Nakhon Nayok weather in December

In December, Nakhon Nayok sees average daytime highs of 30°C and overnight lows near 20°C, with 8 mm of rain across 1.9 wet days and about 11.2 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 44% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Nakhon Nayok's 4th-clearest and 1st-windiest month. For the whole year in context, see Nakhon Nayok's year-round climate.

Daytime high
30°
12th warmest
Overnight low
20°
2nd coldest
Rainfall
8 mm
1.9 wet days
Daylight
11 h 12 min
6:36 AM – 5:46 PM
Cloud cover
47%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
4.77 kWh/m²
Travel score
6.0
out of 10

Nakhon Nayok is town in Nakhon Nayok province, Thailand.

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 Nayok reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33021
43021
53021
63021
73021
83021
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

How December really feels in Nakhon Nayok

Once humidity and wind are folded in, December averages 4 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
4
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nakhon Nayok 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° / 20°12311.35.7
Feb32° / 21°173.511.54.9
Mar33° / 23°50911.93.7
Apr34° / 24°8614.712.32.7
May33° / 25°19624.612.62.3
Jun31° / 24°25426.912.82.4
Jul31° / 24°29328.112.82.6
Aug31° / 24°30528.412.52.5
Sep30° / 24°35827.512.12.6
Oct31° / 23°21620.411.73.5
Nov31° / 22°396.411.35.0
Dec30° / 20°81.911.26.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46535
56535
66535
76535
86535
96535
106535
116535
126733
136733
146733
156931
166931
177030
187129
197129
207228
217327
227327
237327
247327
257327
267426
277426
287426
297327
307327
317327

Chance of precipitation in December

Any precipitation

Nakhon Nayok gets around 8 mm of rain over 1.9 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 6% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
310
410
59
69
78
88
97
107
116
125
135
145
154
164
174
184
194
204
214
224
234
244
254
264
274
285
295
305
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1251837353
2251937343
3251938333
4262038322
5262138312
6272238302
7272338292
8182338281
9182437281
10292537271
112102536251
122112636251
132112635250
143122734240
153132734230
163132733230
174142732230
184142831220
195152830220
206152830220
216152829210
226152929200
237152929200
247162930190
257152930180
267152931170
277152932170
287152933160
297143034160
306143034160
316133035160

Wind in December

Winds average 7 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
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
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 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 6:28 AM to 6:43 AM, and sunset from 5:42 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:285:42
211.26:295:42
311.26:295:42
411.26:305:42
511.26:305:42
611.26:315:43
711.26:325:43
811.26:325:43
911.26:335:44
1011.26:335:44
1111.26:345:44
1211.26:345:45
1311.26:355:45
1411.26:355:45
1511.26:365:46
1611.26:365:46
1711.26:375:47
1811.26:375:47
1911.26:385:48
2011.26:385:48
2111.26:395:48
2211.26:395:49
2311.26:405:49
2411.26:405:50
2511.26:415:50
2611.26:415:51
2711.26:425:51
2811.26:425:52
2911.26:425:52
3011.26:435:53
3111.26:435:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.9 kWh/m² in April across the year — December's 4.77 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.8Bright
174.8Bright
184.8Bright
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 Nayok

In seasonPeak

None of Nakhon Nayok'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 Nayok'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 Nayok?

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 Nakhon Nayok for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nakhon Nayok in December

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

In December, Nakhon Nayok sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Nakhon Nayok in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Nakhon Nayok peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 14UV 13Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Nakhon Nayok 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 Nayok is worst in February — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorFeb 1759 µg/m³Dec 1035 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb60Unhealthy
Mar56Unhealthy
Apr48Poor
May40Poor
Jun35Moderate
Jul35Poor
Aug36Poor
Sep40Poor
Oct41Poor
Nov36Poor
Dec34Moderate
Location & terrain

Where is Nakhon Nayok?

Nakhon Nayok sits at 14.2°N, 101.2°E, 12 m above sea level, in Thailand. The nearest listed city is Ban Phra, 23 km away.

Topography around Nakhon Nayok

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

Within 3 km, the terrain around Nakhon Nayok has only modest variations in elevation — a maximum elevation change of 25 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 735 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,364 m.

The land around Nakhon Nayok is covered by cropland (37%) and trees (34%) within 3 km, trees (44%) and cropland (43%) within 16 km, and trees (46%) and cropland (38%) within 80 km.

3 km
25 m
16 km
735 m
80 km
1,364 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ban Phra 23 km · Ban Sang 23 km · Thambon Na Mueang 24 km · Prachin Buri Town 24 km · Prachin Buri 24 km · Prachantakham 36 km · Nong Khae 40 km · Si Mahosot 41 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 Nayok (14.2046°, 101.213°, elevation 12 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).