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Mata-Utu, Wallis and Futuna climate
Af Tropical rainforest
Mata-Utu has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is April with an average daily high near 31°C, while the coldest is July averaging around 25°C at night. Around 3038 mm of precipitation falls each year, peaking in January (366 mm) and easing off in August (159 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Mata-Utu climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 30 | 30 | 30 | 31 | 31 |
| Avg temp (°C) | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Precipitation (mm) | 366 | 315 | 269 | 277 | 206 | 169 | 198 | 159 | 194 | 267 | 308 | 310 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 30 | 30 |
| Avg temp (°C) | 28 | 28 | 28 | 28 | 28 | 27 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 |
| Precipitation (mm) | 366 | 315 | 269 | 277 | 206 | 169 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 30 | 30 | 30 | 31 | 31 |
| Avg temp (°C) | 27 | 27 | 27 | 27 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 |
| Precipitation (mm) | 198 | 159 | 194 | 267 | 308 | 310 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 19 | 20 | 18 | 17 | 16 | 16 | 15 | 16 | 19 | 17 | 20 |
| Days with high ≥ 32°C (days) | 2 | 2 | 3 | 2 | 0.4 | 0.0 | — | — | 0.0 | — | 0.6 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 19 | 20 | 18 | 17 | 16 |
| Days with high ≥ 32°C (days) | 2 | 2 | 3 | 2 | 0.4 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 15 | 16 | 19 | 17 | 20 |
| Days with high ≥ 32°C (days) | — | — | 0.0 | — | 0.6 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 75 | 69 | 67 | 66 | 65 | 65 | 65 | 70 | 72 | 78 |
| Relative humidity (%) | 82 | 82 | 82 | 81 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 82 |
| Wind speed (mph) | 10.2 | 10.2 | 9.3 | 9.7 | 11.0 | 13.1 | 13.3 | 13.1 | 12.8 | 11.5 | 10.2 | 10.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 75 | 69 | 67 | 66 |
| Relative humidity (%) | 82 | 82 | 82 | 81 | 80 | 80 |
| Wind speed (mph) | 10.2 | 10.2 | 9.3 | 9.7 | 11.0 | 13.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 65 | 65 | 70 | 72 | 78 |
| Relative humidity (%) | 80 | 80 | 80 | 81 | 81 | 82 |
| Wind speed (mph) | 13.3 | 13.1 | 12.8 | 11.5 | 10.2 | 10.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Hihifo (ile Wallis), a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.
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.