Quảng Ngãi weather in December

In December, Quảng Ngãi sees average daytime highs of 25°C and overnight lows near 21°C, with 314 mm of rain across 22 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Quảng Ngãi's 12th-clearest and 1st-windiest month. For the whole year in context, see Quảng Ngãi's year-round climate.

Daytime high
25°
11th warmest
Overnight low
21°
3rd coldest
Rainfall
314 mm
22 wet days
Daylight
11 h 06 min
6:08 AM – 5:14 PM
Cloud cover
82%
12th clearest
Wind
9 km/h
1st windiest
Solar energy
2.86 kWh/m²
Travel score
4.8
out of 10

Quảng Ngãi is provincial city of Vietnam.

Density
1,739/km²
people per km²

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 25°C through the month.

A typical December day in Quảng Ngãi reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32621
42621
52621
62621
72521
82521
92521
102521
112521
122521
132521
142521
152521
162521
172520
182520
192520
202520
212520
222420
232420
242420
252420
262420
272420
282420
292420
302520
312520

How December really feels in Quảng Ngãi

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Quảng Ngãi weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°12816.211.25.7
Feb26° / 20°7110.911.56.4
Mar28° / 22°8410.511.95.9
Apr31° / 24°8012.212.34.2
May33° / 26°14218.812.72.7
Jun34° / 27°10517.612.92.4
Jul34° / 26°13218.412.82.5
Aug33° / 26°15720.512.52.5
Sep31° / 25°28624.912.12.7
Oct29° / 23°3582611.73.5
Nov27° / 22°42422.611.34.4
Dec25° / 21°3142211.14.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
31981
41882
51783
61684
71684
81486
91486
101387
111387
121387
131387
141387
151387
161387
171387
181486
191486
201486
211486
221486
231585
241585
251486
261585
271585
281684
291684
301684
311684

Chance of precipitation in December

Any precipitation

Quảng Ngãi gets around 314 mm of rain over 22 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 71% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
376
476
576
676
776
877
977
1077
1176
1276
1375
1474
1574
1673
1772
1871
1970
2069
2168
2267
2366
2465
2564
2663
2762
2861
2960
3060
3159

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101732582
201834552
301835551
401837531
501938511
601940491
701941481
8011042461
9011043451
10011143441
11021244421
12021244410
13021344400
14031444380
15031544370
16041544360
17041644350
18141744340
19151744330
20151845320
21151845300
22161945290
23162046280
24162047260
25162048250
26162149240
27162150230
28162150220
29152151220
30152151220
31152053210

Wind in December

Winds average 9 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 06 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 6:00 AM to 6:15 AM, and sunset from 5:10 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:005:10
211.26:005:10
311.26:015:10
411.26:015:10
511.16:025:11
611.16:025:11
711.16:035:11
811.16:035:11
911.16:045:12
1011.16:055:12
1111.16:055:12
1211.16:065:13
1311.16:065:13
1411.16:075:13
1511.16:075:14
1611.16:085:14
1711.16:085:15
1811.16:095:15
1911.16:095:16
2011.16:105:16
2111.16:105:16
2211.16:115:17
2311.16:115:17
2411.16:125:18
2511.16:125:18
2611.16:135:19
2711.16:135:19
2811.16:135:20
2911.16:145:20
3011.16:145:21
3111.16:155:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.86 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 6.17 kWh/m² in April across the year — December's 2.86 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.2Moderate
Planning a trip in December

Hazard calendar for Quảng Ngãi

In seasonPeak

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

Quảng Ngãi sits in the Pacific typhoon belt; the season peaks July–October.

Quảng Ngãi's monsoon runs September–December, when most of the year's rain falls.

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

Is December a good time to visit Quảng Ngãi?

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

4.8
Sightseeing
4th-best month of the year
4.3
Beach & pool
11th-best month of the year

December is a reasonable time to visit Quảng Ngãi for sightseeing.

What to pack for Quảng Ngãi in December

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

In December, Quảng Ngãi sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 22 days see rain.

rain gearlight clothes

Sea temperature near Quảng Ngãi in December

The nearest coast averages about 25°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 30 km away) is warmest in August at about 30°C and coldest in February near 24°C.

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

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Quảng Ngãi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Quảng Ngãi peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Quảng Ngãi 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 Quảng Ngãi is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2335 µg/m³Nov 1815 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar35Moderate
Apr34Moderate
May28Moderate
Jun23Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Quảng Ngãi?

Quảng Ngãi sits at 15.1°N, 108.8°E, 13 m above sea level, in Vietnam. The nearest listed city is Mỹ Khê, 12 km away.

Hoi An

Topography around Quảng Ngãi

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

Within 3 km, the terrain around Quảng Ngãi has only modest variations in elevation — a maximum elevation change of 57 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 921 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,931 m.

The land around Quảng Ngãi is covered by artificial surfaces (46%) and trees (23%) within 3 km, trees (49%) and cropland (22%) within 16 km, and trees (49%) and water (42%) within 80 km.

3 km
57 m
16 km
921 m
80 km
1,931 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Mỹ Khê 12 km · Mỹ Lại 13 km · Núi Thành 37 km · Đức Phổ 39 km · Lý Sơn 45 km · Tam Kỳ 61 km · Đông Phú 87 km · Hoi An 98 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 Quảng Ngãi (15.1205°, 108.7923°, elevation 13 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).