Ban Xénô weather in May

In May, Ban Xénô sees average daytime highs of 33°C and overnight lows near 25°C, with 197 mm of rain across 22.1 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 11% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Ban Xénô's 8th-clearest and 11th-windiest month. For the whole year in context, see Ban Xénô's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
25°
11th coldest
Rainfall
197 mm
22.1 wet days
Daylight
12 h 48 min
5:33 AM – 6:20 PM
Cloud cover
78%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
5.27 kWh/m²
Travel score
2.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical May day in Ban Xénô reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Ban Xénô

Once humidity and wind are folded in, May averages 31 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
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Ban Xénô weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°4111.17.2
Feb31° / 19°112.311.45.9
Mar33° / 22°355.511.94.2
Apr34° / 24°6210.712.43.0
May33° / 25°19722.112.82.5
Jun32° / 25°23324.2132.6
Jul31° / 25°3242712.92.7
Aug30° / 25°33528.512.62.6
Sep31° / 24°27523.912.13.0
Oct31° / 23°11411.811.64.4
Nov30° / 21°253.211.25.9
Dec28° / 18°61.2117.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34357
44258
53961
63763
73565
83466
93367
103070
112872
122773
132575
142476
152179
162080
171981
181783
191783
201585
211585
221486
231486
241387
251387
261387
271387
281387
291387
301288
311288

Chance of precipitation in May

Any precipitation

Ban Xénô gets around 197 mm of rain over 22.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 70% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
254
355
456
557
659
760
861
962
1064
1165
1266
1368
1469
1570
1671
1772
1874
1975
2076
2177
2278
2379
2480
2581
2681
2782
2882
2983
3083
3183

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1195436
2185239
3185041
4174844
5174647
6164449
7064252
8064054
9053758
10153559
11143461
12143263
13143065
14142867
15132769
16132571
17132472
18132274
19122176
20122077
21021880
22021781
23021682
24021583
25011386
26011287
27011188
28011089
2901990
3001990
3101891

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:39 AM to 5:30 AM, and sunset from 6:15 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:396:15
212.65:396:15
312.65:386:16
412.65:386:16
512.65:376:16
612.75:376:16
712.75:366:17
812.75:366:17
912.75:366:17
1012.75:356:18
1112.75:356:18
1212.75:346:18
1312.75:346:19
1412.85:346:19
1512.85:336:19
1612.85:336:20
1712.85:336:20
1812.85:326:20
1912.85:326:21
2012.85:326:21
2112.85:326:21
2212.85:316:22
2312.85:316:22
2412.95:316:22
2512.95:316:23
2612.95:316:23
2712.95:306:23
2812.95:306:24
2912.95:306:24
3012.95:306:24
3112.95:306:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.06 kWh/m² in April across the year — May's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Ban Xénô

In seasonPeak

In May, Ban Xénô sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Ban Xénô'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 May a good time to visit Ban Xénô?

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

2.5
Sightseeing
12th-best month of the year
4.5
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Ban Xénô.

What to pack for Ban Xénô in May

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

In May, Ban Xénô sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Ban Xénô in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ban Xénô peaks around July 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 15UV 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug12Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Ban Xénô in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Ban Xénô is worst in March — around 55 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (November, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1952 µg/m³Nov 2112 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb27Moderate
Mar55Poor
Apr40Poor
May22Moderate
Jun18Moderate
Jul19Moderate
Aug19Moderate
Sep17Moderate
Oct16Moderate
Nov12Good
Dec13Moderate
Location & terrain

Where is Ban Xénô?

Ban Xénô sits at 16.7°N, 105.0°E, 197 m above sea level, in Laos. The nearest listed city is Savannakhet, 27 km away.

Tha KhaekNakhon PhanomKhao WongAmnat CharoenKuchinarai

Topography around Ban Xénô

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

Within 3 km, the terrain around Ban Xénô has only modest variations in elevation — a maximum elevation change of 31 m around an average of 188 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, significant variations in elevation — a maximum elevation change of 525 m.

The land around Ban Xénô is covered by cropland (66%) within 3 km, cropland (46%) and trees (37%) within 16 km, and trees (52%) and cropland (37%) within 80 km.

3 km
31 m
16 km
85 m
80 km
525 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Savannakhet 27 km · Mukdahan 32 km · Ban Kèngkok 34 km · Tha Khaek 83 km · Nakhon Phanom 85 km · Khao Wong 96 km · Amnat Charoen 99 km · Kuchinarai 101 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 Ban Xénô (16.6759°, 104.988°, elevation 197 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).