Historical weather in Haikou, China
Haikou 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, Haikou averaged 28.3 C for daily highs and 22.4 C for daily lows across 1096 daily observations.
The warmest month was April 2024, with an average high of 34.4 C, while January 2025 had the lowest average low at 15.3 C.
The wettest month was September 2024, totaling 500.6 mm of precipitation.
The hottest day reached 40.7 C on April 30, 2024; the coldest night fell to 10.3 C on January 30, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 15.7 | 19.4 | 88.7 | 31 |
| 2023 | February | 18.1 | 23.9 | 47.6 | 28 |
| 2023 | March | 19.3 | 27.5 | 47.0 | 31 |
| 2023 | April | 23.6 | 30.6 | 84.7 | 30 |
| 2023 | May | 25.1 | 32.3 | 149.0 | 31 |
| 2023 | June | 25.9 | 32.4 | 268.2 | 30 |
| 2023 | July | 26.2 | 32.8 | 260.7 | 31 |
| 2023 | August | 25.7 | 31.9 | 264.0 | 31 |
| 2023 | September | 24.9 | 30.3 | 335.8 | 30 |
| 2023 | October | 24.2 | 28.1 | 328.4 | 31 |
| 2023 | November | 21.3 | 26.1 | 105.2 | 30 |
| 2023 | December | 18.4 | 22.9 | 48.5 | 31 |
| 2024 | January | 17.5 | 22.8 | 35.3 | 31 |
| 2024 | February | 18.6 | 25.6 | 34.0 | 29 |
| 2024 | March | 20.8 | 27.6 | 61.0 | 31 |
| 2024 | April | 25.6 | 34.4 | 102.4 | 30 |
| 2024 | May | 25.0 | 30.3 | 397.5 | 31 |
| 2024 | June | 26.3 | 32.6 | 287.3 | 30 |
| 2024 | July | 26.1 | 32.4 | 237.5 | 31 |
| 2024 | August | 25.9 | 32.9 | 211.7 | 31 |
| 2024 | September | 25.0 | 30.4 | 500.6 | 30 |
| 2024 | October | 23.5 | 28.2 | 265.8 | 31 |
| 2024 | November | 21.6 | 25.2 | 84.2 | 30 |
| 2024 | December | 17.9 | 21.7 | 8.9 | 31 |
| 2025 | January | 15.3 | 21.1 | 19.7 | 31 |
| 2025 | February | 17.3 | 21.9 | 22.0 | 28 |
| 2025 | March | 18.7 | 26.3 | 66.6 | 31 |
| 2025 | April | 21.8 | 31.1 | 104.6 | 30 |
| 2025 | May | 24.8 | 31.7 | 323.7 | 31 |
| 2025 | June | 25.8 | 32.3 | 340.6 | 30 |
| 2025 | July | 25.6 | 31.6 | 358.2 | 31 |
| 2025 | August | 25.5 | 31.5 | 297.1 | 31 |
| 2025 | September | 24.8 | 30.4 | 373.1 | 30 |
| 2025 | October | 23.9 | 28.4 | 373.7 | 31 |
| 2025 | November | 20.8 | 24.6 | 97.3 | 30 |
| 2025 | December | 19.4 | 23.8 | 23.8 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | April 30, 2024 | 40.7 C |
| Coldest night | January 30, 2023 | 10.3 C |
| Wettest day | October 5, 2025 | 181.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.