Muang Phônsavan weather in August

In August, Muang Phônsavan sees average daytime highs of 26°C and overnight lows near 20°C, with 275 mm of rain across 28.6 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 26°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels muggy.

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 Muang Phônsavan's 10th-clearest and 11th-windiest month. For the whole year in context, see Muang Phônsavan's year-round climate.

Daytime high
26°
6th warmest
Overnight low
20°
10th coldest
Rainfall
275 mm
28.6 wet days
Daylight
12 h 42 min
5:51 AM – 6:31 PM
Cloud cover
91%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
3.92 kWh/m²
Travel score
3.6
out of 10

Muang Phônsavan is town in Laos.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Muang Phônsavan reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102620
112620
122620
132620
142620
152620
162620
172620
182620
192620
202620
212620
222620
232620
242620
252620
262620
272620
282620
292620
302620
312620

Muang Phônsavan 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
Jan23° / 10°203.3118.1
Feb25° / 11°183.811.38.2
Mar26° / 14°6310.611.96.8
Apr27° / 17°11718.912.45.2
May28° / 19°16525.212.94.0
Jun27° / 21°1852613.23.7
Jul27° / 20°25327.813.13.6
Aug26° / 20°27528.612.73.6
Sep26° / 19°1732112.14.7
Oct25° / 17°6810.911.66.6
Nov24° / 13°204.511.18.0
Dec22° / 10°142.410.88.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5397
6397
7496
8496
9496
10496
11595
12595
13694
14694
15694
16793
17793
18892
19892
20892
21991
22991
23991
24991
25991
26991
27991
28991
291090
301090
311090

Chance of precipitation in August

Any precipitation

Muang Phônsavan gets around 275 mm of rain over 28.6 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 92% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1094
1194
1293
1393
1493
1592
1692
1792
1892
1991
2091
2191
2290
2390
2490
2589
2689
2789
2888
2988
3087
3187

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10964
20955
30955
40955
50955
60955
70955
80955
90955
100955
110955
121945
131954
141954
151954
161954
171963
181963
191963
201963
211972
221972
231972
241972
251972
261972
271972
281972
291972
301972
312962

Wind in August

Winds average 5 km/h in August.

Across August, 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
16calm
26calm
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 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 5:55 AM, and sunset from 6:40 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:476:40
212.95:476:40
312.95:476:39
412.85:486:39
512.85:486:38
612.85:486:38
712.85:496:37
812.85:496:36
912.85:496:36
1012.85:506:35
1112.75:506:35
1212.75:506:34
1312.75:506:33
1412.75:516:33
1512.75:516:32
1612.75:516:31
1712.75:526:31
1812.65:526:30
1912.65:526:29
2012.65:526:28
2112.65:536:28
2212.65:536:27
2312.55:536:26
2412.55:536:25
2512.55:546:25
2612.55:546:24
2712.55:546:23
2812.55:546:22
2912.45:556:21
3012.45:556:20
3112.45:556:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.92 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 5.63 kWh/m² in April across the year — August's 3.92 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.0Bright
304.1Bright
314.1Bright
Planning a trip in August

Hazard calendar for Muang Phônsavan

In seasonPeak

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

Muang Phônsavan'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 Muang Phônsavan?

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

3.6
Sightseeing
11th-best month of the year
3.6
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Muang Phônsavan.

What to pack for Muang Phônsavan in August

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

In August, Muang Phônsavan sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.

rain gearlight clothes

UV index in Muang Phônsavan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muang Phônsavan peaks around June 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJun 20UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Extreme
May12Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Muang Phônsavan 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 Muang Phônsavan is worst in April — around 227 µg/m³ PM2.5 (very unhealthy), about 32.9× the cleanest month (August, 7 µg/m³).

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

0306090120150180210240JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 10223 µg/m³Aug 247 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb33Moderate
Mar206Very unhealthy
Apr227Very unhealthy
May22Moderate
Jun8Good
Jul7Good
Aug7Good
Sep7Good
Oct8Good
Nov7Good
Dec9Good
Location & terrain

Where is Muang Phônsavan?

Muang Phônsavan sits at 19.4°N, 103.2°E, 1,106 m above sea level, in Laos. The nearest listed city is Vang Vieng, 98 km away.

Vang ViengBorikhanLuang PrabangPakxanNong KhiawXam NuaBản Na HỷVieng Xai

Topography around Muang Phônsavan

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

Within 3 km, the terrain around Muang Phônsavan has only modest variations in elevation — a maximum elevation change of 229 m around an average of 1,111 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,599 m.

The land around Muang Phônsavan is covered by grassland (36%), cropland (27%) and artificial surfaces (26%) within 3 km, trees (45%) and grassland (35%) within 16 km, and trees (82%) within 80 km.

3 km
229 m
16 km
903 m
80 km
2,599 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Vang Vieng 98 km · Borikhan 113 km · Luang Prabang 119 km · Pakxan 127 km · Nong Khiaw 139 km · Xam Nua 140 km · Bản Na Hỷ 141 km · Vieng Xai 152 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 Muang Phônsavan (19.4494°, 103.1917°, elevation 1,106 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).