Núi Thành weather in December

In December, Núi Thành sees average daytime highs of 24°C and overnight lows near 22°C, with 363 mm of rain across 24.2 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 24°C through the month. The sky is clear or mostly clear about 13% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Núi Thành's 8th-clearest and 1st-windiest month. For the whole year in context, see Núi Thành's year-round climate.

Daytime high
24°
11th warmest
Overnight low
22°
3rd coldest
Rainfall
363 mm
24.2 wet days
Daylight
11 h 06 min
6:09 AM – 5:14 PM
Cloud cover
73%
8th clearest
Wind
18 km/h
1st windiest
Solar energy
2.93 kWh/m²
Travel score
4.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Núi Thành reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°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)
12523
22523
32523
42523
52523
62523
72523
82523
92522
102422
112422
122422
132422
142422
152422
162422
172422
182422
192422
202422
212422
222422
232422
242422
252422
262421
272421
282421
292421
302421
312421

How December really feels in Núi Thành

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.

Núi Thành 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
Jan24° / 21°16017.811.25.6
Feb24° / 21°9111.211.56.7
Mar26° / 23°868.911.97.0
Apr28° / 25°668.712.36.1
May30° / 26°9515.612.74.3
Jun31° / 27°9417.812.93.5
Jul31° / 27°10719.212.83.5
Aug31° / 27°13620.612.53.4
Sep29° / 26°29623.412.13.5
Oct27° / 25°41825.211.64.2
Nov26° / 24°45022.911.34.6
Dec24° / 22°36324.211.14.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23763
33664
43565
53565
63367
73268
83169
93070
103070
112971
122971
132971
143070
152971
162971
172971
182971
192971
203070
212971
223070
233070
243070
253169
263169
273268
283268
293367
303466
313466

Chance of precipitation in December

Any precipitation

Núi Thành gets around 363 mm of rain over 24.2 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 77% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
179
279
379
479
580
680
780
881
982
1082
1182
1282
1382
1481
1581
1680
1779
1879
1978
2077
2177
2276
2375
2473
2572
2671
2769
2868
2967
3066
3165

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021028591
2021129571
3021130561
4021231541
5021233530
6021234520
7021335500
8021337490
9021338470
10021339460
11021440440
12021441430
13021442420
14031542400
15031543390
16131643370
17141643360
18141744350
19141744340
20151844320
21151945310
22151945300
23162045280
24162046270
25162047260
26162147250
27162148240
28162148230
29162149230
30162049230
31162050230

Wind in December

Winds average 18 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 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 grow by about 0 minutes over December. Sunrise moves from 6:01 AM to 6:16 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)
111.16:015:10
211.16:015:10
311.16:025:10
411.16:025:10
511.16:035:10
611.16:035:11
711.16:045:11
811.16:055:11
911.16:055:12
1011.16:065:12
1111.16:065:12
1211.16:075:13
1311.16:075:13
1411.16:085:13
1511.16:085:14
1611.16:095:14
1711.16:095:15
1811.16:105:15
1911.16:105:15
2011.16:115:16
2111.16:115:16
2211.16:125:17
2311.16:125:17
2411.16:135:18
2511.16:135:18
2611.16:145:19
2711.16:145:19
2811.16:145:20
2911.16:155:20
3011.16:155:21
3111.16:165:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.93 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.93 kWh/m² to a high of 6.39 kWh/m² in May across the year — December's 2.93 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.2Moderate
313.2Moderate
Planning a trip in December

Hazard calendar for Núi Thành

In seasonPeak

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

Núi Thành sits in the Pacific typhoon belt; the season peaks July–October.

Núi Thành'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 Núi Thành?

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

4.7
Sightseeing
5th-best month of the year
4.1
Beach & pool
12th-best month of the year

December is a reasonable time to visit Núi Thành for sightseeing.

What to pack for Núi Thành in December

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

In December, Núi Thành sees daytime highs around 24°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 24 days see rain.

rain gearlight clothes

Sea temperature near Núi Thành 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 22 km away) is warmest in August at about 30°C and coldest in February near 23°C.

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

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb23Refreshing
Mar24Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Núi Thành in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Núi Thành peaks around August 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 10UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec6High

Air quality in Núi Thành 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 Núi Thành is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1326 µg/m³Sep 1016 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May22Moderate
Jun20Moderate
Jul16Moderate
Aug16Moderate
Sep16Moderate
Oct18Moderate
Nov17Moderate
Dec20Moderate
Location & terrain

Where is Núi Thành?

Núi Thành sits at 15.4°N, 108.7°E, 8 m above sea level, in Vietnam. The nearest listed city is Tam Kỳ, 25 km away.

Topography around Núi Thành

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

Within 3 km, the terrain around Núi Thành has only modest variations in elevation — a maximum elevation change of 65 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,136 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,392 m.

The land around Núi Thành is covered by grassland (20%) and water (20%) within 3 km, water (39%) and trees (38%) within 16 km, and water (46%) and trees (43%) within 80 km.

3 km
65 m
16 km
1,136 m
80 km
2,392 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tam Kỳ 25 km · Mỹ Lại 37 km · Quảng Ngãi 37 km · Mỹ Khê 41 km · Lý Sơn 50 km · Đông Phú 54 km · Hoi An 61 km · Điện Bàn 67 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 Núi Thành (15.4319°, 108.6595°, elevation 8 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).