Ko Tao weather in July

In July, Ko Tao sees average daytime highs of 29°C and overnight lows near 27°C, with 115 mm of rain across 20.1 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 30 min by month's end. Set against the rest of the year, July is Ko Tao's 10th-clearest and 3rd-windiest month. For the whole year in context, see Ko Tao's year-round climate.

Daytime high
29°
4th warmest
Overnight low
27°
8th coldest
Rainfall
115 mm
20.1 wet days
Daylight
12 h 30 min
6:10 AM – 6:42 PM
Cloud cover
85%
10th clearest
Wind
20 km/h
3rd windiest
Solar energy
5.21 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 Tao 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 Tao

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 Tao 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°728.211.56.9
Feb28° / 27°304.411.77.4
Mar28° / 27°878.411.96.3
Apr29° / 28°9712.712.25.1
May29° / 28°15022.312.53.7
Jun29° / 27°12720.412.63.8
Jul29° / 27°11520.112.54.0
Aug29° / 27°12119.612.34.2
Sep28° / 27°1682312.13.8
Oct28° / 26°29025.211.84.0
Nov28° / 26°25619.111.54.8
Dec27° / 26°1221111.46.2

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 8% of July, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21387
31387
41387
51387
61486
71486
81486
91585
101585
111585
121585
131585
141585
151585
161585
171585
181585
191486
201486
211486
221387
231387
241288
251189
261189
271189
281189
291189
301189
311090

Chance of precipitation in July

Any precipitation

Ko Tao gets around 115 mm of rain over 20.1 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 64% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
161
262
362
462
563
663
764
864
965
1065
1165
1265
1365
1465
1565
1665
1765
1865
1965
2065
2165
2265
2365
2465
2564
2664
2764
2864
2964
3064
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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12674
22773
32773
42773
52872
62872
72872
82773
92773
102773
112674
122674
132674
142674
152674
162674
172674
182674
192674
202773
212773
222872
232872
242971
252971
263070
273070
283070
293169
303169
313169

Wind in July

Winds average 20 km/h in July.

Across July, daily wind ranges from about 19 km/h on the calmest days to 21 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
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
2020light breeze
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 36 min at the start of July to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over July. Sunrise moves from 6:06 AM to 6:13 AM, and sunset from 6:41 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:066:41
212.66:076:42
312.66:076:42
412.66:076:42
512.66:076:42
612.66:086:42
712.66:086:42
812.66:086:42
912.66:086:42
1012.66:096:42
1112.66:096:42
1212.66:096:42
1312.56:096:42
1412.56:106:42
1512.56:106:42
1612.56:106:42
1712.56:106:42
1812.56:116:42
1912.56:116:42
2012.56:116:42
2112.56:116:42
2212.56:116:42
2312.56:126:42
2412.56:126:42
2512.56:126:42
2612.56:126:41
2712.56:126:41
2812.56:136:41
2912.56:136:41
3012.56:136:41
3112.56:136:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.21 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.4 kWh/m² in April across the year — July's 5.21 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
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Hazard calendar for Ko Tao

In seasonPeak

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

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

Ko Tao's rainy season runs September–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 July a good time to visit Ko Tao?

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 Tao for sightseeing.

What to pack for Ko Tao in July

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

In July, Ko Tao sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Ko Tao in July

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

The sea offshore 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Ko Tao in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Tao peaks around August 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 20UV 14Dec 20UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec9Very high

Air quality in Ko Tao 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 Tao 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 Tao?

Ko Tao sits at 10.1°N, 99.8°E, 0 m above sea level, in Thailand. The nearest listed city is Ko Pha-ngan, 43 km away.

Surat ThaniTha KhamBang SaphanRanong

Topography around Ko Tao

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

Within 3 km, the terrain around Ko Tao has significant variations in elevation — a maximum elevation change of 368 m around an average of 60 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 368 m; within 80 km, large variations in elevation — a maximum elevation change of 621 m.

The land around Ko Tao is covered by water (49%) and trees (47%) within 3 km, water (98%) within 16 km, and water (95%) within 80 km.

3 km
368 m
16 km
368 m
80 km
621 m
treesartificial surfaceswater
July weather nearby: Ko Pha-ngan 43 km · Ko Samui 63 km · Lang Suan 85 km · Chumphon 85 km · Surat Thani 119 km · Tha Kham 128 km · Bang Saphan 130 km · Ranong 132 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 Tao (10.0917°, 99.8377°, 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).