Ba Đồn weather in January

In January, Ba Đồn sees average daytime highs of 21°C and overnight lows near 18°C, with 128 mm of rain across 17.1 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 17% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Ba Đồn's 7th-clearest and 6th-windiest month. For the whole year in context, see Ba Đồn's year-round climate.

Daytime high
21°
12th warmest
Overnight low
18°
1st coldest
Rainfall
128 mm
17.1 wet days
Daylight
11 hours
6:32 AM – 5:35 PM
Cloud cover
74%
7th clearest
Wind
16 km/h
6th windiest
Solar energy
2.75 kWh/m²
Travel score
5.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical January day in Ba Đồn reaches about 21°C in the afternoon and slips back to 18°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12119
22119
32119
42119
52119
62119
72119
82119
92119
102119
112119
122119
132119
142119
152118
162118
172118
182118
192118
202118
212118
222118
232118
242118
252118
262118
272118
282118
292118
302118
312118

How January really feels in Ba Đồn

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
43070
53070
63070
73070
83169
93169
103070
113070
123070
133070
142971
152971
162971
173070
183070
193070
202971
213070
223169
233169
243268
253268
263268
273367
283466
293466
303565
313763

Chance of precipitation in January

Any precipitation

Ba Đồn gets around 128 mm of rain over 17.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
255
355
455
555
655
755
855
955
1055
1156
1256
1356
1456
1556
1656
1756
1856
1956
2056
2156
2256
2356
2456
2556
2655
2755
2854
2954
3053
3152

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
191632375
291632375
391632376
491731386
591731386
691730386
791729387
891828387
991828387
1091827397
1191827397
1291926397
1391926397
1491926397
15102025396
16102025386
17102126386
18102126386
19102226376
2092227365
2192327365
2292327355
2392328346
2492428346
2592428336
2692428336
27102428327
28102427327
29102327328
30102327318
31102227319

Wind in January

Winds average 16 km/h in January.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 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
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:29 AM to 6:32 AM, and sunset from 5:26 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:295:26
211.06:295:27
311.06:305:27
411.06:305:28
511.06:305:28
611.06:305:29
711.06:315:30
811.06:315:30
911.06:315:31
1011.06:315:31
1111.06:325:32
1211.06:325:33
1311.06:325:33
1411.06:325:34
1511.06:325:34
1611.06:325:35
1711.16:325:36
1811.16:325:36
1911.16:325:37
2011.16:335:37
2111.16:335:38
2211.16:335:38
2311.16:335:39
2411.16:325:40
2511.16:325:40
2611.16:325:41
2711.26:325:41
2811.26:325:42
2911.26:325:43
3011.26:325:43
3111.26:325:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.75 kWh/m².

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 — January's 2.75 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
282.9Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Hazard calendar for Ba Đồn

In seasonPeak

In January, 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 January a good time to visit Ba Đồn?

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

5.2
Sightseeing
4th-best month of the year
3.2
Beach & pool
12th-best month of the year

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

What to pack for Ba Đồn in January

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

In January, Ba Đồn sees daytime highs around 21°C and nights near 18°C. Pack rain gear. About 17 days see rain.

rain gear

Sea temperature near Ba Đồn in January

The nearest coast averages about 22°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).