Khao Lak weather in August

In August, Khao Lak sees average daytime highs of 28°C and overnight lows near 25°C, with 322 mm of rain across 25.7 wet days and about 12.3 hours of daylight. It is the 10th-warmest and 3rd-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 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Khao Lak's 11th-clearest and 1st-windiest month. For the whole year in context, see Khao Lak's year-round climate.

Daytime high
28°
10th warmest
Overnight low
25°
8th coldest
Rainfall
322 mm
25.7 wet days
Daylight
12 h 18 min
6:23 AM – 6:40 PM
Cloud cover
87%
11th clearest
Wind
15 km/h
1st windiest
Solar energy
4.81 kWh/m²
Travel score
3.6
out of 10

Khao Lak is human settlement in Phang Nga Province, Thailand.

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 28°C through the month.

A typical August day in Khao Lak reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How August really feels in Khao Lak

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

Khao Lak weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°679.911.65.3
Feb30° / 25°427.711.75.2
Mar30° / 25°11615.311.94.4
Apr30° / 26°16821.812.23.6
May29° / 26°30226.812.43.2
Jun29° / 26°30124.812.53.4
Jul28° / 26°28825.412.53.5
Aug28° / 25°32225.712.33.6
Sep28° / 25°36326.312.13.6
Oct28° / 25°35528.811.83.3
Nov29° / 25°20823.111.63.7
Dec29° / 25°9013.111.55.0

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 5% of August, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3793
4793
5892
6892
7892
8991
9991
10991
11991
12991
13991
14991
15991
16991
171090
181090
19991
20991
21991
22991
23991
24991
25991
26892
27892
28892
29892
30892
31892

Chance of precipitation in August

Any precipitation

Khao Lak gets around 322 mm of rain over 25.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 83% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
182
282
382
483
583
683
783
883
983
1083
1183
1283
1382
1482
1582
1682
1782
1882
1982
2082
2183
2283
2383
2483
2583
2683
2783
2883
2983
3083
3184

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14357
24357
34357
44357
54357
64456
74456
84555
94654
104753
114852
124951
135050
145149
155248
165347
175446
185545
195644
205644
215743
225743
235743
245842
255842
265941
275941
286040
296040
306139
316238

Wind in August

Winds average 15 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 12 minutes over August. Sunrise moves from 6:22 AM to 6:22 AM, and sunset from 6:45 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:226:45
212.46:226:44
312.46:226:44
412.46:226:44
512.46:226:44
612.46:226:43
712.36:226:43
812.36:226:43
912.36:226:42
1012.36:226:42
1112.36:226:42
1212.36:226:41
1312.36:236:41
1412.36:236:41
1512.36:236:40
1612.36:236:40
1712.36:236:39
1812.36:236:39
1912.36:236:38
2012.36:236:38
2112.26:226:37
2212.26:226:37
2312.26:226:37
2412.26:226:36
2512.26:226:36
2612.26:226:35
2712.26:226:34
2812.26:226:34
2912.26:226:33
3012.26:226:33
3112.26:226:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.1 kWh/m² in March across the year — August's 4.81 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Khao Lak

In seasonPeak

In August, Khao Lak sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Khao Lak sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Khao Lak's rainy season runs April–November, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Khao Lak?

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

3.6
Sightseeing
6th-best month of the year
4.2
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Khao Lak.

What to pack for Khao Lak in August

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

In August, Khao Lak sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Khao Lak in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in April at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Khao Lak 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 Khao Lak peaks around August 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeAug 21UV 13Dec 12UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Khao Lak 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 Khao Lak is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2216 µg/m³Nov 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May12Moderate
Jun13Moderate
Jul13Moderate
Aug11Good
Sep12Good
Oct11Good
Nov11Good
Dec12Good
Location & terrain

Where is Khao Lak?

Khao Lak sits at 8.6°N, 98.2°E, 0 m above sea level, in Thailand. The nearest listed city is Ban Kamala, 74 km away.

Topography around Khao Lak

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

Within 3 km, the terrain around Khao Lak has significant variations in elevation — a maximum elevation change of 388 m around an average of 45 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 686 m; within 80 km, large variations in elevation — a maximum elevation change of 1,077 m.

The land around Khao Lak is covered by water (50%) and trees (45%) within 3 km, water (49%) and trees (46%) within 16 km, and water (59%) and trees (37%) within 80 km.

3 km
388 m
16 km
686 m
80 km
1,077 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Ban Kamala 74 km · Kathu 78 km · Ban Ratsada 80 km · Wichit 82 km · Phuket 82 km · Ban Talat Nua 83 km · Ban Talat Yai 83 km · Ban Ko Sire 83 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Khao Lak (8.615°, 98.2399°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).