Ko Phi Phi in Summer
In summer (June, July and August), Ko Phi Phi sees average daytime highs around 29°C and overnight lows near 27°C, with 700 mm of rain over about 67 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels miserable.
Summer is Ko Phi Phi's 3rd-best season to visit on our travel score. Ko Phi Phi has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Ko Phi Phi's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 27°C
- Rainfall
- 700 mm
- 67 wet days
- Avg wind
- 18 km/h
- Travel score
- 3.8
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Ko Phi Phi in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Ko Phi Phi reaches about 29°C and drops to 27°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Ko Phi Phi
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ko Phi Phi weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 26° | 52 | 6.7 | 11.6 | 6.1 |
| Feb | 29° / 26° | 22 | 4 | 11.7 | 6.3 |
| Mar | 29° / 27° | 74 | 10 | 11.9 | 5.5 |
| Apr | 29° / 27° | 136 | 18.7 | 12.2 | 4.2 |
| May | 29° / 27° | 255 | 24.4 | 12.3 | 3.5 |
| Jun | 29° / 27° | 231 | 22.1 | 12.4 | 3.7 |
| Jul | 29° / 27° | 219 | 22.4 | 12.4 | 3.9 |
| Aug | 28° / 27° | 250 | 22.6 | 12.3 | 3.9 |
| Sep | 28° / 26° | 289 | 24.4 | 12 | 3.7 |
| Oct | 28° / 26° | 300 | 28.1 | 11.8 | 3.6 |
| Nov | 28° / 26° | 210 | 22.8 | 11.6 | 4.0 |
| Dec | 28° / 26° | 97 | 12.4 | 11.6 | 5.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Ko Phi Phi gets around 700 mm of rain over 67 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 18 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.1 kWh/m².
Hazard calendar for Ko Phi Phi
In summer, Ko Phi Phi overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Ko Phi Phi sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is summer a good time to visit Ko Phi Phi?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Ko Phi Phi.
What to pack for Ko Phi Phi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ko Phi Phi sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 67 days see rain.
Sea temperature near Ko Phi Phi in Summer
The nearest coast averages about 30°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Ko Phi Phi in Summer
Clear-sky midday UV across summer averages around 12 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 13 | 13 | 13 | 12 | 12 | 11 | 13 | 13 | 12 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Extreme |
Air quality in Ko Phi Phi in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 14 | 15 | 16 | 13 | 13 | 13 | 11 | 12 | 12 | 12 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 15 | Moderate |
| Apr | 16 | Moderate |
| May | 13 | Moderate |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 11 | Good |
| Sep | 12 | Moderate |
| Oct | 12 | Good |
| Nov | 12 | Good |
| Dec | 13 | Moderate |
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.
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
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.