Thị Trấn Na Dương in Winter
In winter (December, January and February), Thị Trấn Na Dương sees average daytime highs around 18°C and overnight lows near 12°C, with 129 mm of rain over about 26 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 18°C. The sky is clear or mostly clear about 18% of the time across winter, and the air most often feels dry.
Winter is Thị Trấn Na Dương's 2nd-best season to visit on our travel score. For the whole year in context, see Thị Trấn Na Dương's year-round climate.
- Avg daytime high
- 18°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 129 mm
- 26 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.7
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Thị Trấn Na Dương in Winter
Across winter, daytime highs hold fairly steady around 18°C.
A typical winter day in Thị Trấn Na Dương reaches about 18°C and drops to 12°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Thị Trấn Na Dương
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.
Thị Trấn Na Dương 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 | 17° / 11° | 50 | 9.5 | 10.8 | 5.1 |
| Feb | 18° / 12° | 37 | 8.6 | 11.3 | 5.7 |
| Mar | 21° / 16° | 71 | 12.6 | 11.8 | 5.8 |
| Apr | 26° / 20° | 87 | 14.1 | 12.5 | 5.7 |
| May | 29° / 23° | 204 | 20.8 | 13 | 4.1 |
| Jun | 30° / 24° | 236 | 23.6 | 13.3 | 3.1 |
| Jul | 30° / 25° | 251 | 24.3 | 13.2 | 3.1 |
| Aug | 30° / 24° | 272 | 25.2 | 12.7 | 3.1 |
| Sep | 29° / 23° | 161 | 18.3 | 12.1 | 4.3 |
| Oct | 27° / 20° | 75 | 10.5 | 11.5 | 6.6 |
| Nov | 23° / 16° | 49 | 8 | 11 | 7.1 |
| Dec | 19° / 12° | 42 | 7.7 | 10.7 | 6.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 18% of the time across winter.
Chance of precipitation in Winter
Thị Trấn Na Dương gets around 129 mm of rain over 26 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 9 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 2.5 kWh/m².
Hazard calendar for Thị Trấn Na Dương
None of Thị Trấn Na Dương's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Thị Trấn Na Dương's monsoon runs May–September, when most of the year's rain falls.
Is winter a good time to visit Thị Trấn Na Dương?
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 Thị Trấn Na Dương for sightseeing.
What to pack for Thị Trấn Na Dương in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Thị Trấn Na Dương sees daytime highs around 18°C and nights near 12°C. Worth packing: a warm layer and rain gear. About 26 days see rain.
UV index in Thị Trấn Na Dương in Winter
Clear-sky midday UV across winter averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Thị Trấn Na Dương peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 6 (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 | 7 | 9 | 7 | 9 | 12 | 12 | 9 | 9 | 8 | 6 | 6 |
| Level | High | High | Very high | Very high | Very high | Extreme | Extreme | Very high | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 7 | Very high |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 6 | High |
Air quality in Thị Trấn Na Dương 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 Thị Trấn Na Dương is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (July, 19 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) | 47 | 47 | 45 | 47 | 31 | 22 | 19 | 21 | 26 | 32 | 36 | 43 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 47 | Poor |
| Feb | 47 | Poor |
| Mar | 45 | Poor |
| Apr | 47 | Poor |
| May | 31 | Moderate |
| Jun | 22 | Moderate |
| Jul | 19 | Moderate |
| Aug | 21 | Moderate |
| Sep | 26 | Moderate |
| Oct | 32 | Moderate |
| Nov | 36 | Poor |
| Dec | 43 | Poor |
Where is Thị Trấn Na Dương?
Thị Trấn Na Dương sits at 21.7°N, 107.0°E, 287 m above sea level, in Vietnam. The nearest listed city is Lạng Sơn, 26 km away.
Topography around Thị Trấn Na Dương
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Na Dương.
Within 3 km, the terrain around Thị Trấn Na Dương has only modest variations in elevation — a maximum elevation change of 193 m around an average of 294 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,313 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,567 m.
The land around Thị Trấn Na Dương is covered by trees (47%) and cropland (22%) within 3 km, trees (78%) within 16 km, and trees (87%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- 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 Thị Trấn Na Dương (21.7025°, 106.9555°, elevation 287 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.