Khao Yoi weather in August

In August, Khao Yoi sees average daytime highs of 32°C and overnight lows near 25°C, with 159 mm of rain across 23.9 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Khao Yoi's 12th-clearest and 3rd-windiest month. For the whole year in context, see Khao Yoi's year-round climate.

Daytime high
32°
7th warmest
Overnight low
25°
8th coldest
Rainfall
159 mm
23.9 wet days
Daylight
12 h 24 min
6:11 AM – 6:38 PM
Cloud cover
90%
12th clearest
Wind
7 km/h
3rd windiest
Solar energy
4.33 kWh/m²
Travel score
2.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Khao Yoi reaches about 32°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How August really feels in Khao Yoi

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.

Khao Yoi weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°132.411.35.9
Feb32° / 23°122.411.64.8
Mar34° / 24°477.611.93.4
Apr35° / 26°7912.812.32.3
May34° / 26°14523.112.62.0
Jun33° / 26°12421.112.82.4
Jul32° / 26°14922.512.72.6
Aug32° / 25°15923.912.42.6
Sep32° / 25°21224.912.12.5
Oct31° / 24°19121.511.73.4
Nov31° / 23°476.511.45.1
Dec30° / 22°11211.26.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23793
24793
25793
26793
27793
28694
29694
30694
31694

Chance of precipitation in August

Any precipitation

Khao Yoi gets around 159 mm of rain over 23.9 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 76% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
574
674
774
874
974
1074
1174
1274
1374
1474
1575
1675
1775
1876
1976
2077
2177
2278
2379
2480
2580
2681
2781
2881
2981
3081
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18317
28218
38218
48119
58020
67921
77822
87723
97624
107525
117426
127327
137228
147129
157030
167030
177030
186931
196931
206931
216931
226931
236931
246832
256832
266832
276832
286832
296733
306733
316733

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 6:09 AM to 6:13 AM, and sunset from 6:45 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:096:45
212.66:096:44
312.66:096:44
412.66:106:44
512.66:106:43
612.56:106:43
712.56:106:42
812.56:106:42
912.56:106:42
1012.56:116:41
1112.56:116:41
1212.56:116:40
1312.56:116:40
1412.56:116:39
1512.56:116:39
1612.46:116:38
1712.46:126:38
1812.46:126:37
1912.46:126:36
2012.46:126:36
2112.46:126:35
2212.46:126:35
2312.46:126:34
2412.46:126:33
2512.36:126:33
2612.36:126:32
2712.36:126:32
2812.36:126:31
2912.36:136:30
3012.36:136:30
3112.36:136:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.33 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.16 kWh/m² in April across the year — August's 4.33 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in August

Hazard calendar for Khao Yoi

In seasonPeak

In August, Khao Yoi sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

Khao Yoi's rainy season runs May–October, when most of the year's rain falls.

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

Is August a good time to visit Khao Yoi?

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

2.6
Sightseeing
7th-best month of the year
4.2
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Khao Yoi.

What to pack for Khao Yoi in August

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

In August, Khao Yoi sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

Sea temperature near Khao Yoi 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 35 km away) is warmest in May at about 31°C and coldest in January near 27°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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Khao Yoi 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 Khao Yoi peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Jan 1UV 9
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Khao Yoi 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 Khao Yoi is worst in February — around 61 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (August, 24 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1861 µg/m³Aug 1024 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb61Unhealthy
Mar60Unhealthy
Apr47Poor
May33Moderate
Jun24Moderate
Jul24Moderate
Aug24Moderate
Sep29Moderate
Oct46Poor
Nov48Poor
Dec48Poor
Location & terrain

Where is Khao Yoi?

Khao Yoi sits at 13.2°N, 99.8°E, 13 m above sea level, in Thailand. The nearest listed city is Phetchaburi, 19 km away.

Topography around Khao Yoi

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

Within 3 km, the terrain around Khao Yoi has only modest variations in elevation — a maximum elevation change of 82 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 564 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,498 m.

The land around Khao Yoi is covered by cropland (44%) and grassland (24%) within 3 km, trees (31%) and cropland (30%) within 16 km, and trees (50%) and water (25%) within 80 km.

3 km
82 m
16 km
564 m
80 km
1,498 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Phetchaburi 19 km · Samut Songkhram 27 km · Tha Yang 33 km · Ratchaburi 33 km · Damnoen Saduak 34 km · Chom Bueng 49 km · Ban Phaeo 50 km · Photharam 50 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 Khao Yoi (13.2402°, 99.8243°, elevation 13 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).