Xam Nua weather in March

In March, Xam Nua sees average daytime highs of 25°C and overnight lows near 14°C, with 63 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 8th-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 42% of the time in March, and the air most often feels comfortable.

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

Daytime high
25°
7th warmest
Overnight low
14°
5th coldest
Rainfall
63 mm
10.2 wet days
Daylight
11 h 54 min
6:18 AM – 6:09 PM
Cloud cover
51%
1st clearest
Wind
6 km/h
1st windiest
Solar energy
4.96 kWh/m²
Travel score
6.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Xam Nua reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, March runs about 3°C warmer than February and about 2°C cooler than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12413
22413
32413
42513
52513
62513
72513
82514
92514
102514
112514
122514
132614
142614
152614
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262615
272616
282616
292616
302616
312616

Xam Nua weather by month

How March compares with the rest of the year at a glance. March is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 10°244.210.97.1
Feb22° / 12°173.711.37.7
Mar25° / 14°6310.211.96.9
Apr27° / 17°11317.412.55.4
May28° / 20°20923.6134.0
Jun29° / 21°21724.513.23.5
Jul28° / 21°27626.813.13.6
Aug27° / 20°31227.412.73.7
Sep26° / 19°20021.512.14.6
Oct24° / 17°9214.611.56.1
Nov22° / 14°317117.2
Dec20° / 11°183.610.87.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in March, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36337
46337
56337
66337
76436
86337
96337
106337
116238
126139
136139
146040
156040
165941
175842
185743
195644
205644
215644
225545
235446
245446
255446
265446
275347
285347
295347
305347
315347

Chance of precipitation in March

Any precipitation

Xam Nua gets around 63 mm of rain over 10.2 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 32% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
119
219
320
420
521
621
722
823
924
1025
1125
1226
1328
1429
1530
1631
1733
1834
1935
2037
2138
2240
2341
2442
2543
2644
2745
2846
2947
3048
3148

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14539160
24339170
34240180
44140191
53940201
63841211
73641221
83442231
93242252
103043262
112743272
122544292
132344303
142144323
151945333
161844343
171644364
181543384
191542394
201441414
211339425
221338445
231237465
241235476
251234496
261132507
271131517
281029538
291028539
309275410
318255611

Wind in March

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

Across March, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 36 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over March. Sunrise moves from 6:30 AM to 6:04 AM, and sunset from 6:04 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:306:04
211.66:296:04
311.66:296:05
411.66:286:05
511.66:276:05
611.76:266:06
711.76:266:06
811.76:256:07
911.76:246:07
1011.76:236:07
1111.86:226:08
1211.86:216:08
1311.86:206:08
1411.86:206:09
1511.86:196:09
1611.96:186:09
1711.96:176:09
1811.96:166:10
1911.96:156:10
2011.96:146:10
2112.06:136:11
2212.06:126:11
2312.06:126:11
2412.06:116:11
2512.06:106:12
2612.16:096:12
2712.16:086:12
2812.16:076:13
2912.16:066:13
3012.16:056:13
3112.26:046:13

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.96 kWh/m².

For context, solar energy here swings from a low near 3.3 kWh/m² to a high of 5.34 kWh/m² in April across the year — March's 4.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.1Bright
Planning a trip in March

Hazard calendar for Xam Nua

In seasonPeak

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

Xam Nua'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 Xam Nua?

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

6.9
Sightseeing
5th-best month of the year
6.4
Beach & pool
1st-best month of the year

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

What to pack for Xam Nua in March

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

In March, Xam Nua sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Xam Nua in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Xam Nua 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 highExtremeVery highAug 12UV 14Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Extreme
Apr9Very high
May11Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep10Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Xam Nua 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 Xam Nua 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 Xam Nua?

Xam Nua sits at 20.4°N, 104.0°E, 957 m above sea level, in Laos. The nearest listed city is Vieng Xai, 19 km away.

Sơn LaBản Na HỷThị Trấn Thuận ChâuÍt OngMuang PhônsavanNghĩa LộHòa Bình

Topography around Xam Nua

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

Within 3 km, the terrain around Xam Nua has significant variations in elevation — a maximum elevation change of 373 m around an average of 1,033 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,118 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,963 m.

The land around Xam Nua is covered by trees (65%) within 3 km, trees (83%) within 16 km, and trees (82%) within 80 km.

3 km
373 m
16 km
1,118 m
80 km
1,963 m
treesgrasslandcroplandartificial surfacesbare terrain
March weather nearby: Vieng Xai 19 km · Sơn La 102 km · Bản Na Hỷ 108 km · Thị Trấn Thuận Châu 119 km · Ít Ong 122 km · Muang Phônsavan 140 km · Nghĩa Lộ 140 km · Hòa Bình 142 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 Xam Nua (20.4164°, 104.045°, elevation 957 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).