Nong Khiaw weather in August

In August, Nong Khiaw sees average daytime highs of 30°C and overnight lows near 23°C, with 299 mm of rain across 26.2 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 1st-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 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Nong Khiaw's 10th-clearest and 10th-windiest month. For the whole year in context, see Nong Khiaw's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
10th coldest
Rainfall
299 mm
26.2 wet days
Daylight
12 h 42 min
5:52 AM – 6:35 PM
Cloud cover
88%
10th clearest
Wind
4 km/h
10th windiest
Solar energy
4.18 kWh/m²
Travel score
3.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Nong Khiaw reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How August really feels in Nong Khiaw

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nong Khiaw weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 13°192.910.98.2
Feb28° / 14°101.711.37.4
Mar31° / 17°335.911.95.3
Apr32° / 20°8111.412.54.1
May32° / 23°14419133.3
Jun31° / 24°17921.313.23.0
Jul30° / 24°28325.413.13.0
Aug30° / 23°29926.212.73.1
Sep30° / 22°18019.912.13.9
Oct29° / 20°669.811.55.7
Nov27° / 17°233.7117.7
Dec25° / 13°18310.88.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5595
6595
7694
8694
9694
10793
11793
12892
13991
141090
151189
161189
171288
181288
191387
201387
211387
221387
231387
241585
251486
261585
271585
281684
291684
301684
311684

Chance of precipitation in August

Any precipitation

Nong Khiaw gets around 299 mm of rain over 26.2 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
588
688
788
888
988
1088
1187
1287
1386
1486
1585
1685
1784
1884
1983
2082
2182
2281
2381
2481
2580
2680
2780
2880
2979
3079
3179

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10964
20964
30964
40955
50955
60955
70955
80955
90955
100955
110955
120955
130955
140955
150964
160964
170964
180964
190964
200964
210964
220964
230964
240955
250955
260955
270955
280955
290946
301936
311936

Wind in August

Winds average 4 km/h in August.

Across August, 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:47 AM to 5:57 AM, and sunset from 6:44 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:476:44
212.95:486:44
312.95:486:43
412.95:486:42
512.95:496:42
612.95:496:41
712.95:496:41
812.85:506:40
912.85:506:40
1012.85:506:39
1112.85:516:38
1212.85:516:38
1312.85:516:37
1412.75:526:36
1512.75:526:36
1612.75:526:35
1712.75:536:34
1812.75:536:33
1912.75:536:33
2012.65:546:32
2112.65:546:31
2212.65:546:30
2312.65:546:29
2412.65:556:29
2512.55:556:28
2612.55:556:27
2712.55:566:26
2812.55:566:25
2912.55:566:24
3012.55:566:23
3112.45:576:23

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.18 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 5.82 kWh/m² in April across the year — August's 4.18 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Nong Khiaw

In seasonPeak

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

Nong Khiaw'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 August a good time to visit Nong Khiaw?

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

3.1
Sightseeing
10th-best month of the year
4.2
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Nong Khiaw.

What to pack for Nong Khiaw in August

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

In August, Nong Khiaw sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Nong Khiaw in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nong Khiaw peaks around June 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highJun 20UV 13Dec 18UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar9Very high
Apr9Very high
May11Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Nong Khiaw in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Nong Khiaw is worst in April — around 497 µg/m³ PM2.5 (very unhealthy), about 67.1× the cleanest month (September, 7 µg/m³).

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

0306090120150180210240270300330360390420450480JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 14456 µg/m³Sep 127 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb29Moderate
Mar231Very unhealthy
Apr497Very unhealthy
May49Poor
Jun9Good
Jul8Good
Aug8Good
Sep7Good
Oct8Good
Nov9Good
Dec10Good
Location & terrain

Where is Nong Khiaw?

Nong Khiaw sits at 20.6°N, 102.6°E, 0 m above sea level, in Laos. The nearest listed city is Muang Xay, 67 km away.

Muang XayLuang PrabangDien Bien PhuLuang NamthaMuang PhônsavanThị Trấn Thuận ChâuXam NuaSơn La

Topography around Nong Khiaw

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

Within 3 km, the terrain around Nong Khiaw has very significant variations in elevation — a maximum elevation change of 1,215 m around an average of 609 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,310 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,987 m.

The land around Nong Khiaw is covered by trees (81%) within 3 km, trees (86%) within 16 km, and trees (88%) within 80 km.

3 km
1,215 m
16 km
1,310 m
80 km
1,987 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Muang Xay 67 km · Luang Prabang 89 km · Dien Bien Phu 100 km · Luang Namtha 133 km · Muang Phônsavan 139 km · Thị Trấn Thuận Châu 148 km · Xam Nua 150 km · Sơn La 160 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 Nong Khiaw (20.5708°, 102.6112°, elevation 0 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).