Vientiane weather in February

In February, Vientiane sees average daytime highs of 31°C and overnight lows near 19°C, with 15 mm of rain across 2.2 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 33°C by the end. The sky is clear or mostly clear about 73% of the time in February, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of February to 11 h 36 min by month's end. Set against the rest of the year, February is Vientiane's 1st-clearest and 1st-windiest month. For the whole year in context, see Vientiane's year-round climate.

Daytime high
31°
7th warmest
Overnight low
19°
3rd coldest
Rainfall
15 mm
2.2 wet days
Daylight
11 h 24 min
6:42 AM – 6:06 PM
Cloud cover
28%
1st clearest
Wind
7 km/h
1st windiest
Solar energy
5.37 kWh/m²
Travel score
5.4
out of 10

Vientiane is capital of Laos.

Air quality
High
PM2.5 25.8 µg/m³ · 2019
Density
215/km²
people per km²
Founded
1560

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 33°C by the end.

A typical February day in Vientiane reaches about 31°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, February runs about 2°C warmer than January and about 3°C cooler than March.

10°20°30°40°151015202528
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73118
83118
93118
103118
113118
123118
133119
143219
153219
163219
173219
183219
193219
203219
213220
223220
233220
243220
253320
263320
273320
283320

How February really feels in Vientiane

Once humidity and wind are folded in, February averages 14 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
14
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Vientiane weather by month

How February compares with the rest of the year at a glance. February is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°111.7116.9
Feb31° / 19°152.211.45.4
Mar34° / 22°366.211.93.5
Apr35° / 25°7511.912.42.4
May33° / 25°26223.412.82.2
Jun32° / 26°31625.113.12.2
Jul32° / 26°37226.5132.4
Aug31° / 25°40127.512.62.4
Sep32° / 25°30024.712.12.7
Oct31° / 24°10111.911.64.2
Nov30° / 21°22311.25.8
Dec29° / 18°81.210.97.2

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in February, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of February, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
18515
28515
38515
48614
58614
68614
78614
88614
98614
108614
118515
128614
138614
148614
158515
168515
178515
188515
198515
208515
218614
228614
238614
248614
258713
268713
278713
288911

Chance of precipitation in February

Any precipitation

Vientiane gets around 15 mm of rain over 2.2 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202528
Rain chance (%)
15
25
35
46
56
66
76
86
97
107
117
127
138
148
158
168
179
189
199
209
219
2210
2310
2410
2510
269
279
289

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142234264
2132234264
3132235264
4132235265
5122135265
6122136265
7112137266
8102037266
9102037276
1092038277
1182038277
1272038278
1362038288
1462038289
15519372910
16519363011
17418353111
18418343212
19417333313
20416323414
21416313515
22415303516
23415293517
24414293617
25413283718
26413283818
27412273918
28411273919

Wind in February

Winds average 7 km/h in February, the windiest month of the year.

Across February, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 12 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 24 minutes over February. Sunrise moves from 6:47 AM to 6:35 AM, and sunset from 5:59 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:475:59
211.26:476:00
311.26:476:00
411.26:466:01
511.36:466:01
611.36:466:02
711.36:456:02
811.36:456:03
911.36:456:03
1011.36:446:04
1111.36:446:04
1211.46:446:05
1311.46:436:05
1411.46:436:06
1511.46:426:06
1611.46:426:06
1711.46:416:07
1811.46:416:07
1911.56:406:08
2011.56:406:08
2111.56:396:09
2211.56:396:09
2311.56:386:09
2411.56:376:10
2511.66:376:10
2611.66:366:10
2711.66:366:11
2811.66:356:11

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.03 kWh/m² in April across the year — February's 5.37 kWh/m² sits near the top of that range.

0246151015202528
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
Planning a trip in February

Hazard calendar for Vientiane

In seasonPeak

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

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

Vientiane's monsoon runs May–September, 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 Vientiane?

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

5.4
Sightseeing
4th-best month of the year
8.2
Beach & pool
3rd-best month of the year

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

What to pack for Vientiane in February

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

In February, Vientiane sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Vientiane in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February 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 Vientiane peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 11UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Vientiane 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 Vientiane is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 3.4× the cleanest month (July, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Vientiane's WHO annual average of 25.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateMar 2355 µg/m³Jul 2116 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb32Moderate
Mar56Unhealthy
Apr53Poor
May23Moderate
Jun17Moderate
Jul16Moderate
Aug17Moderate
Sep17Moderate
Oct19Moderate
Nov18Moderate
Dec19Moderate
Location & terrain

Where is Vientiane?

Vientiane sits at 18.0°N, 102.6°E, 174 m above sea level, in Laos. The nearest listed city is Tha Bo, 13 km away.

Kut ChapPhon CharoenUdon ThaniBan DungNa Klang

Topography around Vientiane

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

Within 3 km, the terrain around Vientiane has only modest variations in elevation — a maximum elevation change of 33 m around an average of 171 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 74 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,487 m.

The land around Vientiane is covered by artificial surfaces (53%) within 3 km, cropland (36%) and trees (34%) within 16 km, and trees (57%) and cropland (34%) within 80 km.

3 km
33 m
16 km
74 m
80 km
1,487 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Tha Bo 13 km · Nong Khai 18 km · Nam Som 49 km · Kut Chap 60 km · Phon Charoen 60 km · Udon Thani 64 km · Ban Dung 76 km · Na Klang 85 km

Laos travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / E / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,325
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
35%
of population, 2024
Road deaths
17.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 461
Religion
Buddhist 65%none 31%other/not stated 2%Christian 2%

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 Vientiane (17.9667°, 102.6°, elevation 174 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). 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).