Bua Yai weather in December

In December, Bua Yai sees average daytime highs of 30°C and overnight lows near 19°C, with 6 mm of rain across 1.6 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 12th-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 47% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Bua Yai's 4th-clearest and 1st-windiest month. For the whole year in context, see Bua Yai's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
6 mm
1.6 wet days
Daylight
11 h 06 min
6:34 AM – 5:39 PM
Cloud cover
46%
4th clearest
Wind
12 km/h
1st windiest
Solar energy
4.69 kWh/m²
Travel score
6.0
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 December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Bua Yai reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33120
43120
53120
63020
73020
83020
93020
103020
113020
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243018
253018
263018
273018
283018
293018
303018
313018

How December really feels in Bua Yai

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 12th-warmest and 12th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35842
45941
55941
65941
75941
86040
96040
106238
116238
126337
136436
146535
156535
166733
176832
186832
196931
207030
217030
227129
237129
247129
257129
267129
277228
287228
297228
307129
317129

Chance of precipitation in December

Any precipitation

Bua Yai gets around 6 mm of rain over 1.6 wet days in December, the driest month. 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 (%)
16
26
36
46
56
66
76
86
96
106
116
125
135
145
155
165
175
184
194
204
214
224
234
244
254
264
274
284
294
305
315

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1412293916
2513303815
3513303714
4514313613
5514323613
6615333512
7615343411
8616353310
961735329
1071735329
1181835318
1281935317
1392034307
14102034306
15112133296
16122133296
17132232285
18142231285
19152331275
20152331274
21162330264
22172430254
23172430253
24182431243
25182431243
26182531233
27182532232
28182533232
29172533232
30162534232
31152534232

Wind in December

Winds average 12 km/h in December, the windiest month of the year.

Across December, 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
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:26 AM to 6:41 AM, and sunset from 5:34 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:265:34
211.16:265:34
311.16:275:35
411.16:285:35
511.16:285:35
611.16:295:35
711.16:295:36
811.16:305:36
911.16:305:36
1011.16:315:37
1111.16:315:37
1211.16:325:37
1311.16:325:38
1411.16:335:38
1511.16:345:38
1611.16:345:39
1711.16:355:39
1811.16:355:40
1911.16:365:40
2011.16:365:41
2111.16:375:41
2211.16:375:41
2311.16:385:42
2411.16:385:42
2511.16:385:43
2611.16:395:43
2711.16:395:44
2811.16:405:44
2911.16:405:45
3011.16:405:46
3111.16:415:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.69 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 — December's 4.69 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Bua Yai

In seasonPeak

None of Bua Yai's seasonal hazards are active in December. 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 December a good time to visit Bua Yai?

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

6.0
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

December 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 December

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

In December, Bua Yai sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Bua Yai in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).