Tha Kham weather in January

In January, Tha Kham sees average daytime highs of 31°C and overnight lows near 23°C, with 69 mm of rain across 9.5 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 23% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is Tha Kham's 3rd-clearest and 5th-windiest month. For the whole year in context, see Tha Kham's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
1st coldest
Rainfall
69 mm
9.5 wet days
Daylight
11 h 30 min
6:47 AM – 6:18 PM
Cloud cover
63%
3rd clearest
Wind
7 km/h
5th windiest
Solar energy
4.91 kWh/m²
Travel score
4.4
out of 10

Tha Kham is town in Surat Thani province, Thailand.

Founded
1955

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical January day in Tha Kham reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How January really feels in Tha Kham

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tha Kham weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°699.511.54.4
Feb33° / 23°375.811.73.7
Mar35° / 24°10911.211.92.7
Apr35° / 25°15618.412.22.0
May34° / 25°18024.212.42.1
Jun33° / 25°14221.812.52.5
Jul32° / 25°14322.312.52.6
Aug32° / 24°16823.312.32.6
Sep32° / 24°21725.912.12.5
Oct31° / 24°31728.511.82.5
Nov30° / 24°25623.611.63.1
Dec30° / 23°13516.511.54.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33961
44060
54060
64060
74159
84159
94159
104258
114258
124258
134258
144357
154258
164258
174357
184456
194456
204555
214555
224654
234654
244753
254852
264951
275050
285050
295248
305347
315347

Chance of precipitation in January

Any precipitation

Tha Kham gets around 69 mm of rain over 9.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
436
536
635
734
833
932
1031
1130
1230
1329
1429
1529
1628
1728
1829
1929
2029
2129
2229
2329
2429
2529
2628
2728
2828
2927
3026
3126

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11117117
21117216
31117216
40107515
50107515
60107614
70107614
80107614
90107614
100107614
110107713
120117613
130117613
140117613
150117613
160127513
170127513
180127414
190137314
200137314
210137314
220147214
230147214
240147214
250157213
260157213
270157213
281167013
291167112
301177012
311187011

Wind in January

Winds average 7 km/h in January.

Across January, 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.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 30 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:42 AM to 6:48 AM, and sunset from 6:11 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:426:11
211.56:426:11
311.56:436:12
411.56:436:12
511.56:436:13
611.56:446:13
711.56:446:14
811.56:446:14
911.56:456:15
1011.56:456:15
1111.56:456:16
1211.56:466:16
1311.56:466:17
1411.56:466:17
1511.56:466:18
1611.56:476:18
1711.56:476:18
1811.56:476:19
1911.56:476:19
2011.56:476:20
2111.56:486:20
2211.56:486:21
2311.66:486:21
2411.66:486:22
2511.66:486:22
2611.66:486:22
2711.66:486:23
2811.66:486:23
2911.66:486:24
3011.66:486:24
3111.66:486:24

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.07 kWh/m² to a high of 6.16 kWh/m² in March across the year — January's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.4Bright
Planning a trip in January

Hazard calendar for Tha Kham

In seasonPeak

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

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

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

Is January a good time to visit Tha Kham?

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

4.4
Sightseeing
1st-best month of the year
6.6
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Tha Kham for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tha Kham in January

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

In January, Tha Kham sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Tha Kham in January

The nearest coast averages about 28°C in January — 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 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
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Tha Kham in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tha Kham peaks around August 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 21UV 13Dec 16UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Tha Kham in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Tha Kham is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1021 µg/m³Aug 2014 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb18Moderate
Mar20Moderate
Apr21Moderate
May17Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep15Moderate
Oct15Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Tha Kham?

Tha Kham sits at 9.1°N, 99.2°E, 10 m above sea level, in Thailand. The nearest listed city is Surat Thani, 12 km away.

Lang SuanNakhon Si ThammaratKo Pha-nganRanongThung Song

Topography around Tha Kham

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

Within 3 km, the terrain around Tha Kham has only modest variations in elevation — a maximum elevation change of 73 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 308 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,535 m.

The land around Tha Kham is covered by trees (70%) within 3 km, trees (69%) within 16 km, and trees (75%) and water (22%) within 80 km.

3 km
73 m
16 km
308 m
80 km
1,535 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Surat Thani 12 km · Ban Na San 37 km · Ko Samui 91 km · Lang Suan 94 km · Nakhon Si Thammarat 110 km · Ko Pha-ngan 113 km · Ranong 115 km · Thung Song 116 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 Tha Kham (9.1107°, 99.2321°, elevation 10 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).