Kaset Sombun weather in January

In January, Kaset Sombun sees average daytime highs of 28°C and overnight lows near 17°C, with 11 mm of rain across 2.4 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 11th-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 60% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Kaset Sombun's 2nd-clearest and 6th-windiest month. For the whole year in context, see Kaset Sombun's year-round climate.

Daytime high
28°
11th warmest
Overnight low
17°
1st coldest
Rainfall
11 mm
2.4 wet days
Daylight
11 h 06 min
6:48 AM – 5:55 PM
Cloud cover
38%
2nd clearest
Wind
7 km/h
6th windiest
Solar energy
4.88 kWh/m²
Travel score
7.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Kaset Sombun reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32816
42817
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How January really feels in Kaset Sombun

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kaset Sombun weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°112.411.17.3
Feb31° / 19°163.411.55.7
Mar33° / 22°548.611.94.1
Apr33° / 23°10415.712.43.1
May32° / 24°18923.712.72.7
Jun31° / 24°14920.9132.9
Jul31° / 24°17623.912.93.0
Aug30° / 24°22525.312.52.9
Sep30° / 24°2742612.13.0
Oct29° / 22°1401611.64.6
Nov28° / 20°284.511.26.7
Dec27° / 17°71.3118.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57228
67228
77129
87129
97228
107228
117228
127327
137327
147426
157426
167624
177624
187723
197822
207822
217921
227921
238020
248119
258119
268218
278218
288218
298218
308218
318218

Chance of precipitation in January

Any precipitation

Kaset Sombun gets around 11 mm of rain over 2.4 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 8% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
27
37
47
57
68
78
88
98
108
118
128
138
148
158
168
178
188
198
208
218
228
238
248
258
268
278
289
299
309
319

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1153036181
2143036182
3133037182
4133037172
5123038172
6123038172
7123038173
8123038183
9123038183
10123038183
11122938183
12122938183
13122938184
14122938184
15122938184
16112938184
17112937184
18112937184
19112937194
20112937194
21112937194
22112836204
23112836205
24112836215
25112836215
26112735215
27122735225
28122634225
29122634235
30132533235
31132533245

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.

0246810151015202531
Wind speed (km/h)Feels
18calm
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
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:44 AM to 6:47 AM, and sunset from 5:47 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:445:47
211.06:445:47
311.16:455:48
411.16:455:48
511.16:455:49
611.16:465:50
711.16:465:50
811.16:465:51
911.16:465:51
1011.16:475:52
1111.16:475:52
1211.16:475:53
1311.16:475:54
1411.16:475:54
1511.16:475:55
1611.16:485:55
1711.16:485:56
1811.16:485:56
1911.26:485:57
2011.26:485:58
2111.26:485:58
2211.26:485:59
2311.26:485:59
2411.26:486:00
2511.26:486:00
2611.26:486:01
2711.26:486:01
2811.26:486:02
2911.26:486:03
3011.36:486:03
3111.36:476:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.88 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.03 kWh/m² in April across the year — January's 4.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in January

Hazard calendar for Kaset Sombun

In seasonPeak

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

Kaset Sombun's monsoon runs May–October, when most of the year's rain falls.

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

Is January a good time to visit Kaset Sombun?

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

7.3
Sightseeing
2nd-best month of the year
8.4
Beach & pool
1st-best month of the year

January is one of the better times to visit Kaset Sombun for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kaset Sombun in January

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

In January, Kaset Sombun sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Kaset Sombun in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kaset Sombun peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec8Very high

Air quality in Kaset Sombun 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 Kaset Sombun is worst in March — around 51 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (June, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1550 µg/m³Jun 2319 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb45Poor
Mar51Poor
Apr41Poor
May27Moderate
Jun19Moderate
Jul19Moderate
Aug20Moderate
Sep21Moderate
Oct24Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Kaset Sombun?

Kaset Sombun sits at 16.3°N, 102.0°E, 234 m above sea level, in Thailand. The nearest listed city is Phu Khiao, 21 km away.

Bua Yai

Topography around Kaset Sombun

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

Within 3 km, the terrain around Kaset Sombun has only modest variations in elevation — a maximum elevation change of 42 m around an average of 232 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,003 m; within 80 km, large variations in elevation — a maximum elevation change of 1,195 m.

The land around Kaset Sombun is covered by cropland (64%) and trees (22%) within 3 km, trees (47%) and cropland (44%) within 16 km, and cropland (50%) and trees (44%) within 80 km.

3 km
42 m
16 km
1,003 m
80 km
1,195 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Phu Khiao 21 km · Chum Phae 33 km · Kaeng Khro 38 km · Chaiyaphum 53 km · Phu Kradueng 68 km · Phetchabun 86 km · Ban Phai 87 km · Bua Yai 92 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 Kaset Sombun (16.2805°, 101.9542°, elevation 234 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. 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).