Vang Vieng weather in March

In March, Vang Vieng sees average daytime highs of 29°C and overnight lows near 18°C, with 44 mm of rain across 7.8 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 60% 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 06 min by month's end. Set against the rest of the year, March is Vang Vieng's 2nd-clearest and 1st-windiest month. For the whole year in context, see Vang Vieng's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
5th coldest
Rainfall
44 mm
7.8 wet days
Daylight
11 h 54 min
6:24 AM – 6:16 PM
Cloud cover
38%
2nd clearest
Wind
4 km/h
1st windiest
Solar energy
5.5 kWh/m²
Travel score
6.0
out of 10

Vang Vieng is town in Laos.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical March day in Vang Vieng reaches about 29°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, March runs about 2°C warmer than February and about 1°C cooler than April.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32916
42916
52916
62917
72917
82917
92917
102917
112917
122917
132917
142918
152918
162918
173018
183018
193018
203018
213018
223018
233018
243018
253019
263019
273019
283019
293019
303019
313019

How March really feels in Vang Vieng

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.

Vang Vieng weather by month

How March compares with the rest of the year at a glance. March is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°213.5118.2
Feb27° / 15°183.211.47.8
Mar29° / 18°447.811.96.0
Apr30° / 20°9215.212.44.4
May29° / 22°25026.712.93.2
Jun28° / 22°39429.213.13.0
Jul28° / 22°53730.3133.2
Aug28° / 22°55230.412.63.2
Sep28° / 21°32827.212.13.4
Oct28° / 20°12619.211.64.8
Nov27° / 17°336.811.17.2
Dec25° / 14°254.410.98.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% 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 22%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38614
48614
58614
68515
78515
88416
98416
108317
118317
128218
138020
148020
157921
167822
177723
187624
197525
207426
217426
227327
237327
247327
257129
267129
277129
287129
297129
307129
317129

Chance of precipitation in March

Any precipitation

Vang Vieng gets around 44 mm of rain over 7.8 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 25% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
113
213
313
413
514
614
715
815
916
1017
1118
1219
1320
1421
1522
1624
1725
1827
1928
2029
2131
2232
2333
2434
2535
2635
2736
2836
2937
3037
3138

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
153145190
243045200
342946210
442846210
542846220
642746230
732646240
832546260
932445270
1032345290
1132145301
1232044321
1331944341
1431743361
1521643381
1621542401
1721342421
1821241441
1921141461
201940481
211839511
221738531
231737541
241636561
251535572
260534592
270432622
280431623
290429643
300328654
310326665

Wind in March

Winds average 4 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:36 AM to 6:11 AM, and sunset from 6:11 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:366:11
211.66:356:12
311.66:346:12
411.66:336:12
511.76:336:13
611.76:326:13
711.76:316:13
811.76:306:14
911.76:306:14
1011.86:296:14
1111.86:286:14
1211.86:276:15
1311.86:266:15
1411.86:266:15
1511.86:256:16
1611.96:246:16
1711.96:236:16
1811.96:226:16
1911.96:216:17
2011.96:206:17
2112.06:206:17
2212.06:196:17
2312.06:186:18
2412.06:176:18
2512.06:166:18
2612.16:156:18
2712.16:146:19
2812.16:146:19
2912.16:136:19
3012.16:126:19
3112.16:116:19

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.5 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.57 kWh/m² in April across the year — March's 5.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in March

Hazard calendar for Vang Vieng

In seasonPeak

None of Vang Vieng's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Vang Vieng's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Vang Vieng?

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

6.0
Sightseeing
5th-best month of the year
7.7
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Vang Vieng for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Vang Vieng in March

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

In March, Vang Vieng sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Vang Vieng in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Vang Vieng peaks around August 11 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 highExtremeExtremeVery highAug 11UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Vang Vieng 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 Vang Vieng is worst in April — around 182 µg/m³ PM2.5 (very unhealthy), about 17.8× the cleanest month (September, 10 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyModerateGoodApr 11175 µg/m³Sep 1610 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb35Moderate
Mar150Unhealthy
Apr182Very unhealthy
May29Moderate
Jun12Good
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Vang Vieng?

Vang Vieng sits at 18.9°N, 102.4°E, 243 m above sea level, in Laos. The nearest listed city is Muang Phônsavan, 98 km away.

Muang PhônsavanVientianeLuang PrabangTha BoNong KhaiPhon CharoenNam SomBorikhan

Topography around Vang Vieng

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

Within 3 km, the terrain around Vang Vieng has significant variations in elevation — a maximum elevation change of 415 m around an average of 276 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,653 m.

The land around Vang Vieng is covered by trees (64%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.

3 km
415 m
16 km
1,402 m
80 km
2,653 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Muang Phônsavan 98 km · Vientiane 108 km · Luang Prabang 112 km · Tha Bo 120 km · Nong Khai 120 km · Phon Charoen 125 km · Nam Som 131 km · Borikhan 141 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 Vang Vieng (18.9235°, 102.4478°, elevation 243 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. 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).