
| Coldest night | January 29, 2023 | 13.3 C |
| Wettest day | June 13, 2025 | 160.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.