Nong Khiaw weather in April

In April, Nong Khiaw sees average daytime highs of 32°C and overnight lows near 20°C, with 81 mm of rain across 11.4 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 44% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Nong Khiaw's 6th-clearest and 3rd-windiest month. For the whole year in context, see Nong Khiaw's year-round climate.

Daytime high
32°
1st warmest
Overnight low
20°
7th coldest
Rainfall
81 mm
11.4 wet days
Daylight
12 h 30 min
5:56 AM – 6:24 PM
Cloud cover
49%
6th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.82 kWh/m²
Travel score
4.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical April day in Nong Khiaw reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63219
73219
83219
93220
103220
113220
123220
133220
143220
153220
163220
173220
183221
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303222

How April really feels in Nong Khiaw

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nong Khiaw weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 23% of April, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57228
67228
77228
87129
97030
107030
116931
126931
136931
146832
156832
166832
176733
186733
196733
206634
216535
226535
236436
246436
256337
266139
276139
286040
295842
305743

Chance of precipitation in April

Any precipitation

Nong Khiaw gets around 81 mm of rain over 11.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
132
232
333
433
533
634
734
835
935
1035
1136
1236
1336
1436
1536
1637
1737
1838
1939
2039
2140
2241
2341
2442
2543
2644
2745
2846
2947
3048

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12834542
22732572
31631593
41529623
51527634
61426645
71424656
81322668
91321669
1013196710
1102186812
1202176813
1302166715
1402146816
1501146817
1601136719
1701126720
1801116622
1901116523
2001106524
210196426
220096427
230086428
240076330
250076231
260066133
270065935
280055837
290055639
300045442

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:09 AM to 5:45 AM, and sunset from 6:19 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:096:19
212.26:086:20
312.26:076:20
412.26:066:20
512.36:056:21
612.36:046:21
712.36:036:21
812.36:036:21
912.36:026:22
1012.46:016:22
1112.46:006:22
1212.45:596:23
1312.45:586:23
1412.45:576:23
1512.55:566:24
1612.55:566:24
1712.55:556:24
1812.55:546:25
1912.55:536:25
2012.55:526:25
2112.65:526:26
2212.65:516:26
2312.65:506:26
2412.65:496:27
2512.65:496:27
2612.75:486:27
2712.75:476:28
2812.75:466:28
2912.75:466:28
3012.75:456:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.82 kWh/m² — the sunniest month for solar.

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 — April's 5.82 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Nong Khiaw

In seasonPeak

None of Nong Khiaw's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Nong Khiaw?

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

4.1
Sightseeing
7th-best month of the year
6.4
Beach & pool
7th-best month of the year

April is a reasonable time to visit Nong Khiaw for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nong Khiaw in April

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

In April, Nong Khiaw sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Nong Khiaw in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).