Mata-Utu climate

Name: Mata-Utu
Address: WF

Mata-Utu is warmest in April, with average highs of 28 °C, and coldest in September, when nights average 26 °C. January is the wettest month (357 mm) and August the driest (114 mm). Figures are 1991–2020 climate normals.

Across a full year Mata-Utu averages 2,730 mm of rain and 365 days above 25 °C.

Wallis and Futuna · population 1,200 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 28 °C
Coldest month September 26 °C
Driest month August 114 mm
Wettest month January 357 mm
Least cloud August 51 % cloud
Hottest on record February 30 °C
Coldest on record October 24 °C
Warmest sea March 29 °C

What to expectMata-Utu through the year

Mata-Utu changes little through the year. Average daily highs stay between 27 and 28 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 0 of them reach 30 °C. The warmest reading in the 1991–2020 record is 30 °C, in February.

Rain is strongly seasonal. January averages 357 mm against 114 mm in August — 3.1 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Mata-Utu is warmest in March at 29 °C and coldest in August at 28 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.0 °C	357 mm	80 %
February	28.0 °C	328 mm	79 %
March	28.0 °C	300 mm	74 %
April	28.1 °C	235 mm	68 %
May	27.9 °C	183 mm	61 %
June	27.6 °C	146 mm	57 %
July	27.2 °C	121 mm	52 %
August	27.1 °C	114 mm	51 %
September	27.1 °C	146 mm	54 %
October	27.3 °C	218 mm	64 %
November	27.7 °C	261 mm	71 %
December	27.9 °C	321 mm	77 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	28.0 °C	26.3 °C	27.2 °C	30.0 °C	24.7 °C	31
February	28.0 °C	26.3 °C	27.2 °C	30.3 °C	24.5 °C	28
March	28.0 °C	26.3 °C	27.2 °C	29.7 °C	24.2 °C	31
April	28.1 °C	26.4 °C	27.3 °C	29.9 °C	24.5 °C	30
May	27.9 °C	26.4 °C	27.2 °C	29.9 °C	24.0 °C	31
June	27.6 °C	26.2 °C	26.9 °C	29.2 °C	24.3 °C	30
July	27.2 °C	25.8 °C	26.5 °C	28.7 °C	24.0 °C	31
August	27.1 °C	25.8 °C	26.4 °C	28.6 °C	24.0 °C	31
September	27.1 °C	25.7 °C	26.5 °C	28.4 °C	24.0 °C	30
October	27.3 °C	25.8 °C	26.6 °C	29.1 °C	23.5 °C	31
November	27.7 °C	26.0 °C	26.9 °C	29.1 °C	23.8 °C	30
December	27.9 °C	26.2 °C	27.1 °C	29.8 °C	24.6 °C	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	357 mm	26	13 h/day	80 %	83 %	25 km/h	29.2 °C
February	328 mm	23	13 h/day	79 %	83 %	25 km/h	29.2 °C
March	300 mm	26	12 h/day	74 %	83 %	23 km/h	29.3 °C
April	235 mm	24	12 h/day	68 %	82 %	24 km/h	29.3 °C
May	183 mm	21	12 h/day	61 %	81 %	26 km/h	29.1 °C
June	146 mm	20	11 h/day	57 %	81 %	31 km/h	28.6 °C
July	121 mm	19	11 h/day	52 %	81 %	31 km/h	28.1 °C
August	114 mm	18	12 h/day	51 %	81 %	31 km/h	28.0 °C
September	146 mm	20	12 h/day	54 %	82 %	30 km/h	28.0 °C
October	218 mm	23	12 h/day	64 %	82 %	27 km/h	28.4 °C
November	261 mm	24	13 h/day	71 %	82 %	25 km/h	28.9 °C
December	321 mm	25	13 h/day	77 %	83 %	25 km/h	29.2 °C

Where Mata-Utu ranks

Ranking	Position	Value
Warmest sea temperatures in the world in February	17thof 50	29 °C
Warmest sea temperatures in the world in January	18thof 50	29 °C
Warmest sea temperatures in the world in December	31stof 50	29 °C
Warmest sea temperatures in the world in March	34thof 50	29 °C

Planning a trip? See the best time to visit Mata-Utu.

QuestionsCommon questions about Mata-Utu’s climate

When is the best time to visit Mata-Utu?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, April is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Mata-Utu get?

In April, the warmest month, daily highs average 28 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 30 °C.

How cold does it get in winter?

Nights average 26 °C in September, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Mata-Utu?

January, averaging 357 mm over 26 days with rain. The driest month is August with 114 mm. The year as a whole averages 2,730 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Mata-Utu rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.