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Hihifo, Tonga climate

Af Tropical rainforest

Hihifo has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is March with an average daily high near 28°C, while the coldest is August averaging around 26°C at night. Around 1798 mm of precipitation falls each year, peaking in January (245 mm) and easing off in July (63 mm).

☀️ All year
Warm
Daytime highs near 28°C most of the year.
🌙 Nights
Stays warm
Even the coolest nights stay near 26°C.
🌧️ Rain
Very wet
About 1798 mm of rain a year.
Wettest in January
Sky & trend
Often cloudy
Cloudy skies much of the year.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures TEMPERATURE °C 20°30°40° PRECIPITATION (mm) 0125250 JanAprJulOct

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER) 0h2h3h4h6h J: ~2.7 hours of sun/dayF: ~2.9 hours of sun/dayM: ~3.2 hours of sun/dayA: ~3.7 hours of sun/dayM: ~3.7 hours of sun/dayJ: ~3.7 hours of sun/dayJ: ~4.0 hours of sun/dayA: ~4.0 hours of sun/dayS: ~4.1 hours of sun/dayO: ~3.8 hours of sun/dayN: ~3.6 hours of sun/dayD: ~3.1 hours of sun/day JFMAMJJASOND Sun hours per day (est.)

Hihifo climate normals (1991–2020)

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)282828282827262626272728
Avg temp (°C)282828282727262626272728
Avg low (°C)272828272726262626262727
Precipitation (mm)24521220316813594636887146161216
Jan – JunJanFebMarAprMayJun
Avg high (°C)282828282827
Avg temp (°C)282828282727
Avg low (°C)272828272726
Precipitation (mm)24521220316813594
Jul – DecJulAugSepOctNovDec
Avg high (°C)262626272728
Avg temp (°C)262626272728
Avg low (°C)262626262727
Precipitation (mm)636887146161216

Sky & atmosphere

JanFebMarAprMayJunJulAugSepOctNovDec
Cloud cover (%)797773686766646565697276
Relative humidity (%)828282818079798081818282
Wind speed (m/s)4.94.84.55.05.46.16.06.06.05.75.25.2
Jan – JunJanFebMarAprMayJun
Cloud cover (%)797773686766
Relative humidity (%)828282818079
Wind speed (m/s)4.94.84.55.05.46.1
Jul – DecJulAugSepOctNovDec
Cloud cover (%)646565697276
Relative humidity (%)798081818282
Wind speed (m/s)6.06.06.05.75.25.2
Methodology & sources

Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →