Muang Xay weather in August

In August, Muang Xay sees average daytime highs of 28°C and overnight lows near 22°C, with 334 mm of rain across 28.1 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 28°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Muang Xay's 10th-clearest and 8th-windiest month. For the whole year in context, see Muang Xay's year-round climate.

Daytime high
28°
6th warmest
Overnight low
22°
10th coldest
Rainfall
334 mm
28.1 wet days
Daylight
12 h 42 min
5:55 AM – 6:38 PM
Cloud cover
90%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
4.13 kWh/m²
Travel score
3.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Muang Xay reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°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)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822
312822

How August really feels in Muang Xay

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Muang Xay 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
Jan24° / 12°324.310.98.2
Feb26° / 13°203.811.38.0
Mar29° / 16°658.611.96.2
Apr30° / 19°14515.312.54.6
May30° / 21°23822.4133.6
Jun29° / 22°24825.613.23.1
Jul28° / 22°33128.613.13.1
Aug28° / 22°33428.112.73.3
Sep28° / 21°19922.612.14.1
Oct27° / 19°8814.211.55.9
Nov25° / 16°396.6117.6
Dec23° / 13°304.610.88.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10595
11595
12694
13694
14694
15793
16793
17793
18892
19892
20892
21892
22991
231090
241090
25991
261090
271090
281090
291189
301189
311189

Chance of precipitation in August

Any precipitation

Muang Xay gets around 334 mm of rain over 28.1 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 90% 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
1093
1193
1292
1392
1491
1591
1690
1789
1889
1988
2088
2187
2287
2387
2487
2587
2687
2787
2886
2986
3086
3186

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
11783
21783
31783
41783
51684
61684
71684
81684
91783
101783
111783
121783
131783
141783
151783
161783
171783
181783
191783
201783
211783
221783
231783
241783
251783
261783
271783
281783
291882
301882
311981

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 4 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
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours 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 36 minutes over August. Sunrise moves from 5:50 AM to 5:59 AM, and sunset from 6:47 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:506:47
212.95:506:46
312.95:506:46
412.95:516:45
512.95:516:45
612.95:516:44
712.95:526:43
812.85:526:43
912.85:526:42
1012.85:536:42
1112.85:536:41
1212.85:536:40
1312.85:546:40
1412.75:546:39
1512.75:546:38
1612.75:556:38
1712.75:556:37
1812.75:556:36
1912.75:566:35
2012.65:566:35
2112.65:566:34
2212.65:576:33
2312.65:576:32
2412.65:576:31
2512.55:576:30
2612.55:586:30
2712.55:586:29
2812.55:586:28
2912.55:596:27
3012.55:596:26
3112.45:596:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.13 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.76 kWh/m² in April across the year — August's 4.13 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Muang Xay

In seasonPeak

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

Muang Xay'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 Xay?

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

3.3
Sightseeing
10th-best month of the year
3.9
Beach & pool
11th-best month of the year

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

What to pack for Muang Xay in August

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

In August, Muang Xay sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Muang Xay 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 Muang Xay peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighJun 22UV 13Dec 19UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Extreme
Apr9Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Muang Xay 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 Xay is worst in April — around 583 µg/m³ PM2.5 (very unhealthy), about 75.7× the cleanest month (September, 8 µg/m³).

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

0306090120150180210240270300330360390420450480510540JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 15530 µg/m³Sep 118 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb24Moderate
Mar210Very unhealthy
Apr583Very unhealthy
May74Unhealthy
Jun10Good
Jul8Good
Aug8Good
Sep8Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is Muang Xay?

Muang Xay sits at 20.7°N, 102.0°E, 652 m above sea level, in Laos. The nearest listed city is Nong Khiaw, 67 km away.

Nong KhiawLuang NamthaLuang PrabangMuang SingDien Bien PhuBan HouakhouaMöng YawngMuang Phônsavan

Topography around Muang Xay

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

Within 3 km, the terrain around Muang Xay has significant variations in elevation — a maximum elevation change of 372 m around an average of 683 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,283 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,540 m.

The land around Muang Xay is covered by trees (41%) and cropland (22%) within 3 km, trees (66%) and grassland (27%) within 16 km, and trees (85%) within 80 km.

3 km
372 m
16 km
1,283 m
80 km
1,540 m
treesgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Nong Khiaw 67 km · Luang Namtha 67 km · Luang Prabang 91 km · Muang Sing 103 km · Dien Bien Phu 133 km · Ban Houakhoua 167 km · Möng Yawng 177 km · Muang Phônsavan 187 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 Xay (20.6923°, 101.9837°, elevation 652 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).