Mild
Average highs are around 26°C, so days are mild rather than hot.
March verdict
Good for holiday weather
Average highs are around 26°C, so days are mild rather than hot. Sunshine averages 4.2h per day, so this is not one of the brighter months. Rainfall averages 51mm, which is relatively low for holiday planning.
Monthly averages
Temp
26°C
Rain
51mm
Sun
4.2h
Sea
20°C
Weather score
61
Good
Mild
Average highs are around 26°C, so days are mild rather than hot.
Drier
Rainfall averages 51mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Compare Haikou, Hainan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
March26°C average high
March is close to Haikou's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
March51mm average rain
March is one of Haikou's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March4.2 hours average sun
March is below Haikou's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
March20°C average sea
March is below Haikou's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMay to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
March61 weather score
March sits close to Haikou's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMarch to April and October to November
These months have the strongest weather score in the monthly averages.