Ngã Bảy weather in December

In December, Ngã Bảy sees average daytime highs of 30°C and overnight lows near 24°C, with 83 mm of rain across 10.5 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 15% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Ngã Bảy's 5th-clearest and 7th-windiest month. For the whole year in context, see Ngã Bảy's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
3rd coldest
Rainfall
83 mm
10.5 wet days
Daylight
11 h 24 min
6:10 AM – 5:36 PM
Cloud cover
73%
5th clearest
Wind
9 km/h
7th windiest
Solar energy
4.39 kWh/m²
Travel score
4.9
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 Ngã Bảy reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How December really feels in Ngã Bảy

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.

Ngã Bảy 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° / 23°264.711.55.6
Feb31° / 24°102.211.75.3
Mar32° / 25°375.511.94.2
Apr33° / 26°7712.112.23.1
May33° / 26°21425.412.42.3
Jun31° / 25°26027.612.62.4
Jul31° / 25°25929.412.52.5
Aug31° / 25°2672912.32.5
Sep31° / 25°29328.712.12.4
Oct31° / 25°3152811.82.7
Nov30° / 24°16118.711.63.7
Dec30° / 24°8310.511.44.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32773
42872
52872
62872
72872
82872
92872
102971
112971
122971
132872
142971
152971
162971
172971
182971
192971
202872
212872
222872
232872
242872
253070
263169
273169
283268
293367
303367
313565

Chance of precipitation in December

Any precipitation

Ngã Bảy gets around 83 mm of rain over 10.5 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 34% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
247
345
444
543
641
740
839
939
1038
1137
1236
1336
1435
1534
1634
1733
1832
1932
2031
2131
2230
2330
2429
2528
2628
2727
2826
2926
3025
3124

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101105435
201105633
301105831
401115830
501116028
601116127
701116325
801126324
901126522
1002136421
1102136520
1202146519
1302156617
1402166616
1502176615
1602186614
1712196513
1812206512
1912216412
2012226411
2112236410
221224649
231225648
241226638
251227637
261228627
271228636
281228636
291228636
301128655
310128665

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
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 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 shrink by about 6 minutes over December. Sunrise moves from 6:02 AM to 6:17 AM, and sunset from 5:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:025:31
211.56:035:31
311.56:035:31
411.56:045:31
511.56:045:32
611.56:055:32
711.46:055:32
811.46:065:33
911.46:065:33
1011.46:075:33
1111.46:075:34
1211.46:085:34
1311.46:085:35
1411.46:095:35
1511.46:095:35
1611.46:105:36
1711.46:105:36
1811.46:115:37
1911.46:115:37
2011.46:125:38
2111.46:125:38
2211.46:135:38
2311.46:135:39
2411.46:145:39
2511.46:145:40
2611.46:155:40
2711.46:155:41
2811.46:165:41
2911.46:165:42
3011.46:165:42
3111.46:175:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.39 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.01 kWh/m² in March across the year — December's 4.39 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in December

Hazard calendar for Ngã Bảy

In seasonPeak

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

Ngã Bảy sits in the Pacific typhoon belt; the season peaks July–October.

Ngã Bảy'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 Ngã Bảy?

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

4.9
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Ngã Bảy in December

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

In December, Ngã Bảy sees daytime highs around 30°C and nights near 24°C. Pack light clothes. Worth having: rain gear. About 11 days see rain.

light clothesrain gear

Sea temperature near Ngã Bảy 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 at the nearest coast (about 59 km away) 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 Ngã Bảy 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 Ngã Bảy peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 13Jan 1UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Ngã Bảy 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 Ngã Bảy is worst in December — around 57 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 27 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorUnhealthyDec 1556 µg/m³Aug 1327 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb40Poor
Mar38Poor
Apr39Poor
May37Poor
Jun32Moderate
Jul30Moderate
Aug27Moderate
Sep35Poor
Oct49Poor
Nov53Poor
Dec57Unhealthy
Location & terrain

Where is Ngã Bảy?

Ngã Bảy sits at 9.8°N, 105.8°E, -1 m above sea level, in Vietnam. The nearest listed city is Cái Răng, 22 km away.

Topography around Ngã Bảy

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

Within 3 km, the terrain around Ngã Bảy has only modest variations in elevation — a maximum elevation change of 9 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 15 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around Ngã Bảy is covered by trees (65%) within 3 km, trees (58%) and cropland (36%) within 16 km, and cropland (49%) and trees (28%) within 80 km.

3 km
9 m
16 km
15 m
80 km
75 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Cái Răng 22 km · Can Tho 25 km · Phong Điền 26 km · Bình Minh 28 km · Sóc Trăng 29 km · Bình Thủy 30 km · Long Mỹ 31 km · Ấp Một 31 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 Ngã Bảy (9.8137°, 105.821°, elevation -1 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).