Sekong in Winter
In winter (December, January and February), Sekong sees average daytime highs around 29°C and overnight lows near 17°C, with 42 mm of rain over about 9 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Over the season highs climb from about 28°C in early December to 31°C by late February. The sky is clear or mostly clear about 43% of the time across winter, and the air most often feels humid.
Winter is Sekong's best 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
- 29°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 42 mm
- 9 wet days
- Avg wind
- 5 km/h
- Travel score
- 6.6
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Sekong in Winter
Over the season highs climb from about 28°C in early December to 31°C by late February.
A typical winter day in Sekong reaches about 29°C and drops to 17°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Sekong
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sekong weather by month
How the three winter months (December, January and February) 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 Winter
The sky is clear or mostly clear about 43% of the time across winter.
Chance of precipitation in Winter
Sekong gets around 42 mm of rain over 9 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 12 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.1 kWh/m².
Hazard calendar for Sekong
None of Sekong's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Sekong's monsoon runs May–October, when most of the year's rain falls.
Is winter a good time to visit Sekong?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Sekong for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sekong in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Sekong sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 9 days see rain.
UV index in Sekong in Winter
Clear-sky midday UV across winter averages around 9 (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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.