Sekong weather in May

In May, Sekong sees average daytime highs of 30°C and overnight lows near 22°C, with 272 mm of rain across 28.3 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 31°C in the first days to 30°C by the end. The sky is clear or mostly clear about 3% 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 Sekong's 8th-clearest and 10th-windiest month. For the whole year in context, see Sekong's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
22°
12th coldest
Rainfall
272 mm
28.3 wet days
Daylight
12 h 42 min
5:28 AM – 6:11 PM
Cloud cover
83%
8th clearest
Wind
4 km/h
10th windiest
Solar energy
5.2 kWh/m²
Travel score
2.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 30°C by the end.

A typical May day in Sekong 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 28°C and 33°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13222
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How May really feels in Sekong

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.

Sekong 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
Jan29° / 16°8211.26.9
Feb30° / 18°184.511.55.6
Mar32° / 20°7211.511.94.2
Apr32° / 22°13821.212.33.0
May30° / 22°27228.312.72.7
Jun29° / 22°27628.812.92.9
Jul28° / 22°35030.412.83.2
Aug28° / 22°35230.312.53.3
Sep28° / 22°34128.212.13.4
Oct28° / 20°18018.711.74.5
Nov28° / 19°687.511.36.1
Dec28° / 17°152.711.17.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32674
42476
52278
62278
72080
81981
91981
101783
111684
121684
131585
141486
151387
161288
171189
181090
19991
20991
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892
31892

Chance of precipitation in May

Any precipitation

Sekong gets around 272 mm of rain over 28.3 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 90% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
282
383
485
586
686
787
888
988
1089
1189
1290
1390
1491
1591
1692
1792
1892
1993
2093
2193
2294
2394
2494
2594
2694
2794
2894
2994
3094
3194

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1224740
2221770
3219790
4117820
5115840
6113860
7111880
8110890
918910
1017920
1116921
1215931
1314941
1413951
1513951
1602971
1702971
1802962
1902962
2002962
2102962
2202962
2302962
2402962
2502971
2602971
2702971
2802971
2902971
3002971
3102971

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:34 AM to 5:25 AM, and sunset from 6:07 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:346:07
212.65:346:07
312.65:336:07
412.65:336:07
512.65:326:08
612.65:326:08
712.65:316:08
812.65:316:08
912.65:306:09
1012.65:306:09
1112.75:306:09
1212.75:296:09
1312.75:296:10
1412.75:296:10
1512.75:286:10
1612.75:286:11
1712.75:286:11
1812.75:276:11
1912.75:276:12
2012.75:276:12
2112.85:276:12
2212.85:276:13
2312.85:266:13
2412.85:266:13
2512.85:266:14
2612.85:266:14
2712.85:266:14
2812.85:266:15
2912.85:266:15
3012.85:256:15
3112.85:256:16

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 3.94 kWh/m² to a high of 6.04 kWh/m² in March across the year — May's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Sekong

In seasonPeak

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

Sekong's monsoon runs May–October, 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 Sekong?

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

2.7
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 Sekong.

What to pack for Sekong in May

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

In May, Sekong 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 Sekong 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 Sekong peaks around August 14 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 14UV 14Dec 14UV 8
UV index (midday)Level
Jan10Very high
Feb9Very high
Mar9Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Sekong 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 Sekong is worst in March — around 185 µg/m³ PM2.5 (very unhealthy), about 26.0× the cleanest month (November, 7 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyUnhealthyModerateGoodMar 17170 µg/m³Nov 197 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb63Unhealthy
Mar185Very unhealthy
Apr66Unhealthy
May16Moderate
Jun11Good
Jul11Good
Aug10Good
Sep9Good
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Sekong?

Sekong sits at 15.3°N, 106.7°E, 148 m above sea level, in Laos. The nearest listed city is Ban Laongam, 61 km away.

Ban LaongamPakseChampasakBà NàPhong ĐiềnHương TràHương ThủyHue

Topography around Sekong

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

Within 3 km, the terrain around Sekong has only modest variations in elevation — a maximum elevation change of 159 m around an average of 158 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,120 m.

The land around Sekong is covered by trees (60%) within 3 km, trees (83%) within 16 km, and trees (83%) within 80 km.

3 km
159 m
16 km
1,170 m
80 km
2,120 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ban Laongam 61 km · Pakse 102 km · Champasak 104 km · Bà Nà 152 km · Phong Điền 154 km · Hương Trà 154 km · Hương Thủy 155 km · Hue 155 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 Sekong (15.3458°, 106.7237°, elevation 148 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).