Kathu weather in July

In July, Kathu sees average daytime highs of 28°C and overnight lows near 27°C, with 219 mm of rain across 22.5 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 30 min at the start of July to 12 h 24 min by month's end. Set against the rest of the year, July is Kathu's 9th-clearest and 2nd-windiest month. For the whole year in context, see Kathu's year-round climate.

Daytime high
28°
5th warmest
Overnight low
27°
8th coldest
Rainfall
219 mm
22.5 wet days
Daylight
12 h 24 min
6:20 AM – 6:45 PM
Cloud cover
84%
9th clearest
Wind
18 km/h
2nd windiest
Solar energy
5.17 kWh/m²
Travel score
3.9
out of 10

Kathu is town in Phuket province, Thailand.

Founded
1957

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical July day in Kathu reaches about 28°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 29°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
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827
312827

How July really feels in Kathu

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.

Kathu weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°528.111.66.3
Feb28° / 26°234.411.76.6
Mar29° / 27°8410.911.95.6
Apr29° / 27°12618.112.24.4
May29° / 27°24724.812.43.5
Jun29° / 27°22421.812.53.8
Jul28° / 27°21922.512.43.9
Aug28° / 27°24122.612.34.0
Sep28° / 26°28624.8123.9
Oct28° / 26°30327.411.83.7
Nov28° / 26°20021.611.64.4
Dec28° / 26°8912.111.55.7

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 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71387
81387
91585
101585
111585
121585
131585
141585
151585
161585
171585
181585
191585
201585
211486
221486
231486
241486
251486
261387
271387
281387
291486
301387
311387

Chance of precipitation in July

Any precipitation

Kathu gets around 219 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 72% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
272
372
473
573
674
774
874
975
1075
1175
1275
1375
1474
1574
1673
1773
1873
1972
2072
2171
2271
2370
2470
2570
2670
2770
2870
2970
3070
3170

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12476
22575
32674
42773
52872
62971
72971
82971
93070
103070
113070
123070
133070
142971
152971
162971
172971
182971
193070
203070
213070
223169
233169
243268
253268
263268
273367
283268
293268
303268
313268

Wind in July

Winds average 18 km/h in July.

Across July, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 30 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 6 minutes over July. Sunrise moves from 6:16 AM to 6:22 AM, and sunset from 6:44 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:166:44
212.56:176:44
312.56:176:44
412.56:176:44
512.46:176:44
612.46:176:44
712.46:186:44
812.46:186:45
912.46:186:45
1012.46:186:45
1112.46:196:45
1212.46:196:45
1312.46:196:45
1412.46:196:45
1512.46:196:45
1612.46:206:45
1712.46:206:45
1812.46:206:45
1912.46:206:45
2012.46:206:45
2112.46:216:45
2212.46:216:45
2312.46:216:45
2412.46:216:44
2512.46:216:44
2612.46:216:44
2712.46:226:44
2812.46:226:44
2912.46:226:44
3012.46:226:44
3112.46:226:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 6.49 kWh/m² in March across the year — July's 5.17 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 Kathu

In seasonPeak

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

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

Kathu's rainy season runs May–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 Kathu?

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

3.9
Sightseeing
8th-best month of the year
4.7
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Kathu.

What to pack for Kathu in July

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

In July, Kathu sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Kathu 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 at the nearest coast (about 23 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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Kathu 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 Kathu peaks around August 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeAug 23UV 13Nov 23UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Kathu 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 Kathu is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2216 µg/m³Nov 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May12Moderate
Jun13Moderate
Jul13Moderate
Aug11Good
Sep12Good
Oct11Good
Nov11Good
Dec12Good
Location & terrain

Where is Kathu?

Kathu sits at 7.9°N, 98.3°E, 36 m above sea level, in Thailand. The nearest listed city is Wichit, 7.0 km away.

Topography around Kathu

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

Within 3 km, the terrain around Kathu has significant variations in elevation — a maximum elevation change of 521 m around an average of 135 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 536 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Kathu is covered by trees (73%) within 3 km, water (52%) and trees (33%) within 16 km, and water (75%) and trees (21%) within 80 km.

3 km
521 m
16 km
536 m
80 km
1,369 m
treesgrasslandartificial surfaceswatermangroves
July weather nearby: Wichit 7.0 km · Ban Talat Nua 7.0 km · Ban Kamala 7.0 km · Ban Ratsada 8.0 km · Phuket 8.0 km · Ban Chalong 8.0 km · Ban Talat Yai 8.0 km · Ban Ko Sire 11 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 Kathu (7.9178°, 98.3332°, elevation 36 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).