Haikou weather in 2024
Haikou weather in 2024, with 366 daily observations from Open-Meteo archive data.
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Year summary
In 2024, Haikou averaged 28.7 C for daily highs and 22.8 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2024 with the 2023-2025 archive baseline. The 2024 average daily high was +0.4 C from that baseline, and total precipitation was +8.1 mm from the baseline total.
The warmest month was April, with an average high of 34.4 C, while January had the lowest average low at 17.5 C.
The wettest month was September, totaling 500.6 mm. The hottest day reached 40.7 C on April 30, 2024.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 17.5 | 22.8 | 35.3 | 31 |
| February | 18.6 | 25.6 | 34.0 | 29 |
| March | 20.8 | 27.6 | 61.0 | 31 |
| April | 25.6 | 34.4 | 102.4 | 30 |
| May | 25.0 | 30.3 | 397.5 | 31 |
| June | 26.3 | 32.6 | 287.3 | 30 |
| July | 26.1 | 32.4 | 237.5 | 31 |
| August | 25.9 | 32.9 | 211.7 | 31 |
| September | 25.0 | 30.4 | 500.6 | 30 |
| October | 23.5 | 28.2 | 265.8 | 31 |
| November | 21.6 | 25.2 | 84.2 | 30 |
| December | 17.9 | 21.7 | 8.9 | 31 |
Daily records in 2024
| Record | Date | Value |
|---|---|---|
| Hottest day | April 30, 2024 | 40.7 C |
| Coldest night | January 22, 2024 | 12.1 C |
| Wettest day | September 6, 2024 | 144.0 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.