Hot
Average highs reach 33°C, so days can feel very hot.
June verdict
Mixed for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 236mm, so showers are a real planning factor.
Monthly averages
Temp
33°C
Rain
236mm
Sun
7h
Sea
28°C
Weather score
52
Mixed
Hot
Average highs reach 33°C, so days can feel very hot.
Wet
Rainfall averages 236mm, so showers are a real planning factor.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Haikou, Hainan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
June33°C average high
June is one of Haikou's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
June236mm average rain
June is wetter than Haikou's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June7 hours average sun
June is brighter than Haikou's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
June28°C average sea
June is one of Haikou's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
June52 weather score
June scores below Haikou's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMarch to April and October to November
These months have the strongest weather score in the monthly averages.