Vieng Xai weather in February

In February, Vieng Xai sees average daytime highs of 22°C and overnight lows near 12°C, with 14 mm of rain across 3.8 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 34% of the time in February, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of February to 11 h 30 min by month's end. Set against the rest of the year, February is Vieng Xai's 2nd-clearest and 1st-windiest month. For the whole year in context, see Vieng Xai's year-round climate.

Daytime high
22°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
14 mm
3.8 wet days
Daylight
11 h 18 min
6:39 AM – 5:57 PM
Cloud cover
57%
2nd clearest
Wind
6 km/h
1st windiest
Solar energy
4 kWh/m²
Travel score
7.6
out of 10

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical February day in Vieng Xai reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 29°C. Set against its neighbours, February runs about 2°C warmer than January and about 3°C cooler than March.

10°15°20°25°30°151015202528
Avg high (°C)Avg low (°C)
12011
22111
32111
42111
52111
62111
72111
82111
92212
102212
112212
122212
132212
142212
152312
162312
172312
182312
192313
202313
212313
222313
232413
242413
252413
262413
272413
282413

How February really feels in Vieng Xai

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.

Vieng Xai weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 11°224.410.97.0
Feb22° / 12°143.811.37.6
Mar25° / 15°6010.611.96.8
Apr28° / 18°10917.712.55.1
May29° / 20°20523.2133.7
Jun29° / 22°20124.213.23.2
Jul29° / 22°26426.213.13.3
Aug28° / 21°30226.812.73.6
Sep27° / 20°19320.112.14.7
Oct25° / 18°9114.211.56.1
Nov23° / 15°326.3117.3
Dec20° / 11°194.210.87.1

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 18% of February, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14357
24456
34555
44555
54753
64852
74852
84951
94951
105050
115050
125149
135149
145248
155347
165347
175347
185446
195446
205446
215446
225545
235644
245644
255644
265842
275842
285842

Chance of precipitation in February

Any precipitation

Vieng Xai gets around 14 mm of rain over 3.8 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 14% and peaks near 18% on the wettest days.

0%10%20%30%151015202528
Rain chance (%)
114
213
313
413
513
612
712
812
912
1013
1113
1213
1313
1414
1514
1614
1715
1815
1915
2015
2116
2216
2316
2417
2517
2617
2717
2818

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the dry band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1623260
2613360
3613360
4613360
5603460
6593470
7583570
8573580
9573580
10563590
115535100
125435110
135435110
145236120
155136130
164837141
174738151
184538161
194339171
204239181
214139191
224039201
233939202
243839212
253739222
263739222
273639232
283539242

Wind in February

Winds average 6 km/h in February, the windiest month of the year.

Across February, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 06 min at the start of February to 11 h 30 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 6:44 AM to 6:30 AM, and sunset from 5:49 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:445:49
211.16:445:50
311.16:445:50
411.16:435:51
511.16:435:51
611.26:435:52
711.26:425:53
811.26:425:53
911.26:415:54
1011.26:415:54
1111.26:405:55
1211.36:405:55
1311.36:405:56
1411.36:395:56
1511.36:395:57
1611.36:385:57
1711.36:375:58
1811.46:375:58
1911.46:365:59
2011.46:365:59
2111.46:356:00
2211.46:346:00
2311.46:346:01
2411.56:336:01
2511.56:326:02
2611.56:326:02
2711.56:316:02
2811.56:306:03

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 4 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.2 kWh/m² in April across the year — February's 4 kWh/m² falls in the middle.

012345151015202528
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Moderate
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
Planning a trip in February

Hazard calendar for Vieng Xai

In seasonPeak

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

Vieng Xai'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 February a good time to visit Vieng Xai?

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

7.6
Sightseeing
1st-best month of the year
5.5
Beach & pool
4th-best month of the year

February is one of the better times to visit Vieng Xai for general sightseeing.

What to pack for Vieng Xai in February

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

In February, Vieng Xai sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes. About 4 days see rain.

light clothes

UV index in Vieng Xai 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 Vieng Xai peaks around August 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 12UV 14Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar10Very high
Apr9Very high
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep10Very high
Oct9Very high
Nov8Very high
Dec7High

Air quality in Vieng Xai 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 Vieng Xai is worst in April — around 288 µg/m³ PM2.5 (very unhealthy), about 35.5× the cleanest month (August, 8 µg/m³).

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

0306090120150180210240270JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyGoodModerateApr 15263 µg/m³Aug 128 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb28Moderate
Mar98Unhealthy
Apr288Very unhealthy
May64Unhealthy
Jun14Moderate
Jul9Good
Aug8Good
Sep11Good
Oct15Moderate
Nov15Moderate
Dec19Moderate
Location & terrain

Where is Vieng Xai?

Vieng Xai sits at 20.4°N, 104.2°E, 0 m above sea level, in Laos. The nearest listed city is Xam Nua, 19 km away.

Bản Na HỷSơn LaHòa BìnhÍt OngThị Trấn Thuận ChâuThị Trấn Lam SơnNghĩa Lộ

Topography around Vieng Xai

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

Within 3 km, the terrain around Vieng Xai has large variations in elevation — a maximum elevation change of 661 m around an average of 915 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,998 m.

The land around Vieng Xai is covered by trees (65%) and grassland (25%) within 3 km, trees (86%) within 16 km, and trees (82%) within 80 km.

3 km
661 m
16 km
1,259 m
80 km
1,998 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Xam Nua 19 km · Bản Na Hỷ 99 km · Sơn La 107 km · Hòa Bình 125 km · Ít Ong 125 km · Thị Trấn Thuận Châu 127 km · Thị Trấn Lam Sơn 135 km · Nghĩa Lộ 136 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 Vieng Xai (20.4068°, 104.2238°, elevation 0 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).