Cu Chi weather in December

In December, Cu Chi sees average daytime highs of 31°C and overnight lows near 23°C, with 49 mm of rain across 7.8 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Cu Chi's 5th-clearest and 8th-windiest month. For the whole year in context, see Cu Chi's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
2nd coldest
Rainfall
49 mm
7.8 wet days
Daylight
11 h 24 min
6:09 AM – 5:31 PM
Cloud cover
68%
5th clearest
Wind
7 km/h
8th windiest
Solar energy
4.6 kWh/m²
Travel score
4.4
out of 10

Cu Chi is township and capital of Củ Chi District, Ho Chi Minh City.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Cu Chi reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313223

How December really feels in Cu Chi

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cu Chi weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°213.711.44.5
Feb33° / 24°91.611.64.2
Mar34° / 25°285.311.93.2
Apr35° / 26°7912.712.22.4
May34° / 26°20924.212.52.0
Jun32° / 25°2542712.62.2
Jul31° / 25°27929.112.62.3
Aug31° / 25°2862912.42.3
Sep31° / 25°31228.412.12.3
Oct31° / 24°26125.611.82.7
Nov31° / 24°11514.611.53.7
Dec31° / 23°497.811.44.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53664
63664
73565
83565
93664
103664
113664
123664
133664
143664
153763
163763
173763
183763
193862
203763
213664
223664
233763
243862
253862
263862
273862
283961
294060
304159
314159

Chance of precipitation in December

Any precipitation

Cu Chi gets around 49 mm of rain over 7.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
335
434
534
633
732
832
931
1030
1130
1229
1328
1427
1527
1626
1725
1824
1923
2022
2121
2220
2320
2419
2518
2617
2717
2816
2916
3016
3115

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
105214232
205224231
305234229
405244228
506254326
606264425
706264423
806274521
916284620
1017284718
1117284717
1217294715
1318294814
1419294813
1519304812
16210304711
17211304711
18212304610
19212314510
2021331449
2131432439
2231433428
2331434418
2431434417
2531435417
2631436416
2731436416
2831437416
2931338415
3031238425
3131239424

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:02 AM to 6:16 AM, and sunset from 5:26 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:025:26
211.46:025:26
311.46:035:26
411.46:035:27
511.46:045:27
611.46:045:27
711.46:055:28
811.46:055:28
911.46:065:28
1011.46:065:29
1111.46:075:29
1211.46:075:29
1311.46:085:30
1411.46:085:30
1511.46:095:31
1611.46:095:31
1711.46:105:31
1811.46:105:32
1911.46:115:32
2011.46:115:33
2111.46:125:33
2211.46:125:34
2311.46:135:34
2411.46:135:35
2511.46:145:35
2611.46:145:36
2711.46:155:36
2811.46:155:37
2911.46:155:37
3011.46:165:38
3111.46:165:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.1 kWh/m² in March across the year — December's 4.6 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Cu Chi

In seasonPeak

None of Cu Chi's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cu Chi's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Cu Chi?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.4
Sightseeing
2nd-best month of the year
6.7
Beach & pool
3rd-best month of the year

December 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 December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Cu Chi sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Cu Chi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 22UV 13Nov 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov8Very high
Dec9Very high

Air quality in Cu Chi in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1853 µg/m³Aug 1229 µg/m³
PM2.5 (µg/m³)Level
Jan54Poor
Feb49Poor
Mar47Poor
Apr44Poor
May39Poor
Jun34Moderate
Jul31Moderate
Aug29Moderate
Sep35Moderate
Oct43Poor
Nov48Poor
Dec46Poor
Location & terrain

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.

3 km
29 m
16 km
51 m
80 km
1,016 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Trảng Bàng 16 km · Thủ Dầu Một 17 km · Ho Chi Minh City 22 km · Bến Cát 23 km · Thuận An 25 km · Tân Bình 26 km · Gò Vấp 27 km · Quận Mười Một 28 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
none 86%Catholic 6%Buddhist 6%Protestant 1%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).