Phetchabun weather in December

In December, Phetchabun sees average daytime highs of 29°C and overnight lows near 17°C, with 8 mm of rain across 1.3 wet days and about 11 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 56% 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 hours by month's end. Set against the rest of the year, December is Phetchabun's 3rd-clearest and 1st-windiest month. For the whole year in context, see Phetchabun's year-round climate.

Daytime high
29°
12th warmest
Overnight low
17°
2nd coldest
Rainfall
8 mm
1.3 wet days
Daylight
11 hours
6:41 AM – 5:42 PM
Cloud cover
38%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
4.67 kWh/m²
Travel score
6.7
out of 10

Phetchabun is town in Phetchabun 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 29°C through the month.

A typical December day in Phetchabun reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°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)
13019
23019
33019
43019
53019
63018
73018
83018
93018
103018
113018
122918
132918
142918
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How December really feels in Phetchabun

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.

Phetchabun weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°8211.16.3
Feb32° / 19°122.511.45.3
Mar33° / 21°315.911.94.1
Apr34° / 23°5410.412.43.1
May33° / 24°15220.212.82.7
Jun31° / 24°17323.5132.7
Jul30° / 24°22425.812.92.9
Aug30° / 23°26227.612.62.8
Sep30° / 23°24725.612.12.9
Oct31° / 22°11314.211.64.2
Nov31° / 20°233.311.25.6
Dec29° / 17°81.3116.7

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 20% of December, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57228
67228
77228
87228
97228
107228
117327
127426
137426
147525
157624
167723
177723
187822
197822
207921
217921
228020
238020
248020
258119
268020
278020
288020
297822
307822
317723

Chance of precipitation in December

Any precipitation

Phetchabun gets around 8 mm of rain over 1.3 wet days in December. 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 (%)
15
25
35
45
55
65
74
84
94
104
113
123
133
142
152
162
172
182
192
203
213
223
234
244
254
264
275
285
295
306
316

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1714333511
2714343411
3715343310
4816353210
581635319
681736309
791836298
891837288
991937287
10102037276
11112037276
12122137265
13132136264
14142136264
15152135254
16162134253
17172234253
18182233253
19182232253
20192331243
21192331243
22202430243
23202530233
24202530233
25192630223
26192631223
27182631213
28172732213
29162733213
30152734213
31142835213

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
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 6:32 AM to 6:47 AM, and sunset from 5:38 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:325:38
211.16:335:38
311.16:345:38
411.16:345:38
511.16:355:39
611.16:355:39
711.16:365:39
811.16:365:40
911.06:375:40
1011.06:375:40
1111.06:385:40
1211.06:395:41
1311.06:395:41
1411.06:405:42
1511.06:405:42
1611.06:415:42
1711.06:415:43
1811.06:425:43
1911.06:425:44
2011.06:435:44
2111.06:435:45
2211.06:445:45
2311.06:445:45
2411.06:455:46
2511.06:455:46
2611.06:455:47
2711.06:465:47
2811.06:465:48
2911.06:475:48
3011.06:475:49
3111.06:475:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.67 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.15 kWh/m² in April across the year — December's 4.67 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
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
194.7Bright
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 Phetchabun

In seasonPeak

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

Phetchabun's monsoon runs May–September, 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 Phetchabun?

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

6.7
Sightseeing
1st-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Phetchabun in December

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

In December, Phetchabun sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Phetchabun 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 Phetchabun peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Phetchabun 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 Phetchabun is worst in March — around 49 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (June, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1648 µg/m³Jun 2319 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb42Poor
Mar49Poor
Apr40Poor
May26Moderate
Jun19Moderate
Jul19Moderate
Aug19Moderate
Sep20Moderate
Oct22Moderate
Nov21Moderate
Dec24Moderate
Location & terrain

Where is Phetchabun?

Phetchabun sits at 16.4°N, 101.2°E, 120 m above sea level, in Thailand. The nearest listed city is Chon Daen, 41 km away.

Topography around Phetchabun

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

Within 3 km, the terrain around Phetchabun has only modest variations in elevation — a maximum elevation change of 24 m around an average of 118 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,143 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,764 m.

The land around Phetchabun is covered by cropland (39%), trees (32%) and artificial surfaces (25%) within 3 km, trees (48%) and cropland (44%) within 16 km, and trees (61%) and cropland (34%) within 80 km.

3 km
24 m
16 km
1,143 m
80 km
1,764 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Chon Daen 41 km · Lom Sak 41 km · Nong Phai 49 km · Thap Khlo 67 km · Taphan Hin 82 km · Wichian Buri 85 km · Kaset Sombun 86 km · Phichit 87 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 Phetchabun (16.419°, 101.1606°, elevation 120 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).