Phu Quoc weather in August

In August, Phu Quoc sees average daytime highs of 28°C and overnight lows near 26°C, with 377 mm of rain across 27.3 wet days and about 12.3 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Phu Quoc's 12th-clearest and 1st-windiest month. For the whole year in context, see Phu Quoc's year-round climate.

Daytime high
28°
8th warmest
Overnight low
26°
7th coldest
Rainfall
377 mm
27.3 wet days
Daylight
12 h 18 min
5:58 AM – 6:18 PM
Cloud cover
88%
12th clearest
Wind
26 km/h
1st windiest
Solar energy
4.83 kWh/m²
Travel score
3.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Phu Quoc reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How August really feels in Phu Quoc

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Phu Quoc weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°348.311.56.7
Feb28° / 26°277.911.76.8
Mar28° / 27°6413.411.95.5
Apr29° / 27°12319.412.24.3
May29° / 27°31827.312.53.2
Jun29° / 27°37226.712.63.2
Jul28° / 26°40128.112.53.3
Aug28° / 26°37727.312.33.6
Sep28° / 26°39326.712.13.6
Oct28° / 26°3232711.83.7
Nov28° / 26°11815.911.54.8
Dec28° / 26°45911.46.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5892
6892
7892
8892
9892
10892
11991
12991
13991
14991
15892
16892
17892
18892
19892
20892
21793
22793
23793
24892
25892
26892
27892
28793
29892
30892
31892

Chance of precipitation in August

Any precipitation

Phu Quoc gets around 377 mm of rain over 27.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
291
391
490
590
689
789
888
988
1087
1187
1287
1386
1486
1586
1686
1786
1886
1986
2087
2187
2287
2388
2488
2588
2688
2788
2888
2988
3088
3188

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11387
21288
31288
41288
51288
61288
71189
81189
91189
101189
111090
121090
131090
141090
151090
161090
171090
181189
191189
201189
211189
221288
231288
241387
251387
261387
271486
281486
291585
301585
311684

Wind in August

Winds average 26 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 24 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1526breezy
1626breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2824breezy
2924breezy
3024breezy
3124breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:57 AM to 5:58 AM, and sunset from 6:24 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:576:24
212.45:576:24
312.45:576:23
412.45:576:23
512.45:576:23
612.45:576:22
712.45:576:22
812.45:576:22
912.45:586:21
1012.45:586:21
1112.45:586:21
1212.45:586:20
1312.45:586:20
1412.45:586:19
1512.35:586:19
1612.35:586:18
1712.35:586:18
1812.35:586:17
1912.35:586:17
2012.35:586:16
2112.35:586:16
2212.35:586:15
2312.35:586:15
2412.35:586:14
2512.35:586:14
2612.35:586:13
2712.25:586:13
2812.25:586:12
2912.25:586:12
3012.25:586:11
3112.25:586:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.33 kWh/m² in March across the year — August's 4.83 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Phu Quoc

In seasonPeak

In August, Phu Quoc sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Phu Quoc sits in the Pacific typhoon belt; the season peaks July–October.

Phu Quoc's rainy season runs May–October, when most of the year's rain falls.

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

Is August a good time to visit Phu Quoc?

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

3.6
Sightseeing
8th-best month of the year
3.9
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Phu Quoc.

What to pack for Phu Quoc in August

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

In August, Phu Quoc sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 27 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Phu Quoc in August

The nearest coast averages about 29°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 15 km away) is warmest in May at about 31°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Phu Quoc in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phu Quoc peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 19UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Extreme
Nov10Very high
Dec9Very high

Air quality in Phu Quoc in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Phu Quoc is worst in February — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1332 µg/m³Aug 2013 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb33Moderate
Mar28Moderate
Apr23Moderate
May17Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct18Moderate
Nov21Moderate
Dec21Moderate
Location & terrain

Where is Phu Quoc?

Phu Quoc sits at 10.2°N, 104.0°E, 11 m above sea level, in Vietnam. The nearest listed city is Hàm Ninh, 10 km away.

Kiên HảiTịnh BiênCô Tô

Topography around Phu Quoc

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

Within 3 km, the terrain around Phu Quoc has only modest variations in elevation — a maximum elevation change of 205 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, large variations in elevation — a maximum elevation change of 1,080 m.

The land around Phu Quoc is covered by trees (49%) and artificial surfaces (24%) within 3 km, water (51%) and trees (42%) within 16 km, and water (71%) within 80 km.

3 km
205 m
16 km
465 m
80 km
1,080 m
treesgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Hàm Ninh 10 km · Kep 47 km · Kampot 49 km · Hà Tiên 59 km · Sihanoukville 65 km · Kiên Hải 100 km · Tịnh Biên 113 km · Cô Tô 115 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Phu Quoc (10.2241°, 103.9716°, elevation 11 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).