Sơn Trà in Summer
In summer (June, July and August), Sơn Trà sees average daytime highs around 32°C and overnight lows near 27°C, with 344 mm of rain over about 50 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 14% of the time across summer, and the air most often feels miserable.
Summer is Sơn Trà's weakest season of the year to visit on our travel score. For the whole year in context, see Sơn Trà's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 27°C
- Rainfall
- 344 mm
- 50 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Sơn Trà in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Sơn Trà reaches about 32°C and drops to 27°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Sơn Trà
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sơn Trà weather by month
How the three summer months (June, July and August) 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 | 24° / 20° | 178 | 16.9 | 11.2 | 5.7 |
| Feb | 24° / 21° | 90 | 11.2 | 11.5 | 6.6 |
| Mar | 27° / 23° | 87 | 9.7 | 11.9 | 6.7 |
| Apr | 29° / 25° | 76 | 8.7 | 12.4 | 5.6 |
| May | 31° / 26° | 118 | 15.7 | 12.7 | 3.8 |
| Jun | 32° / 28° | 84 | 14.5 | 12.9 | 3.1 |
| Jul | 32° / 27° | 113 | 16.4 | 12.9 | 3.1 |
| Aug | 32° / 27° | 147 | 19.3 | 12.5 | 3.0 |
| Sep | 30° / 26° | 289 | 22.7 | 12.1 | 3.3 |
| Oct | 28° / 25° | 422 | 24.5 | 11.6 | 4.1 |
| Nov | 26° / 23° | 460 | 22.1 | 11.3 | 4.7 |
| Dec | 24° / 21° | 353 | 22.8 | 11.1 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 14% of the time across summer.
Chance of precipitation in Summer
Sơn Trà gets around 344 mm of rain over 50 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².
Hazard calendar for Sơn Trà
In summer, Sơn Trà overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sơn Trà sits in the Pacific typhoon belt; the season peaks July–October.
Sơn Trà's monsoon runs September–December, when most of the year's rain falls.
Is summer a good time to visit Sơn Trà?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Sơn Trà.
What to pack for Sơn Trà in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sơn Trà sees daytime highs around 32°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 50 days see rain.
Sea temperature near Sơn Trà in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 30°C and coldest in February near 23°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) | 24 | 23 | 24 | 25 | 28 | 29 | 29 | 30 | 29 | 28 | 27 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 24 | Refreshing |
| Apr | 25 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Sơn Trà in Summer
Clear-sky midday UV across summer averages 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 Sơn Trà peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (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) | 9 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 11 | 8 | 6 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Very high |
| Mar | 11 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Sơn Trà in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Sơn Trà is worst in March — around 49 µg/m³ PM2.5 (poor), about 3.0× the cleanest month (July, 16 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) | 25 | 29 | 49 | 42 | 28 | 21 | 16 | 17 | 20 | 22 | 21 | 23 |
| Level | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 29 | Moderate |
| Mar | 49 | Poor |
| Apr | 42 | Poor |
| May | 28 | Moderate |
| Jun | 21 | Moderate |
| Jul | 16 | Moderate |
| Aug | 17 | Moderate |
| Sep | 20 | Moderate |
| Oct | 22 | Moderate |
| Nov | 21 | Moderate |
| Dec | 23 | Moderate |
Where is Sơn Trà?
Sơn Trà sits at 16.1°N, 108.2°E, 8 m above sea level, in Vietnam. The nearest listed city is An Hải, 1.0 km away.
Topography around Sơn Trà
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sơn Trà.
Within 3 km, the terrain around Sơn Trà has only modest variations in elevation — a maximum elevation change of 20 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 683 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,755 m.
The land around Sơn Trà is covered by artificial surfaces (62%) and water (28%) within 3 km, water (52%) within 16 km, and trees (45%) and water (45%) 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 Sơn Trà (16.0607°, 108.2326°, elevation 8 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.