Haikou weather in 2023
Haikou weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Haikou.
Year summary
In 2023, Haikou averaged 28.2 C for daily highs and 22.4 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.1 C from that baseline, and total precipitation was -190.3 mm from the baseline total.
The warmest month was July, with an average high of 32.8 C, while January had the lowest average low at 15.7 C.
The wettest month was September, totaling 335.8 mm. The hottest day reached 38.5 C on May 6, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 15.7 | 19.4 | 88.7 | 31 |
| February | 18.1 | 23.9 | 47.6 | 28 |
| March | 19.3 | 27.5 | 47.0 | 31 |
| April | 23.6 | 30.6 | 84.7 | 30 |
| May | 25.1 | 32.3 | 149.0 | 31 |
| June | 25.9 | 32.4 | 268.2 | 30 |
| July | 26.2 | 32.8 | 260.7 | 31 |
| August | 25.7 | 31.9 | 264.0 | 31 |
| September | 24.9 | 30.3 | 335.8 | 30 |
| October | 24.2 | 28.1 | 328.4 | 31 |
| November | 21.3 | 26.1 | 105.2 | 30 |
| December | 18.4 | 22.9 | 48.5 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | May 6, 2023 | 38.5 C |
| Coldest night | January 30, 2023 | 10.3 C |
| Wettest day | July 17, 2023 | 69.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.