Phu Quoc in Fall
In fall (September, October and November), Phu Quoc sees average daytime highs around 28°C and overnight lows near 26°C, with 834 mm of rain over about 70 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 12% of the time across fall, and the air most often feels oppressive.
Fall is Phu Quoc's 3rd-best season to visit on our travel score. Phu Quoc has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Phu Quoc's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 834 mm
- 70 wet days
- Avg wind
- 18 km/h
- Travel score
- 4.0
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Phu Quoc in Fall
Across fall, daytime highs hold fairly steady around 28°C.
A typical fall day in Phu Quoc reaches about 28°C and drops to 26°C overnight. The warmest of the three months is November, the coolest September.
How fall really feels in Phu Quoc
Once humidity and wind are folded in, fall brings about 18 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Phu Quoc weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 25° | 34 | 8.3 | 11.5 | 6.7 |
| Feb | 28° / 26° | 27 | 7.9 | 11.7 | 6.8 |
| Mar | 28° / 27° | 64 | 13.4 | 11.9 | 5.5 |
| Apr | 29° / 27° | 123 | 19.4 | 12.2 | 4.3 |
| May | 29° / 27° | 318 | 27.3 | 12.5 | 3.2 |
| Jun | 29° / 27° | 372 | 26.7 | 12.6 | 3.2 |
| Jul | 28° / 26° | 401 | 28.1 | 12.5 | 3.3 |
| Aug | 28° / 26° | 377 | 27.3 | 12.3 | 3.6 |
| Sep | 28° / 26° | 393 | 26.7 | 12.1 | 3.6 |
| Oct | 28° / 26° | 323 | 27 | 11.8 | 3.7 |
| Nov | 28° / 26° | 118 | 15.9 | 11.5 | 4.8 |
| Dec | 28° / 26° | 45 | 9 | 11.4 | 6.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 12% of the time across fall.
Chance of precipitation in Fall
Phu Quoc gets around 834 mm of rain over 70 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 18 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early September to 11 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.9 kWh/m².
Hazard calendar for Phu Quoc
In fall, Phu Quoc overlaps 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.
Is fall a good time to visit Phu Quoc?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Phu Quoc for sightseeing.
What to pack for Phu Quoc in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, 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 70 days see rain.
Sea temperature near Phu Quoc in Fall
The nearest coast averages about 29°C across fall — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Phu Quoc in Fall
Clear-sky midday UV across fall averages around 11 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 10 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Phu Quoc in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 29 | 33 | 28 | 23 | 17 | 14 | 15 | 13 | 14 | 18 | 21 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 33 | Moderate |
| Mar | 28 | Moderate |
| Apr | 23 | Moderate |
| May | 17 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 14 | Moderate |
| Oct | 18 | Moderate |
| Nov | 21 | Moderate |
| Dec | 21 | Moderate |
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.
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.
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
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.