Ko Phi Phi weather in August

In August, Ko Phi Phi sees average daytime highs of 28°C and overnight lows near 27°C, with 250 mm of rain across 22.6 wet days and about 12.3 hours of daylight. It is the 8th-warmest and 4th-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 6% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 18 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 Phi Phi's 10th-clearest and 1st-windiest month. For the whole year in context, see Ko Phi Phi's year-round climate.

Daytime high
28°
8th warmest
Overnight low
27°
7th coldest
Rainfall
250 mm
22.6 wet days
Daylight
12 h 18 min
6:21 AM – 6:37 PM
Cloud cover
83%
10th clearest
Wind
19 km/h
1st windiest
Solar energy
5.17 kWh/m²
Travel score
3.9
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 Ko Phi Phi reaches about 28°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
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272826
282826
292826
302826
312826

How August really feels in Ko Phi Phi

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 Phi Phi weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°526.711.66.1
Feb29° / 26°22411.76.3
Mar29° / 27°741011.95.5
Apr29° / 27°13618.712.24.2
May29° / 27°25524.412.33.5
Jun29° / 27°23122.112.43.7
Jul29° / 27°21922.412.43.9
Aug28° / 27°25022.612.33.9
Sep28° / 26°28924.4123.7
Oct28° / 26°30028.111.83.6
Nov28° / 26°21022.811.64.0
Dec28° / 26°9712.411.65.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51783
61684
71684
81783
91882
101882
111882
121882
131882
141882
151882
161783
171684
181684
191684
201585
211585
221288
231288
241288
251288
261288
271288
281288
291288
301288
311288

Chance of precipitation in August

Any precipitation

Ko Phi Phi gets around 250 mm of rain over 22.6 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 73% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
369
469
569
669
769
869
969
1070
1170
1271
1371
1472
1572
1673
1773
1874
1974
2075
2175
2276
2376
2477
2577
2677
2777
2877
2977
3078
3178

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12476
22377
32377
42377
52476
62476
72476
82575
92575
102674
112773
122773
132872
142971
153070
163169
173268
183268
193367
203367
213367
223367
233466
243466
253466
263565
273565
283664
293763
303763
313862

Wind in August

Winds average 19 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 18 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 6 minutes over August. Sunrise moves from 6:21 AM to 6:20 AM, and sunset from 6:41 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:216:41
212.36:216:41
312.36:216:41
412.36:216:41
512.36:216:40
612.36:216:40
712.36:216:40
812.36:216:39
912.36:216:39
1012.36:216:39
1112.36:216:39
1212.36:216:38
1312.36:216:38
1412.36:216:37
1512.36:216:37
1612.36:216:37
1712.26:216:36
1812.26:216:36
1912.26:216:35
2012.26:216:35
2112.26:216:35
2212.26:216:34
2312.26:216:34
2412.26:216:33
2512.26:216:33
2612.26:216:32
2712.26:216:32
2812.26:216:31
2912.26:206:31
3012.26:206:30
3112.26:206:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.35 kWh/m² in March across the year — August's 5.17 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Ko Phi Phi

In seasonPeak

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

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

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

Is August a good time to visit Ko Phi Phi?

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

3.9
Sightseeing
7th-best month of the year
4.7
Beach & pool
8th-best month of the year

August is a weaker month for outdoor sightseeing in Ko Phi Phi.

What to pack for Ko Phi Phi in August

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

In August, Ko Phi Phi sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Ko Phi Phi in August

The nearest coast averages about 30°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 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
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ko Phi Phi 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 Ko Phi Phi peaks around February 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 13Nov 22UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateApr 1115 µg/m³Aug 2011 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr16Moderate
May13Moderate
Jun13Moderate
Jul13Moderate
Aug11Good
Sep12Moderate
Oct12Good
Nov12Good
Dec13Moderate
Location & terrain

Where is Ko Phi Phi?

Ko Phi Phi sits at 7.7°N, 98.8°E, 0 m above sea level, in Thailand. The nearest listed city is Ao Nang, 34 km away.

Topography around Ko Phi Phi

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

Within 3 km, the terrain around Ko Phi Phi has only modest variations in elevation — a maximum elevation change of 229 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 229 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Ko Phi Phi is covered by water (73%) and trees (24%) within 3 km, water (99%) within 16 km, and water (65%) and trees (30%) within 80 km.

3 km
229 m
16 km
229 m
80 km
1,369 m
treesgrasslandartificial surfaceswatermangroves
August weather nearby: Ao Nang 34 km · Krabi 40 km · Ban Ko Sire 42 km · Ko Lanta 42 km · Ban Talat Yai 44 km · Phuket 44 km · Ban Ratsada 45 km · Ban Talat Nua 45 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 Phi Phi (7.7404°, 98.772°, 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).