Khao Yoi weather in July

In July, Khao Yoi sees average daytime highs of 32°C and overnight lows near 26°C, with 149 mm of rain across 22.5 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 4th-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 2% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of July to 12 h 36 min by month's end. Set against the rest of the year, July is Khao Yoi's 11th-clearest and 3rd-windiest month. For the whole year in context, see Khao Yoi's year-round climate.

Daytime high
32°
6th warmest
Overnight low
26°
9th coldest
Rainfall
149 mm
22.5 wet days
Daylight
12 h 42 min
6:05 AM – 6:48 PM
Cloud cover
89%
11th clearest
Wind
7 km/h
3rd windiest
Solar energy
4.42 kWh/m²
Travel score
2.6
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Khao Yoi reaches about 32°C in the afternoon and slips back to 26°C overnight — a 7°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, July runs about 1°C cooler than June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13326
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173226
183226
193226
203226
213226
223226
233226
243226
253226
263226
273226
283226
293226
303226
313226

How July really feels in Khao Yoi

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.

Khao Yoi weather by month

How July compares with the rest of the year at a glance. July is the 6th-warmest and 4th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3793
4892
5892
6892
7892
8892
9892
10892
11892
12892
13991
14892
15892
16892
17892
18892
19892
20793
21793
22793
23793
24694
25694
26694
27595
28496
29496
30496
31496

Chance of precipitation in July

Any precipitation

Khao Yoi gets around 149 mm of rain over 22.5 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 73% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
369
470
570
671
771
872
972
1073
1173
1274
1374
1474
1574
1674
1774
1875
1974
2074
2174
2274
2374
2473
2573
2673
2773
2873
2973
3073
3173

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17327
27426
37426
47426
57426
67525
77525
87525
97525
107525
117525
127525
137525
147525
157525
167525
177624
187624
197624
207723
217822
227822
237921
248020
258020
268119
278218
288317
298317
308317
318317

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 48 min at the start of July to 12 h 36 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 6:01 AM to 6:09 AM, and sunset from 6:47 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:016:47
212.86:016:47
312.86:016:47
412.86:026:48
512.86:026:48
612.86:026:48
712.86:036:48
812.76:036:48
912.76:036:48
1012.76:036:48
1112.76:046:48
1212.76:046:48
1312.76:046:48
1412.76:046:48
1512.76:056:48
1612.76:056:48
1712.76:056:48
1812.76:066:47
1912.76:066:47
2012.76:066:47
2112.76:066:47
2212.76:076:47
2312.76:076:47
2412.76:076:47
2512.76:076:46
2612.66:086:46
2712.66:086:46
2812.66:086:46
2912.66:086:45
3012.66:096:45
3112.66:096:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.42 kWh/m².

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 — July's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in July

Hazard calendar for Khao Yoi

In seasonPeak

In July, 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 July a good time to visit Khao Yoi?

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

2.6
Sightseeing
7th-best month of the year
4.3
Beach & pool
8th-best month of the year

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

What to pack for Khao Yoi in July

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

In July, Khao Yoi sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

Sea temperature near Khao Yoi 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 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 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 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 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 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
July 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).