Lý Sơn weather in February

In February, Lý Sơn sees average daytime highs of 25°C and overnight lows near 22°C, with 71 mm of rain across 10.6 wet days and about 11.5 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 41% of the time in February, and the air most often feels oppressive.

Daylight stretches from about 11 h 18 min at the start of February to 11 h 42 min by month's end. Set against the rest of the year, February is Lý Sơn's 2nd-clearest and 6th-windiest month. For the whole year in context, see Lý Sơn's year-round climate.

Daytime high
25°
10th warmest
Overnight low
22°
2nd coldest
Rainfall
71 mm
10.6 wet days
Daylight
11 h 30 min
6:13 AM – 5:43 PM
Cloud cover
50%
2nd clearest
Wind
14 km/h
6th windiest
Solar energy
4.76 kWh/m²
Travel score
6.8
out of 10

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical February day in Lý Sơn reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, February runs on par with January and about 2°C cooler than March.

15°20°25°30°151015202528
Avg high (°C)Avg low (°C)
12421
22421
32422
42422
52422
62422
72522
82522
92522
102522
112522
122522
132522
142522
152522
162522
172522
182522
192522
202522
212522
222522
232522
242523
252623
262623
272623
282623

How February really feels in Lý 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.

Lý Sơn weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 22°12516.811.25.9
Feb25° / 22°7110.611.56.8
Mar27° / 24°728.911.97.0
Apr29° / 25°547.612.36.1
May31° / 27°8212.112.74.4
Jun32° / 28°6511.312.93.7
Jul32° / 28°8112.812.83.8
Aug31° / 28°11617.312.53.4
Sep30° / 26°27322.712.13.4
Oct28° / 25°37525.111.74.0
Nov27° / 24°37722.511.34.6
Dec25° / 23°2912311.14.8

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 22% of February, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
15446
25545
35743
45941
55941
66040
76238
86238
96337
106337
116337
126337
136436
146436
156436
166436
176436
186436
196436
206436
216436
226436
236436
246535
256634
266634
276634
286832

Chance of precipitation in February

Any precipitation

Lý Sơn gets around 71 mm of rain over 10.6 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202528
Rain chance (%)
148
247
346
445
543
642
741
840
939
1038
1137
1237
1337
1436
1536
1636
1736
1836
1936
2036
2136
2235
2335
2435
2534
2634
2733
2832

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the oppressive band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202528
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
132151250
232150260
332050270
432049280
532048290
621947310
721946330
821845350
921744370
1021743390
1111642410
1211442421
1311341441
1411241451
1511140471
1601040481
170940491
180939511
190839512
200738532
210738532
220638542
230637552
240637543
250636553
260636553
270635554
280634564

Wind in February

Winds average 14 km/h in February.

Across February, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202528
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 18 min at the start of February to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over February. Sunrise moves from 6:17 AM to 6:07 AM, and sunset from 5:37 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:175:37
211.36:175:37
311.36:175:38
411.46:175:38
511.46:175:39
611.46:165:39
711.46:165:40
811.46:165:40
911.46:165:40
1011.46:155:41
1111.46:155:41
1211.56:155:42
1311.56:145:42
1411.56:145:42
1511.56:135:43
1611.56:135:43
1711.56:135:43
1811.56:125:44
1911.56:125:44
2011.66:115:44
2111.66:115:45
2211.66:105:45
2311.66:105:45
2411.66:095:46
2511.66:095:46
2611.66:085:46
2711.66:085:47
2811.76:075:47

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 4.76 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 6.48 kWh/m² in May across the year — February's 4.76 kWh/m² falls in the middle.

0246151015202528
Solar energy (kWh/m²)Level
14.2Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
Planning a trip in February

Hazard calendar for Lý Sơn

In seasonPeak

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

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

Lý Sơn's monsoon runs September–December, 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 Lý Sơn?

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

6.8
Sightseeing
2nd-best month of the year
6.1
Beach & pool
4th-best month of the year

February is a reasonable time to visit Lý Sơn for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lý Sơn in February

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

In February, Lý Sơn sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Lý Sơn in February

The nearest coast averages about 24°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 24°C.

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

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Refreshing
Mar25Warm
Apr26Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Lý Sơn in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lý Sơn 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 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 12UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Lý 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 Lý Sơn is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2335 µg/m³Nov 1815 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar35Moderate
Apr34Moderate
May28Moderate
Jun23Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Lý Sơn?

Lý Sơn sits at 15.4°N, 109.1°E, 22 m above sea level, in Vietnam. The nearest listed city is Mỹ Lại, 32 km away.

Hoi AnĐông Phú

Topography around Lý Sơn

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

Within 3 km, the terrain around Lý Sơn has only modest variations in elevation — a maximum elevation change of 163 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,379 m.

The land around Lý Sơn is covered by water (72%) within 3 km, water (99%) within 16 km, and water (66%) and trees (26%) within 80 km.

3 km
163 m
16 km
163 m
80 km
1,379 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Mỹ Lại 32 km · Mỹ Khê 34 km · Quảng Ngãi 45 km · Núi Thành 50 km · Đức Phổ 64 km · Tam Kỳ 73 km · Hoi An 101 km · Đông Phú 102 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 Lý Sơn (15.372°, 109.1189°, elevation 22 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).