Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
April verdict
Haikou, Hainan, China in April
Weather score62Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 100mm, so some wet days are possible.
April weather
Monthly averages
Temp
30°C
Rain
100mm
Sun
5.2h
Sea
23°C
Weather score
62
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 100mm, so some wet days are possible.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Haikou, Hainan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April30°C average high
April sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
April100mm average rain
April sits on the drier side of Haikou's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.2 hours average sun
April sits close to Haikou's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April23°C average sea
April is close to Haikou's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaMay to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
April62 weather score
April scores above Haikou's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMarch to April and October to November
These months have the strongest weather score in the monthly averages.
