Nakhon Ratchasima weather in December

In December, Nakhon Ratchasima sees average daytime highs of 30°C and overnight lows near 19°C, with 5 mm of rain across 1.3 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 43% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Nakhon Ratchasima's 4th-clearest and 2nd-windiest month. For the whole year in context, see Nakhon Ratchasima's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
5 mm
1.3 wet days
Daylight
11 h 06 min
6:34 AM – 5:41 PM
Cloud cover
48%
4th clearest
Wind
11 km/h
2nd windiest
Solar energy
4.72 kWh/m²
Travel score
6.1
out of 10

Nakhon Ratchasima is Capital city of Nakhon Ratchasima Province, Thailand.

Air quality
Elevated
PM2.5 24 µg/m³ · 2019
Density
3,370/km²
people per km²
Founded
1656

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 Nakhon Ratchasima 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 26°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
23021
33021
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

How December really feels in Nakhon Ratchasima

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.

Nakhon Ratchasima 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°71.711.25.7
Feb33° / 21°91.711.54.3
Mar35° / 24°386.711.92.7
Apr36° / 25°6912.612.32.0
May35° / 26°14020.112.72.0
Jun34° / 26°11919.412.92.1
Jul33° / 26°12621.112.82.3
Aug33° / 25°16122.812.52.4
Sep32° / 25°23124.512.12.5
Oct31° / 24°13816.411.73.7
Nov31° / 22°294.811.35.1
Dec30° / 19°51.311.16.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65446
75545
85545
95644
105644
115743
125743
135842
146040
156040
166238
176337
186436
196535
206634
216733
226733
236832
246832
256931
266931
276931
287030
297030
307030
317030

Chance of precipitation in December

Any precipitation

Nakhon Ratchasima gets around 5 mm of rain over 1.3 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 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
45
55
65
75
85
94
104
114
124
133
143
153
163
173
183
193
203
214
224
234
244
254
264
274
284
294
304
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 31% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1411293818
2411303717
3512313616
4512323515
5513333514
6514333414
7514343313
8615353212
9616353211
10617353111
11717353110
1281834319
1381933309
1492032308
15102031308
16112131308
17122130307
18132229307
19132228297
20142328296
21152328286
22152427285
23162427275
24162528275
25162528264
26162528264
27162529264
28162530264
29152530264
30142531254
31142532254

Wind in December

Winds average 11 km/h in December.

Across December, 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
110calm
210calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 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 shrink by about 6 minutes over December. Sunrise moves from 6:26 AM to 6:41 AM, and sunset from 5:37 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:265:37
211.26:275:37
311.26:275:37
411.26:285:37
511.26:285:38
611.16:295:38
711.16:295:38
811.16:305:38
911.16:305:39
1011.16:315:39
1111.16:325:39
1211.16:325:40
1311.16:335:40
1411.16:335:40
1511.16:345:41
1611.16:345:41
1711.16:355:42
1811.16:355:42
1911.16:365:43
2011.16:365:43
2111.16:375:43
2211.16:375:44
2311.16:385:44
2411.16:385:45
2511.16:395:45
2611.16:395:46
2711.16:395:46
2811.16:405:47
2911.16:405:47
3011.16:415:48
3111.16:415:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.08 kWh/m² in April across the year — December's 4.72 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
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Nakhon Ratchasima

In seasonPeak

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

Nakhon Ratchasima'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 Nakhon Ratchasima?

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

6.1
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

December is a reasonable time to visit Nakhon Ratchasima for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nakhon Ratchasima in December

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

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

light clothessun protection

UV index in Nakhon Ratchasima in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nakhon Ratchasima peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 highExtremeExtremeVery highAug 13UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May10Very high
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Nakhon Ratchasima 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 Nakhon Ratchasima is worst in March — around 37 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (June, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nakhon Ratchasima's WHO annual average of 24 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1337 µg/m³Jun 2218 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb34Moderate
Mar37Poor
Apr30Moderate
May23Moderate
Jun18Moderate
Jul18Moderate
Aug19Moderate
Sep21Moderate
Oct23Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Nakhon Ratchasima?

Nakhon Ratchasima sits at 15.0°N, 102.1°E, 187 m above sea level, in Thailand. The nearest listed city is Chok Chai, 28 km away.

Topography around Nakhon Ratchasima

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

Within 3 km, the terrain around Nakhon Ratchasima has only modest variations in elevation — a maximum elevation change of 33 m around an average of 185 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 133 m; within 80 km, large variations in elevation — a maximum elevation change of 866 m.

The land around Nakhon Ratchasima is covered by artificial surfaces (62%) and trees (27%) within 3 km, cropland (47%) and trees (27%) within 16 km, and cropland (72%) and trees (22%) within 80 km.

3 km
33 m
16 km
133 m
80 km
866 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Chok Chai 28 km · Non Sung 29 km · Amphoe Sikhiu 43 km · Dan Khun Thot 44 km · Khon Buri 52 km · Ban Huai Thalaeng 59 km · Bua Yai 77 km · Pak Chong 79 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 Nakhon Ratchasima (14.9707°, 102.102°, elevation 187 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).