Nakhon Si Thammarat weather in August

In August, Nakhon Si Thammarat sees average daytime highs of 31°C and overnight lows near 25°C, with 117 mm of rain across 22.7 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 9th-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 4% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Nakhon Si Thammarat's 8th-clearest and 7th-windiest month. For the whole year in context, see Nakhon Si Thammarat's year-round climate.

Daytime high
31°
5th warmest
Overnight low
25°
8th coldest
Rainfall
117 mm
22.7 wet days
Daylight
12 h 18 min
6:16 AM – 6:33 PM
Cloud cover
83%
8th clearest
Wind
7 km/h
7th windiest
Solar energy
5.24 kWh/m²
Travel score
3.2
out of 10

Nakhon Si Thammarat is city in Nakhon Si Thammarat province, Thailand.

Density
4,528/km²
people per km²
Founded
1910

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Nakhon Si Thammarat reaches about 31°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How August really feels in Nakhon Si Thammarat

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.

Nakhon Si Thammarat weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°12416.811.65.2
Feb29° / 24°589.911.75.5
Mar30° / 25°12013.711.94.7
Apr31° / 26°12016.812.23.8
May31° / 26°12323.312.42.9
Jun31° / 26°9321.112.53.1
Jul31° / 25°9721.412.43.2
Aug31° / 25°11722.712.33.2
Sep30° / 25°14925.9123.0
Oct29° / 25°27428.211.83.1
Nov28° / 25°35825.711.63.6
Dec28° / 24°2502011.54.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31387
41387
51387
61387
71486
81585
91585
101585
111585
121585
131585
141585
151486
161486
171486
181486
191387
201387
211288
221189
231189
241189
251189
261189
271189
281189
291189
301288
311288

Chance of precipitation in August

Any precipitation

Nakhon Si Thammarat gets around 117 mm of rain over 22.7 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 73% and peaks near 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
367
467
567
668
768
868
969
1069
1170
1271
1371
1472
1573
1673
1774
1874
1975
2075
2176
2276
2377
2478
2578
2679
2779
2880
2980
3081
3182

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18713
28713
38713
48713
58713
68713
78614
88614
98614
108614
118614
128515
138515
148515
158515
168515
178515
188515
198614
208614
218614
228614
238614
248713
258713
268713
278713
288713
298713
308713
318713

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 7 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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 6:15 AM to 6:15 AM, and sunset from 6:37 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:156:37
212.46:156:37
312.46:156:37
412.46:156:37
512.46:156:36
612.36:156:36
712.36:166:36
812.36:166:36
912.36:166:35
1012.36:166:35
1112.36:166:35
1212.36:166:34
1312.36:166:34
1412.36:166:33
1512.36:166:33
1612.36:166:33
1712.36:166:32
1812.36:166:32
1912.36:166:31
2012.36:166:31
2112.26:166:30
2212.26:166:30
2312.26:166:29
2412.26:166:29
2512.26:166:28
2612.26:156:28
2712.26:156:27
2812.26:156:27
2912.26:156:26
3012.26:156:26
3112.26:156:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.01 kWh/m² in March across the year — August's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Nakhon Si Thammarat

In seasonPeak

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

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

Nakhon Si Thammarat's rainy season runs October–December, 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 Nakhon Si Thammarat?

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

3.2
Sightseeing
7th-best month of the year
4.6
Beach & pool
8th-best month of the year

August is a weaker month for outdoor sightseeing in Nakhon Si Thammarat.

What to pack for Nakhon Si Thammarat in August

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

In August, Nakhon Si Thammarat sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Nakhon Si Thammarat 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 28 km away) is warmest in May at about 31°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
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Nakhon Si Thammarat in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nakhon Si Thammarat peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeAug 22UV 13Jan 10UV 10
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Nakhon Si Thammarat 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 Nakhon Si Thammarat is worst in April — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1727 µg/m³Aug 1722 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb22Moderate
Mar24Moderate
Apr28Moderate
May25Moderate
Jun26Moderate
Jul24Moderate
Aug22Moderate
Sep24Moderate
Oct26Moderate
Nov25Moderate
Dec22Moderate
Location & terrain

Where is Nakhon Si Thammarat?

Nakhon Si Thammarat sits at 8.4°N, 100.0°E, 8 m above sea level, in Thailand. The nearest listed city is Pak Phanang, 27 km away.

Surat Thani

Topography around Nakhon Si Thammarat

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

Within 3 km, the terrain around Nakhon Si Thammarat has only modest variations in elevation — a maximum elevation change of 28 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 565 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,772 m.

The land around Nakhon Si Thammarat is covered by artificial surfaces (38%), trees (37%) and grassland (21%) within 3 km, trees (58%) within 16 km, and trees (59%) and water (34%) within 80 km.

3 km
28 m
16 km
565 m
80 km
1,772 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Pak Phanang 27 km · Ron Phibun 31 km · Thung Song 43 km · Ban Na San 78 km · Huai Yot 80 km · Ranot 83 km · Phatthalung 91 km · Surat Thani 105 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 Nakhon Si Thammarat (8.4333°, 99.9667°, elevation 8 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).