Lang Suan weather in July

In July, Lang Suan sees average daytime highs of 31°C and overnight lows near 24°C, with 206 mm of rain across 23.3 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in July, and the air most often feels oppressive.

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 Lang Suan's 11th-clearest and 2nd-windiest month. For the whole year in context, see Lang Suan's year-round climate.

Daytime high
31°
5th warmest
Overnight low
24°
10th coldest
Rainfall
206 mm
23.3 wet days
Daylight
12 h 30 min
6:13 AM – 6:45 PM
Cloud cover
87%
11th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.93 kWh/m²
Travel score
3.0
out of 10

Lang Suan is town in Lang Suan district, Chumphon province, Thailand.

Founded
1940

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 31°C through the month.

A typical July day in Lang Suan reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How July really feels in Lang Suan

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.

Lang Suan weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°6810.411.55.3
Feb31° / 22°387.811.75.0
Mar32° / 23°9311.511.93.9
Apr33° / 24°11816.112.22.9
May32° / 25°20124.312.42.4
Jun31° / 25°18821.712.62.9
Jul31° / 24°20623.312.53.0
Aug31° / 24°22524.712.32.9
Sep30° / 24°30226.612.12.8
Oct30° / 23°32627.411.82.9
Nov29° / 23°21421.911.53.7
Dec29° / 22°10313.811.45.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
6991
7991
81090
91090
101090
111090
121090
131090
141090
151090
161090
171090
181090
19991
20892
21892
22892
23892
24892
25793
26793
27694
28694
29694
30694
31694

Chance of precipitation in July

Any precipitation

Lang Suan gets around 206 mm of rain over 23.3 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 75% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
574
674
774
875
975
1075
1175
1276
1376
1476
1576
1676
1776
1876
1976
2076
2176
2276
2376
2476
2576
2676
2777
2877
2977
3077
3177

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15446
25545
35644
45644
55743
65743
75743
85743
95644
105644
115644
125545
135545
145545
155446
165446
175446
185446
195446
205446
215545
225545
235644
245743
255743
265842
275941
286040
296139
306139
316238

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2811calm
2911calm
3011calm
3111calm

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 6:10 AM to 6:16 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)
112.66:106:44
212.66:106:44
312.66:106:45
412.66:116:45
512.66:116:45
612.66:116:45
712.66:116:45
812.66:126:45
912.66:126:45
1012.66:126:45
1112.56:126:45
1212.56:126:45
1312.56:136:45
1412.56:136:45
1512.56:136:45
1612.56:136:45
1712.56:146:45
1812.56:146:45
1912.56:146:45
2012.56:146:45
2112.56:156:45
2212.56:156:45
2312.56:156:45
2412.56:156:45
2512.56:156:44
2612.56:166:44
2712.56:166:44
2812.56:166:44
2912.56:166:44
3012.56:166:43
3112.46:166:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.93 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.29 kWh/m² in March across the year — July's 4.93 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in July

Hazard calendar for Lang Suan

In seasonPeak

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

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

Lang Suan'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 Lang Suan?

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

3.0
Sightseeing
6th-best month of the year
4.4
Beach & pool
8th-best month of the year

July is a weaker month for outdoor sightseeing in Lang Suan.

What to pack for Lang Suan in July

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

In July, Lang Suan sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Lang Suan 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 33 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Lang Suan 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 Lang Suan peaks around August 20 at about 13 (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 13Dec 20UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Lang Suan 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 Lang Suan is worst in January — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 2318 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb18Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Lang Suan?

Lang Suan sits at 9.9°N, 99.1°E, 11 m above sea level, in Thailand. The nearest listed city is Ranong, 49 km away.

Surat ThaniTha KhamKo SamuiKo Pha-ngan

Topography around Lang Suan

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

Within 3 km, the terrain around Lang Suan has only modest variations in elevation — a maximum elevation change of 131 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 780 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,296 m.

The land around Lang Suan is covered by trees (78%) within 3 km, trees (74%) within 16 km, and trees (50%) and water (47%) within 80 km.

3 km
131 m
16 km
780 m
80 km
1,296 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
July weather nearby: Ranong 49 km · Kawthaung 58 km · Chumphon 62 km · Ko Tao 85 km · Surat Thani 94 km · Tha Kham 94 km · Ko Samui 104 km · Ko Pha-ngan 106 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 Lang Suan (9.9456°, 99.0785°, elevation 11 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).