Kaset Wisai weather in January

In January, Kaset Wisai sees average daytime highs of 31°C and overnight lows near 18°C, with 6 mm of rain across 1.7 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 11th-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 59% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Kaset Wisai's 2nd-clearest and 4th-windiest month. For the whole year in context, see Kaset Wisai's year-round climate.

Daytime high
31°
11th warmest
Overnight low
18°
1st coldest
Rainfall
6 mm
1.7 wet days
Daylight
11 h 12 min
6:40 AM – 5:50 PM
Cloud cover
36%
2nd clearest
Wind
11 km/h
4th windiest
Solar energy
5.05 kWh/m²
Travel score
5.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Kaset Wisai reaches about 31°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73018
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183118
193118
203118
213118
223119
233119
243119
253119
263119
273119
283119
293119
303119
313119

How January really feels in Kaset Wisai

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 Wisai 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
Jan31° / 18°61.711.25.8
Feb33° / 20°112.211.54.4
Mar35° / 24°416.411.92.8
Apr36° / 26°6911.512.32.0
May35° / 26°17720.612.72.0
Jun34° / 26°15720.612.92.2
Jul33° / 26°19322.212.82.4
Aug32° / 26°23324.612.52.4
Sep32° / 25°26324.612.12.6
Oct31° / 24°12413.211.64.0
Nov31° / 22°263.611.35.2
Dec30° / 19°61.311.16.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37624
47525
57525
67426
77426
87426
97426
107327
117327
127327
137327
147525
157525
167624
177624
187822
197822
207921
218020
228020
238119
248119
258119
268317
278317
288317
298317
308416
318416

Chance of precipitation in January

Any precipitation

Kaset Wisai gets around 6 mm of rain over 1.7 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 6% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
126
136
146
156
166
176
187
197
207
216
226
236
246
256
266
276
286
296
306
316

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142337251
2132337252
3132338252
4132238252
5122239242
6122239243
7122239243
8122239243
9122239234
10122239234
11122240224
12122240225
13112340215
14112340215
15112340216
16112340206
17112340206
18112439206
19112439206
20112439206
21112539206
22102539206
23102538216
24102638216
25112637216
26112636216
27112636226
28122635226
29122634226
30122633227
31122632227

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 06 min 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 12 minutes over January. Sunrise moves from 6:36 AM to 6:40 AM, and sunset from 5:41 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:365:41
211.16:375:42
311.16:375:42
411.16:375:43
511.16:385:44
611.16:385:44
711.16:385:45
811.16:385:45
911.16:395:46
1011.16:395:46
1111.16:395:47
1211.16:395:48
1311.16:405:48
1411.16:405:49
1511.26:405:49
1611.26:405:50
1711.26:405:50
1811.26:405:51
1911.26:405:52
2011.26:405:52
2111.26:405:53
2211.26:415:53
2311.26:415:54
2411.26:415:54
2511.26:415:55
2611.26:405:55
2711.36:405:56
2811.36:405:56
2911.36:405:57
3011.36:405:57
3111.36:405:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.05 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.19 kWh/m² in April across the year — January's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Kaset Wisai

In seasonPeak

None of Kaset Wisai'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 Wisai'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 Wisai?

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

5.8
Sightseeing
2nd-best month of the year
8.3
Beach & pool
2nd-best month of the year

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

What to pack for Kaset Wisai in January

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

In January, Kaset Wisai sees daytime highs around 31°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Kaset Wisai 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 Wisai peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 13Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Kaset Wisai 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 Wisai is worst in March — around 52 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (December, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1751 µg/m³Dec 1320 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb40Poor
Mar52Poor
Apr41Poor
May30Moderate
Jun22Moderate
Jul24Moderate
Aug25Moderate
Sep28Moderate
Oct28Moderate
Nov23Moderate
Dec20Moderate
Location & terrain

Where is Kaset Wisai?

Kaset Wisai sits at 15.7°N, 103.6°E, 145 m above sea level, in Thailand. The nearest listed city is Roi Et, 45 km away.

Topography around Kaset Wisai

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

Within 3 km, the terrain around Kaset Wisai has only modest variations in elevation — a maximum elevation change of 33 m around an average of 132 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 133 m.

The land around Kaset Wisai is covered by cropland (65%) within 3 km, cropland (81%) within 16 km, and cropland (81%) within 80 km.

3 km
33 m
16 km
37 m
80 km
133 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Roi Et 45 km · Ban Selaphum 56 km · Yasothon 62 km · Maha Sarakham 66 km · Kamalasai 76 km · Surin 87 km · Kalasin 87 km · Buri Ram 90 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 Wisai (15.6556°, 103.5836°, elevation 145 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).