Cần Giờ weather in December

In December, Cần Giờ sees average daytime highs of 30°C and overnight lows near 24°C, with 72 mm of rain across 9.8 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 17% 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 Cần Giờ's 6th-clearest and 10th-windiest month. For the whole year in context, see Cần Giờ's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
3rd coldest
Rainfall
72 mm
9.8 wet days
Daylight
11 h 24 min
6:07 AM – 5:30 PM
Cloud cover
71%
6th clearest
Wind
9 km/h
10th windiest
Solar energy
4.65 kWh/m²
Travel score
5.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Cần Giờ reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73024
83024
93024
103024
113024
123024
133024
143024
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Cần Giờ

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.

Cần Giờ weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°243.411.55.9
Feb30° / 24°81.311.75.9
Mar31° / 25°183.511.95.1
Apr32° / 27°5810.612.23.9
May32° / 27°20124.912.52.6
Jun31° / 26°25527.612.62.5
Jul30° / 26°25729.112.52.6
Aug30° / 26°2672912.32.6
Sep30° / 25°30128.412.12.6
Oct30° / 25°27127.311.82.9
Nov30° / 25°14216.411.54.1
Dec30° / 24°729.811.45.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53367
63367
73367
83367
93367
103367
113466
123367
133367
143367
153367
163367
173367
183169
193169
203268
213268
223268
233268
243268
253367
263367
273565
283565
293763
303763
313961

Chance of precipitation in December

Any precipitation

Cần Giờ gets around 72 mm of rain over 9.8 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 32% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
439
539
638
738
838
938
1037
1137
1236
1336
1435
1534
1634
1733
1832
1931
2030
2129
2227
2326
2425
2524
2623
2722
2821
2920
3019
3118

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1084943
2095041
3095239
4095338
50105436
60105634
70115732
80115831
90125929
100126127
110136126
120136324
130146323
140156421
151156420
161166419
171176517
181186516
191186615
201196614
211216513
221226512
231236511
241246411
251256410
26126649
27127639
28128638
29128638
30129637
31129646

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
3010calm
3110calm

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 5:59 AM to 6:13 AM, and sunset from 5:25 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:595:25
211.45:595:25
311.46:005:26
411.46:005:26
511.46:015:26
611.46:015:26
711.46:025:27
811.46:025:27
911.46:035:27
1011.46:035:28
1111.46:045:28
1211.46:045:29
1311.46:055:29
1411.46:065:29
1511.46:065:30
1611.46:075:30
1711.46:075:31
1811.46:085:31
1911.46:085:31
2011.46:085:32
2111.46:095:32
2211.46:095:33
2311.46:105:33
2411.46:105:34
2511.46:115:34
2611.46:115:35
2711.46:125:35
2811.46:125:36
2911.46:135:36
3011.46:135:37
3111.46:135:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.65 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.45 kWh/m² in March across the year — December's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.9Bright
Planning a trip in December

Hazard calendar for Cần Giờ

In seasonPeak

In December, Cần Giờ sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Cần Giờ sits in the Pacific typhoon belt; the season peaks July–October.

Cần Giờ's rainy season runs May–November, when most of the year's rain falls.

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

Is December a good time to visit Cần Giờ?

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

5.1
Sightseeing
3rd-best month of the year
6.8
Beach & pool
4th-best month of the year

December is a reasonable time to visit Cần Giờ for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cần Giờ in December

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

In December, Cần Giờ sees daytime highs around 30°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Cần Giờ in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Cần Giờ 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 Cần Giờ peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 23UV 13Nov 18UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Cần Giờ 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 Cần Giờ is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1434 µg/m³Mar 1921 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb21Moderate
Mar21Moderate
Apr21Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct34Moderate
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Cần Giờ?

Cần Giờ sits at 10.4°N, 107.0°E, 5 m above sea level, in Vietnam. The nearest listed city is Vũng Tàu, 16 km away.

Topography around Cần Giờ

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cần Giờ.

Within 3 km, the terrain around Cần Giờ has only modest variations in elevation — a maximum elevation change of 15 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, large variations in elevation — a maximum elevation change of 895 m.

The land around Cần Giờ is covered by water (59%) within 3 km, water (67%) and mangroves (25%) within 16 km, and water (37%) and trees (33%) within 80 km.

3 km
15 m
16 km
244 m
80 km
895 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Vũng Tàu 16 km · Ấp Phước Tĩnh 25 km · Thành Phố Bà Rịa 25 km · Xóm Mỹ Xuân 26 km · Phú Mỹ 28 km · Long Diền 30 km · Xã Long Hải 31 km · Gò Công 32 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 Cần Giờ (10.4111°, 106.9547°, elevation 5 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).