Sekong in Summer
In summer (June, July and August), Sekong sees average daytime highs around 28°C and overnight lows near 22°C, with 978 mm of rain over about 90 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Sekong's weakest season of the year to visit on our travel score. For the whole year in context, see Sekong's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 978 mm
- 90 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Sekong in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Sekong reaches about 28°C and drops to 22°C overnight. The warmest of the three months is June, the coolest July.
How summer really feels in Sekong
Once humidity and wind are folded in, summer brings about 17 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.
Sekong 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 | 29° / 16° | 8 | 2 | 11.2 | 6.9 |
| Feb | 30° / 18° | 18 | 4.5 | 11.5 | 5.6 |
| Mar | 32° / 20° | 72 | 11.5 | 11.9 | 4.2 |
| Apr | 32° / 22° | 138 | 21.2 | 12.3 | 3.0 |
| May | 30° / 22° | 272 | 28.3 | 12.7 | 2.7 |
| Jun | 29° / 22° | 276 | 28.8 | 12.9 | 2.9 |
| Jul | 28° / 22° | 350 | 30.4 | 12.8 | 3.2 |
| Aug | 28° / 22° | 352 | 30.3 | 12.5 | 3.3 |
| Sep | 28° / 22° | 341 | 28.2 | 12.1 | 3.4 |
| Oct | 28° / 20° | 180 | 18.7 | 11.7 | 4.5 |
| Nov | 28° / 19° | 68 | 7.5 | 11.3 | 6.1 |
| Dec | 28° / 17° | 15 | 2.7 | 11.1 | 7.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Sekong gets around 978 mm of rain over 90 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 48 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 4.2 kWh/m².
Hazard calendar for Sekong
In summer, Sekong overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Sekong's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Sekong?
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 Sekong.
What to pack for Sekong in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sekong sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 90 days see rain.
UV index in Sekong 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 Sekong peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 | 9 | 9 | 11 | 11 | 12 | 13 | 14 | 12 | 11 | 9 | 8 |
| Level | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 9 | Very high |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Sekong 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 Sekong is worst in March — around 185 µg/m³ PM2.5 (very unhealthy), about 26.0× 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) | 16 | 63 | 185 | 66 | 16 | 11 | 11 | 10 | 9 | 9 | 7 | 8 |
| Level | Moderate | Unhealthy | Very unhealthy | Unhealthy | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 63 | Unhealthy |
| Mar | 185 | Very unhealthy |
| Apr | 66 | Unhealthy |
| May | 16 | Moderate |
| Jun | 11 | Good |
| Jul | 11 | Good |
| Aug | 10 | Good |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Sekong?
Sekong sits at 15.3°N, 106.7°E, 148 m above sea level, in Laos. The nearest listed city is Ban Laongam, 61 km away.
Topography around Sekong
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sekong.
Within 3 km, the terrain around Sekong has only modest variations in elevation — a maximum elevation change of 159 m around an average of 158 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,120 m.
The land around Sekong is covered by trees (60%) within 3 km, trees (83%) within 16 km, and trees (83%) within 80 km.
Laos travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $2,325
- 2025
- Happiness
- 5.5 / 10
- World Happiness, 2025
- Safe drinking water
- 35%
- of population, 2024
- Road deaths
- 17.9
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 461
- 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 Sekong (15.3458°, 106.7237°, elevation 148 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.