Phan Thiết weather in August

In August, Phan Thiết sees average daytime highs of 30°C and overnight lows near 24°C, with 211 mm of rain across 27 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 4% of the time in August, and the air most often feels oppressive.

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 Phan Thiết's 10th-clearest and 1st-windiest month. For the whole year in context, see Phan Thiết's year-round climate.

Daytime high
30°
6th warmest
Overnight low
24°
9th coldest
Rainfall
211 mm
27 wet days
Daylight
12 h 24 min
5:41 AM – 6:03 PM
Cloud cover
84%
10th clearest
Wind
11 km/h
1st windiest
Solar energy
5.35 kWh/m²
Travel score
3.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Phan Thiết reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How August really feels in Phan Thiết

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.

Phan Thiết weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°182.311.46.3
Feb30° / 21°71.411.66.2
Mar31° / 23°27511.95.4
Apr31° / 24°7012.612.24.1
May31° / 25°18825.512.52.8
Jun30° / 25°21225.812.62.9
Jul30° / 24°21327.212.63.0
Aug30° / 24°2112712.43.0
Sep30° / 24°23926.112.13.0
Oct30° / 24°26025.611.83.3
Nov30° / 23°11312.811.54.8
Dec29° / 22°687.411.45.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31387
41387
51387
61387
71486
81486
91585
101585
111585
121585
131486
141486
151486
161387
171387
181387
191387
201387
211288
221288
231288
241288
251288
261288
271288
281387
291387
301387
311486

Chance of precipitation in August

Any precipitation

Phan Thiết gets around 211 mm of rain over 27 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 86% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
386
486
586
686
786
886
986
1086
1186
1286
1386
1486
1586
1687
1787
1887
1988
2088
2188
2288
2388
2487
2587
2686
2785
2885
2984
3084
3184

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17921
27822
37822
47723
57723
67624
77525
87426
97327
107228
117129
127030
136931
146832
156733
166634
176535
186436
196337
206337
216337
226337
236337
246436
256436
266436
276535
286535
296634
306634
316733

Wind in August

Winds average 11 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
319calm

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 5:39 AM to 5:41 AM, and sunset from 6:08 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:396:08
212.55:396:08
312.55:396:08
412.55:406:07
512.55:406:07
612.45:406:07
712.45:406:06
812.45:406:06
912.45:406:06
1012.45:406:05
1112.45:406:05
1212.45:406:04
1312.45:416:04
1412.45:416:04
1512.45:416:03
1612.45:416:03
1712.45:416:02
1812.35:416:02
1912.35:416:01
2012.35:416:01
2112.35:416:00
2212.35:416:00
2312.35:415:59
2412.35:415:58
2512.35:415:58
2612.35:415:57
2712.35:415:57
2812.35:415:56
2912.25:415:56
3012.25:415:55
3112.25:415:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 6.54 kWh/m² in March across the year — August's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Phan Thiết

In seasonPeak

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

Phan Thiết sits in the Pacific typhoon belt; the season peaks July–October.

Phan Thiết'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 Phan Thiết?

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

3.0
Sightseeing
8th-best month of the year
4.1
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Phan Thiết.

What to pack for Phan Thiết in August

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

In August, Phan Thiết sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Phan Thiết in August

The nearest coast averages about 28°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 29°C and coldest in January near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar27Warm
Apr28Tropical
May29Tropical
Jun28Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct28Tropical
Nov27Warm
Dec26Warm

UV index in Phan Thiết in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phan Thiết peaks around May 10 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 highMay 10UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Phan Thiết 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 Phan Thiết is worst in October — around 32 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1432 µg/m³Feb 1123 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb23Moderate
Mar26Moderate
Apr28Moderate
May28Moderate
Jun29Moderate
Jul26Moderate
Aug26Moderate
Sep30Moderate
Oct32Moderate
Nov28Moderate
Dec26Moderate
Location & terrain

Where is Phan Thiết?

Phan Thiết sits at 10.9°N, 108.1°E, 10 m above sea level, in Vietnam. The nearest listed city is Mui Ne, 20 km away.

Đưc TrọngXuân Lộc

Topography around Phan Thiết

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

Within 3 km, the terrain around Phan Thiết has only modest variations in elevation — a maximum elevation change of 44 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 361 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,844 m.

The land around Phan Thiết is covered by artificial surfaces (44%) and water (33%) within 3 km, water (37%), trees (30%) and grassland (21%) within 16 km, and trees (46%) and water (36%) within 80 km.

3 km
44 m
16 km
361 m
80 km
1,844 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Mui Ne 20 km · La Gi 47 km · Ấp Bình Châu 74 km · Bảo Lộc 76 km · Thị Trấn Phước Bửu 88 km · Long Khánh 93 km · Đưc Trọng 94 km · Xuân Lộc 95 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 Phan Thiết (10.9289°, 108.1021°, 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. 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).