Port Vila weather in August

In August, Port Vila sees average daytime highs of 24°C and overnight lows near 23°C, with 57 mm of rain across 7.6 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Port Vila's 5th-clearest and 1st-windiest month. For the whole year in context, see Port Vila's year-round climate.

Daytime high
24°
12th warmest
Overnight low
23°
1st coldest
Rainfall
57 mm
7.6 wet days
Daylight
11 h 24 min
6:09 AM – 5:33 PM
Cloud cover
58%
5th clearest
Wind
28 km/h
1st windiest
Solar energy
4.35 kWh/m²
Travel score
7.4
out of 10

Port Vila is capital and largest city of Vanuatu.

Density
1,521/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical August day in Port Vila reaches about 24°C in the afternoon and slips back to 23°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 25°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12423
22423
32423
42423
52423
62423
72423
82423
92423
102423
112423
122423
132423
142423
152423
162423
172423
182423
192423
202423
212423
222423
232423
242423
252423
262423
272423
282423
292423
302423
312423

Port Vila weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°18617.912.95.3
Feb28° / 26°19219.112.64.8
Mar28° / 26°23721.812.14.7
Apr27° / 26°2091911.65.1
May26° / 25°14612.611.26.2
Jun25° / 24°10410.2116.7
Jul24° / 23°667.8117.3
Aug24° / 23°577.611.47.4
Sep24° / 23°73811.97.3
Oct25° / 24°858.612.47.2
Nov26° / 25°7910.412.86.7
Dec27° / 25°13214.6136.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45545
55545
65446
75446
85347
95347
105347
115347
125347
135347
145347
155347
165248
175248
185248
195248
205248
215248
225248
235248
245248
255248
265347
275446
285446
295545
305545
315545

Chance of precipitation in August

Any precipitation

Port Vila gets around 57 mm of rain over 7.6 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
528
628
728
828
927
1027
1127
1227
1327
1426
1526
1625
1725
1824
1924
2023
2123
2223
2322
2422
2522
2621
2721
2821
2922
3022
3122

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1010304019
2011304019
3011304019
4011294020
5012293920
6012293820
7013293820
8114293620
9114303620
10115303519
11115303419
12116313319
13116313319
14117313319
15117313318
16118303318
17118303318
18118303318
19118293318
20118293318
21118283419
22118283419
23118283419
24118273419
25117273520
26117273520
27117273620
28116263620
29116263621
30116263721
31115263721

Wind in August

Winds average 28 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 28 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
128breezy
228breezy
328breezy
428breezy
528breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy
3128breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 12 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 6:17 AM to 5:58 AM, and sunset from 5:29 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:175:29
211.26:175:29
311.26:165:29
411.26:165:30
511.26:155:30
611.36:155:30
711.36:145:30
811.36:145:31
911.36:135:31
1011.36:135:31
1111.36:125:31
1211.36:115:32
1311.46:115:32
1411.46:105:32
1511.46:105:32
1611.46:095:33
1711.46:085:33
1811.46:085:33
1911.46:075:33
2011.56:065:34
2111.56:065:34
2211.56:055:34
2311.56:045:34
2411.56:035:34
2511.56:035:35
2611.66:025:35
2711.66:015:35
2811.66:005:35
2911.65:595:35
3011.65:595:36
3111.65:585:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.35 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 6.72 kWh/m² in January across the year — August's 4.35 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Bright
54.0Bright
64.0Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Port Vila

In seasonPeak

None of Port Vila's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Port Vila sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Port Vila's rainy season runs December–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Port Vila?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4
Sightseeing
1st-best month of the year
6.3
Beach & pool
5th-best month of the year

August is one of the better times to visit Port Vila for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Port Vila in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Port Vila sees daytime highs around 24°C and nights near 23°C. Pack a windbreaker. Worth having: light clothes. About 8 days see rain.

a windbreakerlight clothes

Sea temperature near Port Vila in August

The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in February at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr28Tropical
May27Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec28Warm

UV index in Port Vila in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port Vila peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 16Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep13Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Port Vila?

Port Vila sits at 17.7°S, 168.3°E, 10 m above sea level, in Vanuatu. The nearest listed city is Ouvéa, 374 km away.

Topography around Port Vila

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Vila.

Within 3 km, the terrain around Port Vila has only modest variations in elevation — a maximum elevation change of 132 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 646 m; within 80 km, large variations in elevation — a maximum elevation change of 631 m.

The land around Port Vila is covered by trees (42%) and water (33%) within 3 km, trees (51%) and water (40%) within 16 km, and water (90%) within 80 km.

3 km
132 m
16 km
646 m
80 km
631 m
treesgrasslandartificial surfaceswater
August weather nearby: Ouvéa 374 km · Bourail 518 km · Dumbéa 528 km · Mont-Dore 535 km · Noumea 541 km · Nadi 964 km · Lautoka 968 km · Sigatoka 973 km

Vanuatu travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$4,039
2025
Safe drinking water
19%
of population, 2024
Homicide rate
0.3
per 100k, 2020
Road deaths
14.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Protestant 40%Roman Catholic 12%other 12%customary beliefs 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Port Vila (-17.7365°, 168.3137°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).