Ba Đồn weather in December

In December, Ba Đồn sees average daytime highs of 22°C and overnight lows near 20°C, with 213 mm of rain across 19.5 wet days and about 11 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Ba Đồn's 10th-clearest and 1st-windiest month. For the whole year in context, see Ba Đồn's year-round climate.

Daytime high
22°
10th warmest
Overnight low
20°
3rd coldest
Rainfall
213 mm
19.5 wet days
Daylight
10 h 54 min
6:22 AM – 5:19 PM
Cloud cover
79%
10th clearest
Wind
19 km/h
1st windiest
Solar energy
2.33 kWh/m²
Travel score
5.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical December day in Ba Đồn reaches about 22°C in the afternoon and slips back to 20°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62320
72320
82220
92220
102220
112220
122220
132220
142220
152220
162219
172219
182219
192219
202219
212119
222119
232119
242119
252119
262119
272119
282119
292119
302119
312119

How December really feels in Ba Đồn

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.

Ba Đồn weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 18°12817.111.15.2
Feb22° / 19°7312.811.45.9
Mar24° / 21°6911.711.96.6
Apr27° / 24°7811.212.46.3
May29° / 26°10313.512.84.9
Jun31° / 27°617.6134.4
Jul31° / 27°1069.2134.4
Aug30° / 27°16713.512.64.1
Sep29° / 26°36619.612.14.1
Oct27° / 24°48823.311.64.6
Nov25° / 22°31720.111.25.1
Dec22° / 20°21319.5115.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
33070
42971
52773
62674
72674
82476
92476
102377
112278
122278
132278
142179
152278
162179
172278
182278
192278
202377
212377
222476
232476
242476
252674
262773
272773
282872
292971
302971
313070

Chance of precipitation in December

Any precipitation

Ba Đồn gets around 213 mm of rain over 19.5 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 62% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
369
468
568
668
768
868
967
1067
1166
1266
1365
1464
1563
1662
1761
1861
1960
2059
2159
2258
2357
2457
2556
2655
2755
2854
2954
3054
3154

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1282242241
2292342221
3392442211
43102542191
53112642181
63112741171
73122841160
83132940150
94133039140
104143038140
114153137130
125153135130
136163134130
146163133130
157173132130
168173131130
178173130130
189183130130
199183129130
2010183129120
2111183129120
2211183129110
2311183130100
241218313090
251218313180
261218313280
271117323370
281117323460
291117323560
301017323650
311016323650

Wind in December

Winds average 19 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:14 AM to 6:29 AM, and sunset from 5:14 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:145:14
211.06:145:15
311.06:155:15
411.06:155:15
511.06:165:15
611.06:175:15
711.06:175:16
811.06:185:16
911.06:185:16
1011.06:195:17
1111.06:195:17
1211.06:205:17
1311.06:215:18
1410.96:215:18
1510.96:225:18
1610.96:225:19
1710.96:235:19
1810.96:235:20
1910.96:245:20
2010.96:245:20
2110.96:255:21
2210.96:255:21
2310.96:265:22
2410.96:265:22
2510.96:275:23
2610.96:275:23
2710.96:275:24
2810.96:285:24
2910.96:285:25
3010.96:295:25
3111.06:295:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.33 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.83 kWh/m² in May across the year — December's 2.33 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Ba Đồn

In seasonPeak

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

Ba Đồn sits in the Pacific typhoon belt; the season peaks July–October.

Ba Đồn's monsoon runs September–November, 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 Ba Đồn?

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

5.0
Sightseeing
6th-best month of the year
3.5
Beach & pool
11th-best month of the year

December is a reasonable time to visit Ba Đồn for sightseeing.

What to pack for Ba Đồn in December

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

In December, Ba Đồn sees daytime highs around 22°C and nights near 20°C. Pack rain gear. About 20 days see rain.

rain gear

Sea temperature near Ba Đồn in December

The nearest coast averages about 24°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 25 km away) is warmest in August at about 30°C and coldest in February near 22°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec24Refreshing

UV index in Ba Đồn 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 Ba Đồn peaks around August 12 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 highVery highExtremeVery highAug 12UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar10Very high
Apr9Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Ba Đồn 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 Ba Đồn is worst in April — around 38 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (July, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1237 µg/m³Jul 1814 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar33Moderate
Apr38Poor
May21Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep16Moderate
Oct22Moderate
Nov21Moderate
Dec25Moderate
Location & terrain

Where is Ba Đồn?

Ba Đồn sits at 17.8°N, 106.4°E, 8 m above sea level, in Vietnam. The nearest listed city is Hoàn Lão, 22 km away.

NghènHồng LĩnhCam Lộ

Topography around Ba Đồn

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

Within 3 km, the terrain around Ba Đồn has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 365 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,998 m.

The land around Ba Đồn is covered by cropland (28%), artificial surfaces (21%) and water (21%) within 3 km, trees (37%) and water (35%) within 16 km, and trees (58%) and water (34%) within 80 km.

3 km
13 m
16 km
365 m
80 km
1,998 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hoàn Lão 22 km · Kỳ Anh 37 km · Đồng Hới 38 km · Quán Hàu 45 km · Hà Tĩnh 85 km · Nghèn 103 km · Hồng Lĩnh 115 km · Cam Lộ 121 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 Ba Đồn (17.7535°, 106.4236°, 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).