Weather in Haikou in April 2026
Average weather
Average temperature in Haikou in April
The temperature in April is +28°C on average, with a range between a maximum of +34°C during the day and a minimum of +22°C at night.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +27°C to +26°C.
Is Haikou warm or cold in April?
Haikou is typically warm in April.
Maximum temperatures go up compared to the previous month from +25°C to +28°C. The minimum temperature also goes up from +20°C to +23°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how April is compared to other months in Haikou:
Climate in Haikou in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +28°C | +30°C | ||||
| Min. temperature | ||||||
| +8°C | +15°C | +19°C | ||||
| Max. temperature | ||||||
| +34°C | +37°C | +36°C | ||||
| Rainfall | ||||||
| 35 mm | 75 mm | 133 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 85% | 85% | 85% | ||||
| Air pressure | ||||||
| 1012 HPa | 1009 HPa | 1006 HPa | ||||
| Sunny days | ||||||
| 5 | 3 | 2 | ||||
| Cloudy days | ||||||
| 12 | 8 | 5 | ||||
| Rainy days | ||||||
| 15 | 18 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +25°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 35 mm to 75 mm. Humidity levels don’t change as the month goes on, averaging around 85%. Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average. The days becoming less sunny, going from 5 sunny days in March to 3 in April.
May brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Haikou is gradually decreasing during April, going from 4 m/s to 2 m/s over the course of the month.
Rain
How was the weather last April in Haikou?
Climate Change over Years
The climate in Haikou in April has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+25°C) and the highest in 2019 (+28°C). The driest year was 1991 with only 799 mm of rainfall, and the wettest year was 1982 with 1827 mm.
FAQ
Is April a good time to visit Haikou?
Can you sunbathe in Haikou in April?
Is Haikou rainy in April?
Is it sunny in Haikou in April?
Other cities in China
Monthly weather in Haikou
Source of the data
For this page, we’ve looked at the typical weather in Haikou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
