Luang Namtha in Winter
In winter (December, January and February), Luang Namtha sees average daytime highs around 25°C and overnight lows near 13°C, with 77 mm of rain over about 13 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 24°C in early December to 28°C by late February. The sky is clear or mostly clear about 58% of the time across winter, and the air most often feels dry.
Winter is Luang Namtha's best season of the year to visit on our travel score. For the whole year in context, see Luang Namtha's year-round climate.
- Avg daytime high
- 25°C
- coldest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 77 mm
- 13 wet days
- Avg wind
- 5 km/h
- Travel score
- 8.0
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Luang Namtha in Winter
Over the season highs climb from about 24°C in early December to 28°C by late February.
A typical winter day in Luang Namtha reaches about 25°C and drops to 13°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Luang Namtha
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.
Luang Namtha 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 | 24° / 12° | 31 | 4.4 | 10.9 | 8.2 |
| Feb | 27° / 13° | 18 | 3.4 | 11.3 | 7.8 |
| Mar | 29° / 16° | 47 | 6.9 | 11.9 | 6.0 |
| Apr | 31° / 19° | 100 | 12.2 | 12.5 | 4.6 |
| May | 30° / 22° | 176 | 21 | 13 | 3.6 |
| Jun | 30° / 23° | 195 | 24.3 | 13.2 | 3.1 |
| Jul | 29° / 23° | 304 | 27.7 | 13.1 | 3.1 |
| Aug | 29° / 22° | 325 | 28 | 12.7 | 3.2 |
| Sep | 29° / 22° | 193 | 22.1 | 12.1 | 3.9 |
| Oct | 28° / 20° | 86 | 14.6 | 11.5 | 5.6 |
| Nov | 26° / 16° | 42 | 6.8 | 11 | 7.4 |
| Dec | 24° / 13° | 28 | 4.7 | 10.8 | 8.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 58% of the time across winter.
Chance of precipitation in Winter
Luang Namtha gets around 77 mm of rain over 13 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — 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 10 h 48 min in early December to 11 h 30 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 4.2 kWh/m².
Hazard calendar for Luang Namtha
None of Luang Namtha's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Luang Namtha's monsoon runs May–September, when most of the year's rain falls.
Is winter a good time to visit Luang Namtha?
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 one of the better times to visit Luang Namtha for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Luang Namtha in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Luang Namtha sees daytime highs around 25°C and nights near 13°C. Pack light clothes. Worth having: sun protection. About 13 days see rain.
UV index in Luang Namtha in Winter
Clear-sky midday UV across winter averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Luang Namtha 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 Luang Namtha 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 Luang Namtha is worst in April — around 445 µg/m³ PM2.5 (very unhealthy), about 55.0× the cleanest month (November, 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) | 13 | 30 | 249 | 445 | 64 | 11 | 9 | 9 | 8 | 8 | 8 | 10 |
| Level | Moderate | Moderate | Very unhealthy | Very unhealthy | Unhealthy | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 30 | Moderate |
| Mar | 249 | Very unhealthy |
| Apr | 445 | Very unhealthy |
| May | 64 | Unhealthy |
| Jun | 11 | Good |
| Jul | 9 | Good |
| Aug | 9 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Luang Namtha?
Luang Namtha sits at 20.9°N, 101.4°E, 0 m above sea level, in Laos. The nearest listed city is Muang Sing, 38 km away.
Topography around Luang Namtha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Luang Namtha.
Within 3 km, the terrain around Luang Namtha has only modest variations in elevation — a maximum elevation change of 92 m around an average of 557 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 967 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,643 m.
The land around Luang Namtha is covered by cropland (53%) and trees (33%) within 3 km, trees (90%) within 16 km, and trees (90%) 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 Luang Namtha (20.9486°, 101.4019°, elevation 0 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.