Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
March verdict
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 197mm, so showers are a real planning factor.
Monthly averages
Temp
29°C
Rain
197mm
Sun
0h
Sea
28°C
Weather score
63
Good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 197mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Tongatapu, Tonga with nearby places by weather score, rain, sun, temperature, and swim conditions.
March29°C average high
March sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to April and December
This stretch sets the upper range for average daytime heat.
March197mm average rain
March is one of Tongatapu's wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March0 hours average sun
March is close to Tongatapu's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
March28°C average sea
March is one of Tongatapu's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to April
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
March63 weather score
March is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsSeptember to December
These months have the strongest weather score in the monthly averages.