Ko Pha-ngan weather in July

In July, Ko Pha-ngan sees average daytime highs of 29°C and overnight lows near 27°C, with 114 mm of rain across 20.6 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 8th-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 6% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of July to 12 h 24 min by month's end. Set against the rest of the year, July is Ko Pha-ngan's 10th-clearest and 2nd-windiest month. For the whole year in context, see Ko Pha-ngan's year-round climate.

Daytime high
29°
4th warmest
Overnight low
27°
9th coldest
Rainfall
114 mm
20.6 wet days
Daylight
12 h 30 min
6:10 AM – 6:41 PM
Cloud cover
84%
10th clearest
Wind
20 km/h
2nd windiest
Solar energy
5.37 kWh/m²
Travel score
4.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July 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 30°C. Set against its neighbours, July runs on par with June and on par with August.

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
252927
262927
272927
282927
292927
302927
312927

How July really feels in Ko Pha-ngan

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

Ko Pha-ngan weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 8th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31288
41288
51288
61387
71387
81486
91585
101585
111585
121585
131585
141585
151585
161585
171585
181585
191486
201486
211486
221486
231486
241189
251189
261189
271189
281189
291189
301090
311090

Chance of precipitation in July

Any precipitation

Ko Pha-ngan gets around 114 mm of rain over 20.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
162
262
363
463
564
665
766
866
967
1067
1168
1268
1368
1468
1568
1667
1767
1867
1967
2067
2166
2266
2366
2465
2565
2665
2765
2865
2965
3065
3164

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13367
23367
33466
43466
53466
63466
73466
83466
93466
103466
113466
123367
133367
143367
153466
163466
173466
183466
193565
203565
213565
223664
233664
243763
253763
263862
273862
283961
293961
303961
314060

Wind in July

Winds average 20 km/h in July.

Across July, 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
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020breezy
2120breezy
2220breezy
2320breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3022breezy
3122breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 36 min at the start of July to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 6:06 AM to 6:13 AM, and sunset from 6:40 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:066:40
212.66:076:40
312.66:076:40
412.66:076:41
512.66:076:41
612.66:086:41
712.66:086:41
812.56:086:41
912.56:086:41
1012.56:096:41
1112.56:096:41
1212.56:096:41
1312.56:096:41
1412.56:096:41
1512.56:106:41
1612.56:106:41
1712.56:106:41
1812.56:106:41
1912.56:116:41
2012.56:116:41
2112.56:116:41
2212.56:116:41
2312.56:116:41
2412.56:126:40
2512.56:126:40
2612.56:126:40
2712.56:126:40
2812.56:126:40
2912.56:126:40
3012.46:136:39
3112.46:136:39

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.37 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 — July's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in July

Hazard calendar for Ko Pha-ngan

In seasonPeak

In July, 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 July a good time to visit Ko Pha-ngan?

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

4.0
Sightseeing
8th-best month of the year
5.1
Beach & pool
7th-best month of the year

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

What to pack for Ko Pha-ngan in July

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

In July, Ko Pha-ngan sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Ko Pha-ngan in July

The nearest coast averages about 30°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (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 July

GoodModeratePoorUnhealthyVery unhealthy

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