Ban Laongam weather in May

In May, Ban Laongam sees average daytime highs of 30°C and overnight lows near 22°C, with 288 mm of rain across 28.4 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 4% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Ban Laongam's 8th-clearest and 11th-windiest month. For the whole year in context, see Ban Laongam's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
22°
11th coldest
Rainfall
288 mm
28.4 wet days
Daylight
12 h 42 min
5:30 AM – 6:13 PM
Cloud cover
83%
8th clearest
Wind
5 km/h
11th windiest
Solar energy
5.2 kWh/m²
Travel score
2.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Ban Laongam reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Ban Laongam

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
heat index over the day's high
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 Laongam weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°143.411.27.5
Feb29° / 18°315.511.56.1
Mar31° / 20°10213.811.94.3
Apr31° / 22°17921.812.33.3
May30° / 22°28828.412.72.8
Jun29° / 23°25628.712.92.9
Jul28° / 22°33530.612.83.1
Aug28° / 22°38430.412.53.2
Sep28° / 22°36128.212.13.4
Oct28° / 20°20819.611.64.6
Nov28° / 18°739.511.36.5
Dec27° / 16°194.211.17.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
22971
32773
42575
52476
62278
72179
81981
91882
101585
111486
121387
131288
141288
151090
161090
17991
18991
19991
20892
21892
22892
23892
24892
25892
26892
27892
28892
29793
30793
31694

Chance of precipitation in May

Any precipitation

Ban Laongam gets around 288 mm of rain over 28.4 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 91% and peaks near 95% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
183
284
385
486
587
688
788
889
990
1090
1190
1291
1391
1491
1591
1691
1792
1892
1992
2092
2193
2293
2393
2493
2593
2694
2794
2894
2994
3095
3195

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1120790
2118810
3116830
4114850
5113860
6111880
7110890
819900
917920
1016930
1116930
1215940
1314950
1414950
1503961
1603961
1703961
1802971
1902971
2002971
2102971
2202971
2301981
2401981
2501981
2601981
2701981
2801990
2901990
3001990
3101990

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 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 5:36 AM to 5:27 AM, and sunset from 6:09 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:366:09
212.65:366:09
312.65:356:09
412.65:356:10
512.65:346:10
612.65:346:10
712.65:336:10
812.65:336:11
912.65:326:11
1012.75:326:11
1112.75:326:12
1212.75:316:12
1312.75:316:12
1412.75:316:12
1512.75:306:13
1612.75:306:13
1712.75:306:13
1812.75:306:14
1912.75:296:14
2012.85:296:14
2112.85:296:15
2212.85:296:15
2312.85:286:15
2412.85:286:16
2512.85:286:16
2612.85:286:16
2712.85:286:17
2812.85:286:17
2912.85:286:17
3012.85:276:18
3112.85:276:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 5.95 kWh/m² in April across the year — May's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Ban Laongam

In seasonPeak

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

Ban Laongam's rainy season runs April–October, when most of the year's rain falls.

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

Is May a good time to visit Ban Laongam?

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

2.8
Sightseeing
12th-best month of the year
3.9
Beach & pool
8th-best month of the year

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

What to pack for Ban Laongam in May

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

In May, Ban Laongam sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Ban Laongam in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Ban Laongam peaks around August 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highAug 12UV 14Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar10Extreme
Apr10Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ban Laongam 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 Laongam is worst in March — around 154 µg/m³ PM2.5 (very unhealthy), about 18.2× the cleanest month (November, 9 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodMar 19144 µg/m³Nov 209 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb35Poor
Mar154Very unhealthy
Apr89Unhealthy
May15Moderate
Jun10Good
Jul10Good
Aug10Good
Sep9Good
Oct11Good
Nov9Good
Dec9Good
Location & terrain

Where is Ban Laongam?

Ban Laongam sits at 15.5°N, 106.2°E, 547 m above sea level, in Laos. The nearest listed city is Pakse, 55 km away.

PakseSekongChampasakPhibun MangsahanDet UdomWarin ChamrapUbon RatchathaniBan Kèngkok

Topography around Ban Laongam

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

Within 3 km, the terrain around Ban Laongam has only modest variations in elevation — a maximum elevation change of 137 m around an average of 548 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,599 m.

The land around Ban Laongam is covered by cropland (66%) and trees (26%) within 3 km, trees (51%) and cropland (42%) within 16 km, and trees (73%) within 80 km.

3 km
137 m
16 km
1,347 m
80 km
1,599 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Pakse 55 km · Sekong 61 km · Champasak 71 km · Phibun Mangsahan 103 km · Det Udom 132 km · Warin Chamrap 143 km · Ubon Ratchathani 144 km · Ban Kèngkok 150 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 Laongam (15.4655°, 106.1668°, elevation 547 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).