Đồng Hới weather in March

In March, Đồng Hới sees average daytime highs of 25°C and overnight lows near 21°C, with 82 mm of rain across 13.3 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 23% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Đồng Hới's 2nd-clearest and 10th-windiest month. For the whole year in context, see Đồng Hới's year-round climate.

Daytime high
25°
8th warmest
Overnight low
21°
4th coldest
Rainfall
82 mm
13.3 wet days
Daylight
11 h 54 min
6:07 AM – 5:59 PM
Cloud cover
65%
2nd clearest
Wind
10 km/h
10th windiest
Solar energy
4.54 kWh/m²
Travel score
6.2
out of 10

Đồng Hới is capital of Quảng Bình province, Vietnam.

Density
859/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical March day in Đồng Hới 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 20°C and 29°C. Set against its neighbours, March runs about 3°C warmer than February and about 3°C cooler than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12319
22319
32419
42420
52420
62420
72420
82420
92420
102420
112420
122520
132520
142520
152520
162521
172521
182521
192521
202521
212521
222521
232521
242621
252621
262621
272621
282621
292622
302622
312622

How March really feels in Đồng Hới

Once humidity and wind are folded in, March 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

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

Đồng Hới weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 18°12517.411.15.2
Feb22° / 18°7713.811.45.8
Mar25° / 21°8213.311.96.2
Apr28° / 23°8812.812.45.6
May30° / 26°11214.712.84.2
Jun32° / 27°638.1133.9
Jul32° / 27°941012.93.9
Aug31° / 26°14613.512.63.9
Sep29° / 25°34519.612.13.9
Oct27° / 24°5312411.64.5
Nov25° / 21°36620.911.24.9
Dec22° / 19°22820.3114.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33763
43763
53763
63961
73961
83961
94060
104159
114159
124159
134159
144258
154258
164258
174258
184258
194258
204258
214258
224258
234258
244159
254258
264258
274060
284060
294060
304060
314159

Chance of precipitation in March

Any precipitation

Đồng Hới gets around 82 mm of rain over 13.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
242
342
441
541
641
740
840
940
1040
1140
1241
1341
1441
1542
1643
1743
1844
1944
2045
2145
2246
2346
2446
2546
2646
2746
2846
2946
3046
3145

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 48% 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 (%)
13111938290
23102037300
32102037310
4292037320
5291937330
6281936340
7281936350
8271836370
9171735390
10161735400
11161634420
12151534440
13151533460
14141432481
15141431501
16141330511
17141229531
18141228532
19141127552
20141126562
21141125563
22041124583
23041023603
24041022604
25041022604
26041021605
27041021605
28041020606
2903920626
3003920617
3103920617

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 36 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over March. Sunrise moves from 6:18 AM to 5:55 AM, and sunset from 5:56 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:185:56
211.66:175:56
311.76:175:56
411.76:165:57
511.76:155:57
611.76:145:57
711.76:145:57
811.76:135:58
911.86:125:58
1011.86:115:58
1111.86:115:58
1211.86:105:59
1311.86:095:59
1411.86:085:59
1511.96:085:59
1611.96:075:59
1711.96:066:00
1811.96:056:00
1911.96:046:00
2011.96:046:00
2112.06:036:01
2212.06:026:01
2312.06:016:01
2412.06:006:01
2512.06:006:01
2612.05:596:01
2712.15:586:02
2812.15:576:02
2912.15:566:02
3012.15:556:02
3112.15:556:02

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.68 kWh/m² in May across the year — March's 4.54 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in March

Hazard calendar for Đồng Hới

In seasonPeak

In March, Đồng Hới sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Đồng Hới sits in the Pacific typhoon belt; the season peaks July–October.

Đồng Hới'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 March a good time to visit Đồng Hới?

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

6.2
Sightseeing
1st-best month of the year
5.6
Beach & pool
6th-best month of the year

March is a reasonable time to visit Đồng Hới for sightseeing.

What to pack for Đồng Hới in March

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

In March, Đồng Hới sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Đồng Hới in March

The nearest coast averages about 23°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 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 Đồng Hới in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Đồng Hới peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 12UV 13Dec 16UV 6
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar9Very high
Apr9Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Đồng Hới in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Đồng Hới is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (July, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 1064 µg/m³Jul 1514 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb26Moderate
Mar62Unhealthy
Apr65Unhealthy
May21Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct20Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Đồng Hới?

Đồng Hới sits at 17.5°N, 106.6°E, 9 m above sea level, in Vietnam. The nearest listed city is Quán Hàu, 7.0 km away.

thị xã Quảng TrịHà Tĩnh

Topography around Đồng Hới

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

Within 3 km, the terrain around Đồng Hới has only modest variations in elevation — a maximum elevation change of 22 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 711 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.

The land around Đồng Hới is covered by artificial surfaces (38%) and water (29%) within 3 km, water (45%) and trees (29%) within 16 km, and trees (61%) and water (32%) within 80 km.

3 km
22 m
16 km
711 m
80 km
1,630 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Quán Hàu 7.0 km · Hoàn Lão 16 km · Ba Đồn 38 km · Kỳ Anh 74 km · Cam Lộ 83 km · Ðông Hà 89 km · thị xã Quảng Trị 100 km · Hà Tĩnh 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 Đồng Hới (17.4688°, 106.6223°, elevation 9 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).