An Nhơn weather in December

In December, An Nhơn sees average daytime highs of 25°C and overnight lows near 21°C, with 197 mm of rain across 20.2 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 4th-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 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is An Nhơn's 8th-clearest and 1st-windiest month. For the whole year in context, see An Nhơn's year-round climate.

Daytime high
25°
11th warmest
Overnight low
21°
3rd coldest
Rainfall
197 mm
20.2 wet days
Daylight
11 h 12 min
6:04 AM – 5:15 PM
Cloud cover
76%
8th clearest
Wind
12 km/h
1st windiest
Solar energy
3.13 kWh/m²
Travel score
5.0
out of 10

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 An Nhơn 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 23°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
32622
42622
52622
62622
72622
82622
92622
102622
112622
122622
132522
142522
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312521

How December really feels in An Nhơn

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.

An Nhơn weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°6913.711.36.1
Feb26° / 21°358.711.56.7
Mar29° / 22°479.311.95.9
Apr31° / 24°5810.412.34.4
May33° / 26°12217.912.62.9
Jun34° / 27°8015.312.82.6
Jul33° / 26°8215.312.72.8
Aug33° / 26°9816.112.52.8
Sep32° / 25°2022212.12.8
Oct29° / 24°2782511.73.6
Nov27° / 23°31822.111.44.5
Dec25° / 21°19720.211.25.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
32971
42872
52872
62773
72674
82674
92575
102575
112476
122476
132476
142575
152575
162476
172476
182476
192575
202575
212476
222476
232476
242476
252476
262575
272674
282674
292773
302773
312872

Chance of precipitation in December

Any precipitation

An Nhơn gets around 197 mm of rain over 20.2 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 65% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
373
473
573
673
773
873
973
1073
1173
1273
1372
1471
1570
1669
1767
1866
1965
2063
2161
2260
2358
2456
2555
2653
2752
2851
2950
3049
3148

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101827613
201828603
301929592
401930582
501931572
6011033542
7011034532
8011035522
9011036512
10011037502
11021138481
12021138471
13021239461
14021240441
15031340431
16031341421
17131442400
18131442390
19141543380
20141543360
21141644350
22151645330
23151746320
24151747300
25161747290
26161748280
27161749270
28151850270
29151850260
30051851260
31051851260

Wind in December

Winds average 12 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 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 5:56 AM to 6:11 AM, and sunset from 5:10 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.25:565:10
211.25:575:11
311.25:575:11
411.25:585:11
511.25:585:11
611.25:595:12
711.25:595:12
811.26:005:12
911.26:015:13
1011.26:015:13
1111.26:025:13
1211.26:025:14
1311.26:035:14
1411.26:035:14
1511.26:045:15
1611.26:045:15
1711.26:055:16
1811.26:055:16
1911.26:065:17
2011.26:065:17
2111.26:075:17
2211.26:075:18
2311.26:085:18
2411.26:085:19
2511.26:095:19
2611.26:095:20
2711.26:095:20
2811.26:105:21
2911.26:105:21
3011.26:115:22
3111.26:115:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.13 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.08 kWh/m² in April across the year — December's 3.13 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in December

Hazard calendar for An Nhơn

In seasonPeak

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

An Nhơn sits in the Pacific typhoon belt; the season peaks July–October.

An Nhơn'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 An Nhơn?

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

5.0
Sightseeing
4th-best month of the year
4.7
Beach & pool
9th-best month of the year

December is a reasonable time to visit An Nhơn for sightseeing.

What to pack for An Nhơn in December

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

In December, An Nhơn sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 20 days see rain.

rain gearlight clothes

Sea temperature near An Nhơn 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 29 km away) is warmest in September at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in An Nhơn 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 An Nhơn peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 13UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in An Nhơn 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 An Nhơn is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2032 µg/m³Jul 1914 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar33Moderate
Apr28Moderate
May19Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct17Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is An Nhơn?

An Nhơn sits at 13.9°N, 109.1°E, 13 m above sea level, in Vietnam. The nearest listed city is Qui Nhon, 17 km away.

Đức PhổPleikuEa Drăng

Topography around An Nhơn

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

Within 3 km, the terrain around An Nhơn has only modest variations in elevation — a maximum elevation change of 113 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 642 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,452 m.

The land around An Nhơn is covered by cropland (50%), trees (20%) and artificial surfaces (20%) within 3 km, trees (39%) and cropland (35%) within 16 km, and trees (49%) and water (32%) within 80 km.

3 km
113 m
16 km
642 m
80 km
1,452 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Qui Nhon 17 km · Sông Cầu 49 km · An Khê 50 km · A Yun Pa 91 km · Tuy Hòa 91 km · Đức Phổ 104 km · Pleiku 120 km · Ea Drăng 123 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 An Nhơn (13.8858°, 109.1082°, 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).