Satun weather in January

In January, Satun sees average daytime highs of 30°C and overnight lows near 25°C, with 37 mm of rain across 5.9 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of January to 11 h 42 min by month's end. Set against the rest of the year, January is Satun's 3rd-clearest and 1st-windiest month. For the whole year in context, see Satun's year-round climate.

Daytime high
30°
4th warmest
Overnight low
25°
1st coldest
Rainfall
37 mm
5.9 wet days
Daylight
11 h 42 min
6:39 AM – 6:19 PM
Cloud cover
66%
3rd clearest
Wind
15 km/h
1st windiest
Solar energy
5.47 kWh/m²
Travel score
5.3
out of 10

Satun is town in Satun province, Thailand.

Air quality
Moderate
PM2.5 14 µg/m³ · 2019

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Satun reaches about 30°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 28°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253125
263125
273125
283125
293125
303125
313125

How January really feels in Satun

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.

Satun weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°375.911.75.3
Feb31° / 25°366.711.84.6
Mar31° / 26°10915.5123.7
Apr31° / 26°16523.512.13.1
May30° / 26°22525.912.33.1
Jun30° / 26°18422.312.43.5
Jul29° / 26°19623.212.33.6
Aug29° / 26°23424.512.23.5
Sep29° / 26°24725.5123.4
Oct28° / 25°28128.111.93.2
Nov29° / 25°19223.211.73.6
Dec29° / 25°10513.511.64.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33367
43466
53565
63664
73862
83961
94060
104159
114060
124159
134159
144159
154159
164159
174159
184159
194159
204159
214258
224258
234258
244159
254159
264258
274357
284357
294258
304357
314456

Chance of precipitation in January

Any precipitation

Satun gets around 37 mm of rain over 5.9 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 20% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
326
425
524
623
722
821
920
1020
1119
1219
1318
1418
1518
1618
1718
1818
1918
2018
2118
2218
2318
2418
2518
2618
2718
2817
2917
3017
3117

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
111881
212871
312871
413861
513861
614851
714851
815841
915841
1016831
1117812
1218802
1319792
1419792
1520782
1621772
1722771
1823761
1923761
2024751
2125741
2226731
2326731
2427721
2527730
2628720
2728720
2829710
2929710
3030700
3130700

Wind in January

Winds average 15 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 36 min at the start of January to 11 h 42 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 6:34 AM to 6:42 AM, and sunset from 6:12 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:346:12
211.66:356:12
311.66:356:13
411.66:356:13
511.66:366:13
611.66:366:14
711.66:376:14
811.66:376:15
911.66:376:15
1011.66:386:16
1111.66:386:16
1211.66:386:17
1311.66:396:17
1411.66:396:18
1511.76:396:18
1611.76:396:19
1711.76:406:19
1811.76:406:20
1911.76:406:20
2011.76:406:20
2111.76:416:21
2211.76:416:21
2311.76:416:22
2411.76:416:22
2511.76:416:22
2611.76:416:23
2711.76:416:23
2811.76:426:23
2911.76:426:24
3011.76:426:24
3111.76:426:24

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.24 kWh/m² in March across the year — January's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Hazard calendar for Satun

In seasonPeak

In January, Satun sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Satun sits in the Pacific typhoon belt; the season peaks July–October.

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

Is January a good time to visit Satun?

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

5.3
Sightseeing
1st-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Satun in January

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

In January, Satun sees daytime highs around 30°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Satun 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 21 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
Jan28Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May31Tropical
Jun31Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Satun in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Satun peaks around February 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 14Nov 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

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

Seasonal pattern from CAMS reanalysis, scaled to Satun's WHO annual average of 14 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1316 µg/m³Nov 1913 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar15Moderate
Apr16Moderate
May13Moderate
Jun15Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct13Moderate
Nov12Moderate
Dec13Moderate
Location & terrain

Where is Satun?

Satun sits at 6.6°N, 100.1°E, 15 m above sea level, in Thailand. The nearest listed city is Kangar, 25 km away.

Topography around Satun

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

Within 3 km, the terrain around Satun has only modest variations in elevation — a maximum elevation change of 124 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 1,155 m.

The land around Satun is covered by trees (54%) within 3 km, trees (50%), water (23%) and mangroves (20%) within 16 km, and trees (48%) and water (40%) within 80 km.

3 km
124 m
16 km
548 m
80 km
1,155 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Kangar 25 km · Kampung Hutan Arau 32 km · Padang Besar 37 km · Sadao 39 km · Langkawi 41 km · Kampung Baru Ulu Melaka 43 km · Changloon 45 km · Jitra 56 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 Satun (6.6231°, 100.0668°, elevation 15 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).