Pakse weather in May

In May, Pakse sees average daytime highs of 33°C and overnight lows near 25°C, with 190 mm of rain across 22.2 wet days and about 12.7 hours of daylight. It is the 3rd-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 9% of the time in May, and the air most often feels miserable.

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 Pakse's 8th-clearest and 8th-windiest month. For the whole year in context, see Pakse's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
190 mm
22.2 wet days
Daylight
12 h 42 min
5:32 AM – 6:14 PM
Cloud cover
80%
8th clearest
Wind
5 km/h
8th windiest
Solar energy
5.12 kWh/m²
Travel score
2.4
out of 10

Pakse is city in Laos.

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

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 Pakse 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 2°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Pakse

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.

Pakse weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°20.711.25.5
Feb33° / 20°41.211.54.6
Mar34° / 23°244.411.93.4
Apr35° / 25°5310.112.32.7
May33° / 25°19022.212.72.4
Jun31° / 25°31726.612.92.5
Jul30° / 24°44329.212.82.6
Aug30° / 24°44429.312.52.6
Sep30° / 24°3342712.12.8
Oct30° / 23°13917.111.73.9
Nov31° / 21°34511.35.2
Dec31° / 19°61.311.15.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24060
33763
43664
53367
63268
73070
82872
92674
102476
112377
122179
132080
141882
151783
161684
171585
181486
191486
201288
211189
221189
231189
241189
251189
261189
271090
281090
291090
301090
311090

Chance of precipitation in May

Any precipitation

Pakse gets around 190 mm of rain over 22.2 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 71% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
252
353
454
556
657
758
860
962
1063
1165
1267
1369
1470
1572
1674
1775
1876
1978
2079
2180
2281
2382
2482
2582
2683
2783
2883
2984
3084
3184

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 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
155738
245640
345442
435344
535047
624949
724751
824553
914356
1014158
1113960
1213762
1313564
1403367
1503169
1602971
1702773
1802575
1902476
2002278
2102080
2201981
2311782
2411683
2511584
2611485
2711386
2811287
2911188
3011089
3111089

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 5 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
295calm
305calm
315calm

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 5:38 AM to 5:29 AM, and sunset from 6:10 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:386:10
212.55:376:10
312.65:376:11
412.65:376:11
512.65:366:11
612.65:366:11
712.65:356:12
812.65:356:12
912.65:346:12
1012.65:346:12
1112.65:346:13
1212.75:336:13
1312.75:336:13
1412.75:336:13
1512.75:326:14
1612.75:326:14
1712.75:326:14
1812.75:316:15
1912.75:316:15
2012.75:316:15
2112.75:316:16
2212.85:316:16
2312.85:306:16
2412.85:306:17
2512.85:306:17
2612.85:306:17
2712.85:306:18
2812.85:306:18
2912.85:306:18
3012.85:306:19
3112.85:296:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 5.94 kWh/m² in March across the year — May's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Pakse

In seasonPeak

In May, Pakse sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Pakse sits in the Pacific typhoon belt; the season peaks July–October.

Pakse's monsoon runs June–September, when most of the year's rain falls.

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

Is May a good time to visit Pakse?

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

2.4
Sightseeing
12th-best month of the year
4.3
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Pakse.

What to pack for Pakse in May

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

In May, Pakse 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 Pakse 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 Pakse peaks around August 13 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 highAug 13UV 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar11Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Pakse 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 Pakse is worst in March — around 110 µg/m³ PM2.5 (unhealthy), about 11.5× the cleanest month (December, 10 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodMar 16103 µg/m³Dec 910 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb59Unhealthy
Mar110Unhealthy
Apr50Poor
May19Moderate
Jun14Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Pakse?

Pakse sits at 15.1°N, 105.8°E, 105 m above sea level, in Laos. The nearest listed city is Champasak, 27 km away.

Ban LaongamPhibun MangsahanDet UdomWarin ChamrapSekongUbon RatchathaniKantharalak

Topography around Pakse

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

Within 3 km, the terrain around Pakse has only modest variations in elevation — a maximum elevation change of 151 m around an average of 101 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,167 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,611 m.

The land around Pakse is covered by water (33%) and artificial surfaces (24%) within 3 km, trees (44%) and cropland (32%) within 16 km, and trees (58%) and cropland (30%) within 80 km.

3 km
151 m
16 km
1,167 m
80 km
1,611 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Champasak 27 km · Ban Laongam 55 km · Phibun Mangsahan 63 km · Det Udom 81 km · Warin Chamrap 101 km · Sekong 102 km · Ubon Ratchathani 103 km · Kantharalak 135 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 Pakse (15.1202°, 105.799°, elevation 105 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).