Chon Daen weather in December

In December, Chon Daen sees average daytime highs of 31°C and overnight lows near 19°C, with 8 mm of rain across 1.4 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 31°C through the month. The sky is clear or mostly clear about 56% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of December to 11 hours by month's end. Set against the rest of the year, December is Chon Daen's 4th-clearest and 7th-windiest month. For the whole year in context, see Chon Daen's year-round climate.

Daytime high
31°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
8 mm
1.4 wet days
Daylight
11 hours
6:41 AM – 5:44 PM
Cloud cover
39%
4th clearest
Wind
6 km/h
7th windiest
Solar energy
4.66 kWh/m²
Travel score
5.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Chon Daen 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 28°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13221
23121
33121
43121
53120
63120
73120
83120
93120
103120
113120
123120
133120
143120
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119
313119

How December really feels in Chon Daen

Once humidity and wind are folded in, December averages 11 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
11
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.

Chon Daen 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
Jan32° / 19°101.811.15.3
Feb33° / 21°122.411.54.1
Mar35° / 24°315.611.92.8
Apr36° / 26°5910.212.42.0
May34° / 26°18321.712.72.0
Jun33° / 26°21525.312.92.1
Jul32° / 25°24926.712.92.4
Aug31° / 25°30828.712.52.3
Sep31° / 25°31227.412.12.4
Oct32° / 24°15017.711.63.4
Nov32° / 22°294.211.24.7
Dec31° / 19°81.411.15.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
77129
87129
97228
107327
117426
127426
137624
147723
157822
167921
178020
188119
198218
208218
218218
228317
238317
248317
258317
268317
278218
288119
298119
308020
317921

Chance of precipitation in December

Any precipitation

Chon Daen gets around 8 mm of rain over 1.4 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 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
47
57
66
76
86
95
105
115
124
134
143
153
163
173
183
193
203
213
223
233
243
253
263
274
284
294
304
315

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1281841292
2281941272
3382040262
4392140252
5392240242
6392340232
73102440212
83102540202
94112540192
104122640181
114122739161
125132739151
135142739151
146152738140
156152738130
167162737120
178172737120
188172736110
199182735110
2010182735100
2110182734100
2211182833100
2311192833100
241118293290
251118293290
261118303290
271118313290
281017323290
291017333290
30916333290
31816343290

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

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

Days shrink by about 6 minutes over December. Sunrise moves from 6:33 AM to 6:48 AM, and sunset from 5:39 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:335:39
211.16:345:40
311.16:345:40
411.16:355:40
511.16:355:40
611.16:365:41
711.16:375:41
811.16:375:41
911.16:385:41
1011.16:385:42
1111.16:395:42
1211.16:395:42
1311.06:405:43
1411.06:405:43
1511.06:415:44
1611.06:415:44
1711.06:425:44
1811.06:435:45
1911.06:435:45
2011.06:435:46
2111.06:445:46
2211.06:445:47
2311.06:455:47
2411.06:455:48
2511.06:465:48
2611.06:465:49
2711.06:475:49
2811.06:475:50
2911.06:475:50
3011.06:485:51
3111.06:485:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.66 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.3 kWh/m² in April across the year — December's 4.66 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
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Chon Daen

In seasonPeak

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

Chon Daen'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 Chon Daen?

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

5.7
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

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

What to pack for Chon Daen in December

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

In December, Chon Daen sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Chon Daen 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 Chon Daen peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 14UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar11Extreme
Apr10Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Chon Daen 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 Chon Daen is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (June, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorMar 1355 µg/m³Jun 2223 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb52Poor
Mar56Unhealthy
Apr46Poor
May32Moderate
Jun23Moderate
Jul24Moderate
Aug24Moderate
Sep28Moderate
Oct34Moderate
Nov38Poor
Dec42Poor
Location & terrain

Where is Chon Daen?

Chon Daen sits at 16.2°N, 100.9°E, 106 m above sea level, in Thailand. The nearest listed city is Thap Khlo, 28 km away.

Topography around Chon Daen

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

Within 3 km, the terrain around Chon Daen has only modest variations in elevation — a maximum elevation change of 81 m around an average of 107 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,018 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,544 m.

The land around Chon Daen is covered by cropland (49%) and trees (35%) within 3 km, trees (54%) and cropland (37%) within 16 km, and cropland (55%) and trees (41%) within 80 km.

3 km
81 m
16 km
1,018 m
80 km
1,544 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Thap Khlo 28 km · Nong Phai 31 km · Phetchabun 41 km · Taphan Hin 47 km · Bang Mun Nak 54 km · Phichit 61 km · Wichian Buri 65 km · Bang Krathum 74 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 Chon Daen (16.1895°, 100.8596°, elevation 106 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).