Muang Sing weather in May

In May, Muang Sing sees average daytime highs of 30°C and overnight lows near 21°C, with 231 mm of rain across 22.3 wet days and about 13 hours of daylight. It is the 2nd-warmest and 4th-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 19% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Muang Sing's 8th-clearest and 4th-windiest month. For the whole year in context, see Muang Sing's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
21°
8th coldest
Rainfall
231 mm
22.3 wet days
Daylight
13 hours
5:41 AM – 6:42 PM
Cloud cover
69%
8th clearest
Wind
6 km/h
4th windiest
Solar energy
5.42 kWh/m²
Travel score
3.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Muang Sing reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How May really feels in Muang Sing

Once humidity and wind are folded in, May averages 12 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
12
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.

Muang Sing weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 12°355.310.98.1
Feb27° / 13°254.111.37.9
Mar29° / 15°677.911.96.1
Apr30° / 19°15014.512.54.5
May30° / 21°23122.3133.6
Jun29° / 22°24226.113.33.0
Jul29° / 22°31928.313.23.1
Aug29° / 22°31528.312.73.1
Sep28° / 21°20623.412.13.8
Oct27° / 19°12017.111.55.4
Nov25° / 16°567.7117.3
Dec23° / 13°395.510.77.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35743
45644
55545
65347
75248
85050
94852
104753
114555
124357
134258
143961
153862
163664
173466
183367
193070
202971
212773
222674
232476
242377
252278
262080
271882
281783
291585
301585
311387

Chance of precipitation in May

Any precipitation

Muang Sing gets around 231 mm of rain over 22.3 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 72% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
161
261
361
462
562
663
763
864
965
1066
1167
1268
1368
1469
1570
1671
1772
1873
1974
2075
2176
2277
2378
2479
2580
2681
2782
2883
2984
3085
3185

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1120754
2119755
3118765
4117766
5216748
6215749
72147311
82137312
92127214
102117116
112107018
122106820
13296722
14296524
15286426
16276229
17276031
18265834
19255736
20255439
21145441
22145144
23144947
24134650
25134452
26124156
27123958
28013663
29013465
30013267
31013069

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:50 AM to 5:37 AM, and sunset from 6:36 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:506:36
212.85:496:36
312.85:486:36
412.85:486:37
512.85:476:37
612.95:466:38
712.95:466:38
812.95:456:38
912.95:456:39
1012.95:446:39
1112.95:446:40
1212.95:436:40
1313.05:436:41
1413.05:426:41
1513.05:426:41
1613.05:416:42
1713.05:416:42
1813.05:416:43
1913.05:406:43
2013.15:406:44
2113.15:406:44
2213.15:396:44
2313.15:396:45
2413.15:396:45
2513.15:386:46
2613.15:386:46
2713.15:386:47
2813.25:386:47
2913.25:386:47
3013.25:376:48
3113.25:376:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.42 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.05 kWh/m² in April across the year — May's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Muang Sing

In seasonPeak

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

Muang Sing's monsoon runs April–September, 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 Muang Sing?

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

3.6
Sightseeing
9th-best month of the year
4.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Muang Sing.

What to pack for Muang Sing in May

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

In May, Muang Sing sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Muang Sing 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 Muang Sing peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 22UV 13Dec 20UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar11Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Muang Sing 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 Muang Sing is worst in April — around 445 µg/m³ PM2.5 (very unhealthy), about 55.0× the cleanest month (November, 8 µg/m³).

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

0306090120150180210240270300330360390420JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 14414 µg/m³Nov 98 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb30Moderate
Mar249Very unhealthy
Apr445Very unhealthy
May64Unhealthy
Jun11Good
Jul9Good
Aug9Good
Sep8Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is Muang Sing?

Muang Sing sits at 21.2°N, 101.1°E, 639 m above sea level, in Laos. The nearest listed city is Luang Namtha, 38 km away.

Möng YawngMuang XayBan HouakhouaMöng LaKengtungBan KhoanTachilek

Topography around Muang Sing

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

Within 3 km, the terrain around Muang Sing has only modest variations in elevation — a maximum elevation change of 97 m around an average of 649 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,328 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,656 m.

The land around Muang Sing is covered by cropland (65%) and trees (26%) within 3 km, trees (85%) within 16 km, and trees (94%) within 80 km.

3 km
97 m
16 km
1,328 m
80 km
1,656 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Luang Namtha 38 km · Möng Yawng 82 km · Muang Xay 103 km · Ban Houakhoua 128 km · Möng La 129 km · Kengtung 135 km · Ban Khoan 144 km · Tachilek 156 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 Sing (21.1921°, 101.1479°, elevation 639 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).