Ko Pha-ngan weather in August

In August, Ko Pha-ngan sees average daytime highs of 29°C and overnight lows near 27°C, with 124 mm of rain across 19.7 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 5% of the time in August, and the air most often feels miserable.

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 Ko Pha-ngan's 11th-clearest and 1st-windiest month. For the whole year in context, see Ko Pha-ngan's year-round climate.

Daytime high
29°
5th warmest
Overnight low
27°
7th coldest
Rainfall
124 mm
19.7 wet days
Daylight
12 h 18 min
6:14 AM – 6:34 PM
Cloud cover
85%
11th clearest
Wind
21 km/h
1st windiest
Solar energy
5.5 kWh/m²
Travel score
4.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Ko Pha-ngan reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12927
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
132927
142927
152927
162927
172927
182927
192927
202927
212927
222927
232927
242927
252827
262827
272827
282827
292827
302827
312827

How August really feels in Ko Pha-ngan

Once humidity and wind are folded in, August averages 31 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
31
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.

Ko Pha-ngan weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°768.511.56.8
Feb27° / 26°33511.77.3
Mar28° / 27°908.911.96.4
Apr29° / 28°10112.912.25.1
May29° / 27°14822.712.43.7
Jun29° / 27°12420.612.63.8
Jul29° / 27°11420.612.54.0
Aug29° / 27°12419.712.34.1
Sep28° / 27°17923.512.13.8
Oct28° / 26°30425.911.83.9
Nov28° / 26°28220.711.64.6
Dec27° / 26°13312.111.46.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61189
71189
81189
91189
101189
111189
121288
131288
141387
151387
161387
171486
181486
191486
201486
211486
221486
231486
241486
251486
261486
271486
281486
291387
301387
311288

Chance of precipitation in August

Any precipitation

Ko Pha-ngan gets around 124 mm of rain over 19.7 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 64% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
264
363
463
562
662
761
861
961
1061
1161
1261
1361
1461
1561
1662
1762
1863
1963
2064
2164
2265
2366
2467
2567
2668
2768
2869
2969
3070
3170

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14060
24159
34159
44258
54357
64357
74456
84456
94555
104555
114555
124555
134654
144654
154654
164654
174555
184555
194555
204555
214555
224555
234555
244654
254654
264753
274852
284852
294951
305050
315149

Wind in August

Winds average 21 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light 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 6:13 AM to 6:14 AM, and sunset from 6:39 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:136:39
212.46:136:39
312.46:136:38
412.46:136:38
512.46:136:38
612.46:146:38
712.46:146:37
812.46:146:37
912.46:146:37
1012.46:146:36
1112.46:146:36
1212.46:146:35
1312.36:146:35
1412.36:146:35
1512.36:146:34
1612.36:146:34
1712.36:146:33
1812.36:146:33
1912.36:146:32
2012.36:146:32
2112.36:146:31
2212.36:146:31
2312.36:146:30
2412.36:146:30
2512.36:146:29
2612.26:146:29
2712.26:146:28
2812.26:146:28
2912.26:146:27
3012.26:146:26
3112.26:146:26

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.44 kWh/m² in April across the year — August's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Ko Pha-ngan

In seasonPeak

In August, Ko Pha-ngan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Ko Pha-ngan sits in the Pacific typhoon belt; the season peaks July–October.

Ko Pha-ngan's rainy season runs May–May, when most of the year's rain falls.

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

Is August a good time to visit Ko Pha-ngan?

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

4.1
Sightseeing
7th-best month of the year
5.1
Beach & pool
6th-best month of the year

August is a reasonable time to visit Ko Pha-ngan for sightseeing.

What to pack for Ko Pha-ngan in August

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

In August, Ko Pha-ngan sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 20 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Ko Pha-ngan 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 17 km away) is warmest in May 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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Ko Pha-ngan 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 Ko Pha-ngan peaks around August 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 22UV 14Dec 18UV 10
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec10Very high

Air quality in Ko Pha-ngan 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 Ko Pha-ngan is worst in January — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJan 2016 µg/m³Nov 1110 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar13Moderate
Apr14Moderate
May13Moderate
Jun14Moderate
Jul15Moderate
Aug12Good
Sep12Good
Oct11Good
Nov10Good
Dec12Moderate
Location & terrain

Where is Ko Pha-ngan?

Ko Pha-ngan sits at 9.8°N, 100.0°E, 0 m above sea level, in Thailand. The nearest listed city is Ko Samui, 27 km away.

Surat ThaniLang SuanTha KhamChumphonBan Na SanNakhon Si Thammarat

Topography around Ko Pha-ngan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ko Pha-ngan.

Within 3 km, the terrain around Ko Pha-ngan has large variations in elevation — a maximum elevation change of 613 m around an average of 257 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 618 m; within 80 km, large variations in elevation — a maximum elevation change of 805 m.

The land around Ko Pha-ngan is covered by trees (99%) within 3 km, water (85%) within 16 km, and water (92%) within 80 km.

3 km
613 m
16 km
618 m
80 km
805 m
treeswater
August weather nearby: Ko Samui 27 km · Ko Tao 43 km · Surat Thani 103 km · Lang Suan 106 km · Tha Kham 113 km · Chumphon 124 km · Ban Na San 129 km · Nakhon Si Thammarat 147 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 Ko Pha-ngan (9.7578°, 100.0291°, 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).