Cu Chi in Winter
In winter (December, January and February), Cu Chi sees average daytime highs around 32°C and overnight lows near 23°C, with 79 mm of rain over about 13 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 31°C in early December to 34°C by late February. The sky is clear or mostly clear about 29% of the time across winter, and the air most often feels muggy.
Winter is Cu Chi's best season of the year to visit on our travel score. For the whole year in context, see Cu Chi's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 79 mm
- 13 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.4
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Cu Chi in Winter
Over the season highs climb from about 31°C in early December to 34°C by late February.
A typical winter day in Cu Chi reaches about 32°C and drops to 23°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Cu Chi
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cu Chi 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 | 32° / 23° | 21 | 3.7 | 11.4 | 4.5 |
| Feb | 33° / 24° | 9 | 1.6 | 11.6 | 4.2 |
| Mar | 34° / 25° | 28 | 5.3 | 11.9 | 3.2 |
| Apr | 35° / 26° | 79 | 12.7 | 12.2 | 2.4 |
| May | 34° / 26° | 209 | 24.2 | 12.5 | 2.0 |
| Jun | 32° / 25° | 254 | 27 | 12.6 | 2.2 |
| Jul | 31° / 25° | 279 | 29.1 | 12.6 | 2.3 |
| Aug | 31° / 25° | 286 | 29 | 12.4 | 2.3 |
| Sep | 31° / 25° | 312 | 28.4 | 12.1 | 2.3 |
| Oct | 31° / 24° | 261 | 25.6 | 11.8 | 2.7 |
| Nov | 31° / 24° | 115 | 14.6 | 11.5 | 3.7 |
| Dec | 31° / 23° | 49 | 7.8 | 11.4 | 4.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 29% of the time across winter.
Chance of precipitation in Winter
Cu Chi gets around 79 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 muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 24 min in early December to 11 h 48 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 5.2 kWh/m².
Hazard calendar for Cu Chi
None of Cu Chi's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Cu Chi's rainy season runs May–October, when most of the year's rain falls.
Is winter a good time to visit Cu Chi?
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 Cu Chi for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cu Chi in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Cu Chi sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 13 days see rain.
UV index in Cu Chi in Winter
Clear-sky midday UV across winter 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 Cu Chi peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 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) | 9 | 11 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 9 | 8 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Cu Chi 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 Cu Chi is worst in January — around 54 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (August, 29 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) | 54 | 49 | 47 | 44 | 39 | 34 | 31 | 29 | 35 | 43 | 48 | 46 |
| Level | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 54 | Poor |
| Feb | 49 | Poor |
| Mar | 47 | Poor |
| Apr | 44 | Poor |
| May | 39 | Poor |
| Jun | 34 | Moderate |
| Jul | 31 | Moderate |
| Aug | 29 | Moderate |
| Sep | 35 | Moderate |
| Oct | 43 | Poor |
| Nov | 48 | Poor |
| Dec | 46 | Poor |
Where is Cu Chi?
Cu Chi sits at 11.0°N, 106.5°E, 14 m above sea level, in Vietnam. The nearest listed city is Trảng Bàng, 16 km away.
Topography around Cu Chi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cu Chi.
Within 3 km, the terrain around Cu Chi has only modest variations in elevation — a maximum elevation change of 29 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, large variations in elevation — a maximum elevation change of 1,016 m.
The land around Cu Chi is covered by artificial surfaces (38%) and trees (37%) within 3 km, trees (40%) and cropland (25%) within 16 km, and trees (47%) and cropland (31%) 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 Cu Chi (10.9733°, 106.4933°, elevation 14 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.