Bỉm Sơn weather in March

In March, Bỉm Sơn sees average daytime highs of 25°C and overnight lows near 19°C, with 35 mm of rain across 6.7 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 13% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Bỉm Sơn's 6th-clearest and 7th-windiest month. For the whole year in context, see Bỉm Sơn's year-round climate.

Daytime high
25°
9th warmest
Overnight low
19°
4th coldest
Rainfall
35 mm
6.7 wet days
Daylight
11 h 54 min
6:10 AM – 6:02 PM
Cloud cover
76%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.4 kWh/m²
Travel score
7.0
out of 10

Bỉm Sơn is district-level town in Thanh Hóa province, Vietnam.

Density
802/km²
people per km²
Founded
1981

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 23°C in the first days to 26°C by the end.

A typical March day in Bỉm Sơn reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, March runs about 3°C warmer than February and about 4°C cooler than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12317
22318
32318
42418
52418
62418
72418
82418
92418
102418
112418
122419
132419
142519
152519
162519
172519
182519
192519
202519
212519
222520
232520
242620
252620
262620
272620
282620
292620
302620
312620

How March really feels in Bỉm Sơn

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.

Bỉm Sơn weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 15°295.610.96.7
Feb22° / 16°174.411.37.0
Mar25° / 19°356.711.97.0
Apr29° / 22°648.612.45.5
May32° / 25°17815.512.93.3
Jun34° / 27°17814.613.22.5
Jul33° / 27°23417.813.12.5
Aug32° / 26°3242312.72.6
Sep31° / 25°27820.812.13.2
Oct29° / 23°15614.511.55.1
Nov26° / 19°577.9116.9
Dec22° / 16°255.410.87.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22674
32674
42674
52674
62773
72773
82773
92674
102674
112674
122575
132575
142377
152377
162377
172377
182278
192278
202278
212278
222278
232278
242278
252278
262179
272278
282278
292278
302377
312377

Chance of precipitation in March

Any precipitation

Bỉm Sơn gets around 35 mm of rain over 6.7 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 22% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
117
218
318
418
518
619
719
819
920
1020
1121
1221
1321
1421
1522
1622
1722
1822
1922
2022
2123
2223
2323
2424
2524
2624
2725
2825
2925
3025
3125

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
119162029160
218162029160
318162130160
417152131160
517152131160
616142132170
715142132170
814132133180
914132133190
1013122134200
1112122134210
1211122134230
1311112034240
1410112034250
159111933270
169111933281
178111933291
188101832301
197101832311
207101732321
217101732332
226101632342
236101631352
246101631352
25691531362
26691531373
27591531373
28581431383
29581431394
30581430395
31471330405

Wind in March

Winds average 9 km/h in March.

Across March, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

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

Days grow by about 36 minutes over March. Sunrise moves from 6:23 AM to 5:57 AM, and sunset from 5:57 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:235:57
211.66:225:57
311.66:215:58
411.66:205:58
511.66:205:58
611.76:195:59
711.76:185:59
811.76:175:59
911.76:166:00
1011.76:166:00
1111.86:156:00
1211.86:146:01
1311.86:136:01
1411.86:126:01
1511.86:116:02
1611.96:106:02
1711.96:106:02
1811.96:096:03
1911.96:086:03
2011.96:076:03
2112.06:066:03
2212.06:056:04
2312.06:046:04
2412.06:036:04
2512.06:026:04
2612.16:026:05
2712.16:016:05
2812.16:006:05
2912.15:596:06
3012.15:586:06
3112.25:576:06

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.4 kWh/m².

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 5.33 kWh/m² in June across the year — March's 3.4 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.7Moderate
303.7Moderate
313.8Moderate
Planning a trip in March

Hazard calendar for Bỉm Sơn

In seasonPeak

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

Bỉm Sơn sits in the Pacific typhoon belt; the season peaks July–October.

Bỉm Sơn's monsoon runs May–October, 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 Bỉm Sơn?

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

7.0
Sightseeing
2nd-best month of the year
6.2
Beach & pool
3rd-best month of the year

March is one of the better times to visit Bỉm Sơn for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bỉm Sơn in March

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

In March, Bỉm Sơn sees daytime highs around 25°C and nights near 19°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near Bỉm Sơn in March

The nearest coast averages about 21°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 36 km away) is warmest in August at about 30°C and coldest in February near 20°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Refreshing
Mar21Refreshing
Apr24Refreshing
May28Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Bỉm Sơn in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bỉm Sơn peaks around July 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highHighJul 14UV 12Dec 15UV 6
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Very high
Apr8Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Bỉm Sơn 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 Bỉm Sơn is worst in December — around 134 µg/m³ PM2.5 (unhealthy), about 3.8× the cleanest month (July, 35 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 20132 µg/m³Jul 1536 µg/m³
PM2.5 (µg/m³)Level
Jan126Unhealthy
Feb106Unhealthy
Mar94Unhealthy
Apr87Unhealthy
May60Unhealthy
Jun42Poor
Jul35Moderate
Aug46Poor
Sep69Unhealthy
Oct93Unhealthy
Nov116Unhealthy
Dec134Unhealthy
Location & terrain

Where is Bỉm Sơn?

Bỉm Sơn sits at 20.1°N, 105.9°E, 7 m above sea level, in Vietnam. The nearest listed city is Nga Sơn, 14 km away.

Topography around Bỉm Sơn

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

Within 3 km, the terrain around Bỉm Sơn has only modest variations in elevation — a maximum elevation change of 99 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 327 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,500 m.

The land around Bỉm Sơn is covered by trees (39%) and cropland (27%) within 3 km, trees (52%) and cropland (33%) within 16 km, and trees (41%), cropland (29%) and water (23%) within 80 km.

3 km
99 m
16 km
327 m
80 km
1,500 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Nga Sơn 14 km · Ninh Binh 24 km · Thanh Hóa 32 km · Sầm Sơn 39 km · Thị Trấn Lam Sơn 51 km · Nam Định 52 km · Phủ Lý 52 km · Thái Bình 65 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 Bỉm Sơn (20.0781°, 105.8603°, elevation 7 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).