Hưng Mỹ weather in December

In December, Hưng Mỹ sees average daytime highs of 30°C and overnight lows near 24°C, with 108 mm of rain across 13.7 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 9th-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 11% 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 30 min by month's end. Set against the rest of the year, December is Hưng Mỹ's 5th-clearest and 5th-windiest month. For the whole year in context, see Hưng Mỹ's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
3rd coldest
Rainfall
108 mm
13.7 wet days
Daylight
11 h 30 min
6:12 AM – 5:41 PM
Cloud cover
77%
5th clearest
Wind
11 km/h
5th windiest
Solar energy
4.57 kWh/m²
Travel score
4.5
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 Hưng Mỹ 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 on par with 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
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Hưng Mỹ

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.

Hưng Mỹ weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°38711.55.1
Feb31° / 24°213.911.74.9
Mar32° / 25°578.411.94.0
Apr33° / 26°11716.812.23.0
May32° / 26°24526.512.42.4
Jun31° / 26°2742812.52.5
Jul30° / 26°29129.712.52.6
Aug30° / 26°27429.412.32.6
Sep30° / 25°32328.912.12.6
Oct30° / 25°40829.211.82.7
Nov30° / 25°2252311.63.3
Dec30° / 24°10813.711.54.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42575
52575
62575
72575
82476
92476
102575
112575
122674
132674
142674
152476
162476
172476
182476
192377
202377
212377
222377
232377
242377
252377
262377
272476
282575
292674
302872
312872

Chance of precipitation in December

Any precipitation

Hưng Mỹ gets around 108 mm of rain over 13.7 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 45% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
260
359
458
556
655
754
853
952
1050
1149
1248
1347
1446
1544
1643
1743
1842
1941
2040
2139
2238
2337
2436
2536
2635
2734
2834
2933
3032
3131

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10075340
20085438
30085636
40085834
50085933
60086131
70096130
80096328
90196327
1001106326
1101106524
1201116523
1301126621
1401136620
1501136719
1601146718
1701156717
1801166715
1911176714
2012186613
2112196612
2212206611
2312216610
2412226510
251123669
261123678
271124668
280124687
290124687
300124687
310124687

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 30 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 6:04 AM to 6:19 AM, and sunset from 5:35 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:045:35
211.56:055:36
311.56:055:36
411.56:065:36
511.56:065:37
611.56:075:37
711.56:075:37
811.56:085:38
911.56:085:38
1011.56:095:38
1111.56:095:39
1211.56:105:39
1311.56:105:39
1411.56:115:40
1511.56:115:40
1611.56:125:41
1711.56:125:41
1811.56:135:42
1911.56:135:42
2011.56:145:43
2111.56:145:43
2211.56:155:43
2311.56:155:44
2411.56:165:44
2511.56:165:45
2611.56:165:45
2711.56:175:46
2811.56:175:46
2911.56:185:47
3011.56:185:47
3111.56:195:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.57 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 6.21 kWh/m² in March across the year — December's 4.57 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Hưng Mỹ

In seasonPeak

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

Hưng Mỹ sits in the Pacific typhoon belt; the season peaks July–October.

Hưng Mỹ'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 Hưng Mỹ?

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

4.5
Sightseeing
3rd-best month of the year
6.0
Beach & pool
4th-best month of the year

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

What to pack for Hưng Mỹ in December

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

In December, Hưng Mỹ sees daytime highs around 30°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Hưng Mỹ 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 33 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
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Hưng Mỹ in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 Hưng Mỹ peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 13Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov11Extreme
Dec10Very high

Air quality in Hưng Mỹ 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 Hưng Mỹ is worst in December — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (May, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateDec 1922 µg/m³May 2012 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun13Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct15Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Hưng Mỹ?

Hưng Mỹ sits at 8.9°N, 105.0°E, 1 m above sea level, in Vietnam. The nearest listed city is Năm Căn, 16 km away.

Topography around Hưng Mỹ

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

Within 3 km, the terrain around Hưng Mỹ has only modest variations in elevation — a maximum elevation change of 4 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 15 m; within 80 km, significant variations in elevation — a maximum elevation change of 285 m.

The land around Hưng Mỹ is covered by trees (31%) and water (26%) within 3 km, water (45%) and trees (24%) within 16 km, and water (74%) within 80 km.

3 km
4 m
16 km
15 m
80 km
285 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Năm Căn 16 km · Cái Đôi Vàm 19 km · Trần Văn Thời 20 km · Tam Giang 25 km · Cà Mau 36 km · An Trạch 49 km · Gành Hào 50 km · Thới Bình 52 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 Hưng Mỹ (8.9°, 104.9833°, 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).