Stung Treng in Summer
In summer (June, July and August), Stung Treng sees average daytime highs around 31°C and overnight lows near 25°C, with 846 mm of rain over about 82 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels miserable.
Summer is Stung Treng's 3rd-best season to visit on our travel score. For the whole year in context, see Stung Treng's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 846 mm
- 82 wet days
- Avg wind
- 7 km/h
- Travel score
- 2.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Stung Treng in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Stung Treng reaches about 31°C and drops to 25°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Stung Treng
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.
Stung Treng 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 | 33° / 22° | 5 | 0.8 | 11.3 | 4.4 |
| Feb | 35° / 24° | 6 | 1.5 | 11.5 | 3.3 |
| Mar | 36° / 26° | 44 | 6.2 | 11.9 | 2.3 |
| Apr | 35° / 26° | 98 | 14 | 12.3 | 2.1 |
| May | 33° / 26° | 215 | 24.9 | 12.6 | 2.1 |
| Jun | 32° / 25° | 245 | 25.7 | 12.8 | 2.4 |
| Jul | 31° / 25° | 293 | 27.7 | 12.7 | 2.5 |
| Aug | 31° / 25° | 308 | 28.2 | 12.4 | 2.5 |
| Sep | 31° / 25° | 319 | 27.9 | 12.1 | 2.5 |
| Oct | 31° / 24° | 191 | 20.6 | 11.7 | 3.3 |
| Nov | 32° / 23° | 66 | 8.1 | 11.4 | 4.4 |
| Dec | 32° / 22° | 16 | 2.4 | 11.2 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
Stung Treng gets around 846 mm of rain over 82 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 42 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 4.7 kWh/m².
Hazard calendar for Stung Treng
In summer, Stung Treng overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Stung Treng sits in the Pacific typhoon belt; the season peaks July–October.
Stung Treng's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Stung Treng?
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 Stung Treng.
What to pack for Stung Treng in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Stung Treng sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 82 days see rain.
UV index in Stung Treng in Summer
Clear-sky midday UV across summer averages 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 Stung Treng peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 8 (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) | 10 | 11 | 11 | 12 | 11 | 12 | 12 | 14 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Stung Treng 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 Stung Treng is worst in March — around 88 µg/m³ PM2.5 (unhealthy), about 11.9× the cleanest month (November, 7 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) | 42 | 85 | 88 | 42 | 18 | 14 | 15 | 13 | 12 | 11 | 7 | 10 |
| Level | Poor | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 85 | Unhealthy |
| Mar | 88 | Unhealthy |
| Apr | 42 | Poor |
| May | 18 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 7 | Good |
| Dec | 10 | Good |
Where is Stung Treng?
Stung Treng sits at 13.5°N, 106.0°E, 55 m above sea level, in Cambodia. The nearest listed city is Lumphat, 109 km away.
Topography around Stung Treng
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Stung Treng.
Within 3 km, the terrain around Stung Treng has only modest variations in elevation — a maximum elevation change of 45 m around an average of 56 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, large variations in elevation — a maximum elevation change of 639 m.
The land around Stung Treng is covered by grassland (30%), water (26%) and trees (25%) within 3 km, trees (39%) and grassland (37%) within 16 km, and trees (71%) within 80 km.
Cambodia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / C / G
- 230 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $2,872
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 1.8
- per 100k, 2011
- Road deaths
- 19.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Very low
- EF EPI 390
- 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 Stung Treng (13.5259°, 105.9683°, elevation 55 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.