Bua Yai weather in January

In January, Bua Yai sees average daytime highs of 31°C and overnight lows near 19°C, with 7 mm of rain across 1.6 wet days and about 11.2 hours of daylight. It is the 10th-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 58% 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 Bua Yai's 2nd-clearest and 6th-windiest month. For the whole year in context, see Bua Yai's year-round climate.

Daytime high
31°
10th warmest
Overnight low
19°
1st coldest
Rainfall
7 mm
1.6 wet days
Daylight
11 h 12 min
6:45 AM – 5:55 PM
Cloud cover
38%
2nd clearest
Wind
10 km/h
6th windiest
Solar energy
5.03 kWh/m²
Travel score
5.6
out of 10

Bua Yai is town in Nakhon Ratchasima 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

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

A typical January day in Bua Yai reaches about 31°C in the afternoon and slips back to 19°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 about 1°C warmer than December and about 2°C cooler than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33118
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253219
263219
273219
283219
293219
303219
313219

How January really feels in Bua Yai

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.

Bua Yai weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°71.611.25.6
Feb34° / 21°102.311.54.0
Mar36° / 24°396.811.92.4
Apr36° / 26°7012.712.31.8
May35° / 26°15520.812.71.8
Jun34° / 26°13119.912.92.0
Jul33° / 26°14921.312.82.3
Aug33° / 26°18922.412.52.4
Sep32° / 25°23424.412.12.5
Oct32° / 24°1281511.63.7
Nov31° / 22°28411.35.1
Dec30° / 19°61.611.16.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57030
67030
77030
87030
97030
107030
117129
127129
137129
147228
157327
167426
177426
187624
197624
207723
217822
227921
237921
247921
257921
268119
278119
288119
298218
308119
318119

Chance of precipitation in January

Any precipitation

Bua Yai gets around 7 mm of rain over 1.6 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 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
106
116
126
136
146
156
166
176
185
195
205
215
225
235
245
255
265
275
285
295
305
315

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1152535233
2142635223
3132635223
4132636224
5122636224
6122636224
7112636215
8112736215
9112736216
10112736216
11102736206
12102736207
13102736207
14102736207
15102736208
16102637208
17102637208
18102637208
19102637207
20102637207
21102637207
22102637217
23102637217
24102536217
25102536227
26102535227
27112535237
28112534237
29122433237
30122432247
31132431247

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:41 AM to 6:45 AM, and sunset from 5:46 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:415:46
211.16:415:47
311.16:415:47
411.16:425:48
511.16:425:48
611.16:425:49
711.16:435:49
811.16:435:50
911.16:435:51
1011.16:435:51
1111.16:445:52
1211.16:445:52
1311.16:445:53
1411.26:445:53
1511.26:445:54
1611.26:455:55
1711.26:455:55
1811.26:455:56
1911.26:455:56
2011.26:455:57
2111.26:455:57
2211.26:455:58
2311.26:455:59
2411.26:455:59
2511.26:456:00
2611.36:456:00
2711.36:456:01
2811.36:456:01
2911.36:456:02
3011.36:456:02
3111.36:456:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.13 kWh/m² in April across the year — January's 5.03 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
94.9Bright
104.9Bright
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 Bua Yai

In seasonPeak

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

Bua Yai'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 Bua Yai?

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

5.6
Sightseeing
2nd-best month of the year
8.2
Beach & pool
2nd-best month of the year

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

What to pack for Bua Yai in January

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

In January, Bua Yai sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Bua Yai 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 Bua Yai 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
Feb11Extreme
Mar12Extreme
Apr10Extreme
May10Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Bua Yai 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 Bua Yai is worst in March — around 50 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (June, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1549 µg/m³Jun 2221 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb43Poor
Mar50Poor
Apr39Poor
May29Moderate
Jun21Moderate
Jul22Moderate
Aug23Moderate
Sep27Moderate
Oct30Moderate
Nov26Moderate
Dec24Moderate
Location & terrain

Where is Bua Yai?

Bua Yai sits at 15.6°N, 102.4°E, 177 m above sea level, in Thailand. The nearest listed city is Non Sung, 49 km away.

Kaset Sombun

Topography around Bua Yai

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

Within 3 km, the terrain around Bua Yai has only modest variations in elevation — a maximum elevation change of 30 m around an average of 171 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 793 m.

The land around Bua Yai is covered by cropland (50%) and trees (24%) within 3 km, cropland (83%) within 16 km, and cropland (82%) within 80 km.

3 km
30 m
16 km
83 m
80 km
793 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Non Sung 49 km · Chaiyaphum 49 km · Kaeng Khro 61 km · Ban Phai 62 km · Ban Huai Thalaeng 71 km · Nakhon Ratchasima 77 km · Dan Khun Thot 82 km · Kaset Sombun 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 Bua Yai (15.5855°, 102.4259°, elevation 177 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).