Sầm Sơn weather in February

In February, Sầm Sơn sees average daytime highs of 20°C and overnight lows near 18°C, with 36 mm of rain across 8.4 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 19% of the time in February, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of February to 11 h 36 min by month's end. Set against the rest of the year, February is Sầm Sơn's 8th-clearest and 8th-windiest month. For the whole year in context, see Sầm Sơn's year-round climate.

Daytime high
20°
11th warmest
Overnight low
18°
2nd coldest
Rainfall
36 mm
8.4 wet days
Daylight
11 h 18 min
6:31 AM – 5:51 PM
Cloud cover
72%
8th clearest
Wind
16 km/h
8th windiest
Solar energy
3.06 kWh/m²
Travel score
6.1
out of 10

Sầm Sơn is city in Thanh Hóa province.

Density
2,888/km²
people per km²
Founded
1981

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical February day in Sầm Sơn reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, February runs on par with January and about 2°C cooler than March.

10°15°20°25°151015202528
Avg high (°C)Avg low (°C)
11917
21917
31917
41917
51917
61917
71917
81917
92017
102018
112018
122018
132018
142018
152018
162018
172018
182018
192018
202018
212018
222018
232018
242018
252018
262119
272119
282119

How February really feels in Sầm Sơn

Once humidity and wind are folded in, February 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

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

Sầm Sơn weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 17°5510.610.95.9
Feb20° / 18°368.411.36.1
Mar22° / 20°529.711.96.4
Apr25° / 23°627.512.47.0
May28° / 26°13912.212.95.5
Jun30° / 28°1461113.24.3
Jul30° / 28°21212.713.14.2
Aug30° / 28°31220.112.73.7
Sep29° / 26°36820.212.14.1
Oct27° / 24°24116.211.55.7
Nov24° / 22°829.911.16.9
Dec21° / 18°548.910.86.5

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
13367
23466
33466
43664
53664
63763
73763
83763
93763
103763
113763
123664
133664
143664
153565
163466
173367
183367
193268
203268
213070
223070
233070
243169
253169
263268
273268
283367

Chance of precipitation in February

Any precipitation

Sầm Sơn gets around 36 mm of rain over 8.4 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202528
Rain chance (%)
131
231
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2729
2829

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1351620272
2341621272
3331721272
4311722283
5291722283
6281723293
7271723304
8261723304
9251623315
10241623325
11231523326
12231523336
13221423337
14221423347
15221423347
16211423358
17211322358
18211322358
19201322369
20201322369
212013213610
222013213511
231914213511
241914213511
251814213512
261814213512
271714213612
281614213612

Wind in February

Winds average 16 km/h in February.

Across February, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202528
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze

Sunrise & sunset in February

DaylightNight

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

Days grow by about 30 minutes over February. Sunrise moves from 6:36 AM to 6:23 AM, and sunset from 5:43 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:365:43
211.16:365:44
311.16:365:45
411.26:365:45
511.26:355:46
611.26:355:46
711.26:355:47
811.26:345:47
911.26:345:48
1011.36:335:48
1111.36:335:49
1211.36:335:49
1311.36:325:50
1411.36:325:50
1511.36:315:51
1611.36:315:51
1711.46:305:52
1811.46:295:52
1911.46:295:53
2011.46:285:53
2111.46:285:54
2211.56:275:54
2311.56:265:55
2411.56:265:55
2511.56:255:55
2611.56:245:56
2711.56:245:56
2811.66:235:57

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.06 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.55 kWh/m² in May across the year — February's 3.06 kWh/m² sits near the bottom.

01234151015202528
Solar energy (kWh/m²)Level
12.8Moderate
22.9Moderate
32.9Moderate
42.9Moderate
52.9Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.4Moderate
Planning a trip in February

Hazard calendar for Sầm Sơn

In seasonPeak

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

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

Sầm Sơn's monsoon runs July–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 February a good time to visit Sầm Sơn?

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

6.1
Sightseeing
5th-best month of the year
3.2
Beach & pool
11th-best month of the year

February is a reasonable time to visit Sầm Sơn for sightseeing.

What to pack for Sầm Sơn in February

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

In February, Sầm Sơn sees daytime highs around 20°C and nights near 18°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Sầm Sơn in February

The nearest coast averages about 21°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 30°C and coldest in February near 21°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
Feb21Refreshing
Mar21Refreshing
Apr24Refreshing
May28Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Sầm Sơn in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February 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 Sầm Sơn peaks around August 11 at about 12 (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 11UV 12Dec 16UV 6
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Very high
Apr9Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep10Very high
Oct9Very high
Nov7Very high
Dec6High

Air quality in Sầm Sơn in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sầm Sơn is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (July, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyApr 1065 µg/m³Jul 1920 µg/m³
PM2.5 (µg/m³)Level
Jan65Unhealthy
Feb63Unhealthy
Mar63Unhealthy
Apr65Unhealthy
May43Poor
Jun25Moderate
Jul20Moderate
Aug23Moderate
Sep33Moderate
Oct46Poor
Nov55Poor
Dec64Unhealthy
Location & terrain

Where is Sầm Sơn?

Sầm Sơn sits at 19.7°N, 105.9°E, 10 m above sea level, in Vietnam. The nearest listed city is Thanh Hóa, 16 km away.

Topography around Sầm Sơn

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

Within 3 km, the terrain around Sầm Sơn has only modest variations in elevation — a maximum elevation change of 78 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,500 m.

The land around Sầm Sơn is covered by water (58%) within 3 km, water (60%) within 16 km, and trees (39%), water (33%) and cropland (22%) within 80 km.

3 km
78 m
16 km
176 m
80 km
1,500 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Thanh Hóa 16 km · Nga Sơn 31 km · Bỉm Sơn 39 km · Nghi Sơn 46 km · Thị Trấn Lam Sơn 55 km · Hoàng Mai 55 km · Ninh Binh 59 km · Nam Định 83 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 Sầm Sơn (19.7333°, 105.9°, elevation 10 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).