Sekong in Spring
In spring (March, April and May), Sekong sees average daytime highs around 31°C and overnight lows near 21°C, with 482 mm of rain over about 61 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 20% of the time across spring, and the air most often feels oppressive.
Spring is Sekong's 3rd-best season to visit on our travel score. For the whole year in context, see Sekong's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 482 mm
- 61 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.3
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Sekong in Spring
Across spring, daytime highs hold fairly steady around 31°C.
A typical spring day in Sekong reaches about 31°C and drops to 21°C overnight. The warmest of the three months is April, the coolest March.
How spring really feels in Sekong
Once humidity and wind are folded in, spring brings about 85 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sekong weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 20% of the time across spring.
Chance of precipitation in Spring
Sekong gets around 482 mm of rain over 61 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 3 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early March to 12 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Hazard calendar for Sekong
In spring, 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 spring a good time to visit Sekong?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Sekong.
What to pack for Sekong in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sekong sees daytime highs around 31°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 61 days see rain.
UV index in Sekong in Spring
Clear-sky midday UV across spring averages around 10 (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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.