Muang Xay in Spring
In spring (March, April and May), Muang Xay sees average daytime highs around 29°C and overnight lows near 19°C, with 448 mm of rain over about 46 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 41% of the time across spring, and the air most often feels muggy.
Spring is Muang Xay's 3rd-best season to visit on our travel score. For the whole year in context, see Muang Xay's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 448 mm
- 46 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Muang Xay in Spring
Across spring, daytime highs hold fairly steady around 29°C.
A typical spring day in Muang Xay reaches about 29°C and drops to 19°C overnight. The warmest of the three months is April, the coolest March.
How spring really feels in Muang Xay
Once humidity and wind are folded in, spring brings about 6 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.
Muang Xay 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 | 24° / 12° | 32 | 4.3 | 10.9 | 8.2 |
| Feb | 26° / 13° | 20 | 3.8 | 11.3 | 8.0 |
| Mar | 29° / 16° | 65 | 8.6 | 11.9 | 6.2 |
| Apr | 30° / 19° | 145 | 15.3 | 12.5 | 4.6 |
| May | 30° / 21° | 238 | 22.4 | 13 | 3.6 |
| Jun | 29° / 22° | 248 | 25.6 | 13.2 | 3.1 |
| Jul | 28° / 22° | 331 | 28.6 | 13.1 | 3.1 |
| Aug | 28° / 22° | 334 | 28.1 | 12.7 | 3.3 |
| Sep | 28° / 21° | 199 | 22.6 | 12.1 | 4.1 |
| Oct | 27° / 19° | 88 | 14.2 | 11.5 | 5.9 |
| Nov | 25° / 16° | 39 | 6.6 | 11 | 7.6 |
| Dec | 23° / 13° | 30 | 4.6 | 10.8 | 8.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 41% of the time across spring.
Chance of precipitation in Spring
Muang Xay gets around 448 mm of rain over 46 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 6 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early March to 13 h 12 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 5.5 kWh/m².
Hazard calendar for Muang Xay
In spring, Muang Xay overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Muang Xay's monsoon runs May–September, when most of the year's rain falls.
Is spring a good time to visit Muang Xay?
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 reasonable time to visit Muang Xay for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Muang Xay in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Muang Xay sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 46 days see rain.
UV index in Muang Xay 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 Muang Xay peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (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) | 7 | 9 | 10 | 9 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Muang Xay 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 Muang Xay is worst in April — around 583 µg/m³ PM2.5 (very unhealthy), about 75.7× the cleanest month (September, 8 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) | 12 | 24 | 210 | 583 | 74 | 10 | 8 | 8 | 8 | 8 | 8 | 10 |
| Level | Good | Moderate | Very unhealthy | Very unhealthy | Unhealthy | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 24 | Moderate |
| Mar | 210 | Very unhealthy |
| Apr | 583 | Very unhealthy |
| May | 74 | Unhealthy |
| Jun | 10 | Good |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Muang Xay?
Muang Xay sits at 20.7°N, 102.0°E, 652 m above sea level, in Laos. The nearest listed city is Nong Khiaw, 67 km away.
Topography around Muang Xay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Muang Xay.
Within 3 km, the terrain around Muang Xay has significant variations in elevation — a maximum elevation change of 372 m around an average of 683 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,283 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,540 m.
The land around Muang Xay is covered by trees (41%) and cropland (22%) within 3 km, trees (66%) and grassland (27%) within 16 km, and trees (85%) 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 Muang Xay (20.6923°, 101.9837°, elevation 652 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.