Phon Charoen weather in December

In December, Phon Charoen sees average daytime highs of 29°C and overnight lows near 18°C, with 8 mm of rain across 0.9 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 12th-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 68% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Phon Charoen's 2nd-clearest and 1st-windiest month. For the whole year in context, see Phon Charoen's year-round climate.

Daytime high
29°
11th warmest
Overnight low
18°
2nd coldest
Rainfall
8 mm
0.9 wet days
Daylight
10 h 54 min
6:36 AM – 5:31 PM
Cloud cover
30%
2nd clearest
Wind
8 km/h
1st windiest
Solar energy
4.52 kWh/m²
Travel score
7.1
out of 10

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 Phon Charoen reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 2°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
63019
72918
82918
92918
102918
112918
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 Phon Charoen

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.

Phon Charoen weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°101.6117.0
Feb31° / 19°172.411.45.7
Mar33° / 22°376.111.94.0
Apr34° / 25°7511.412.42.8
May33° / 25°26823.512.82.3
Jun32° / 26°34126.313.12.3
Jul31° / 25°40028.2132.4
Aug31° / 25°41028.512.62.4
Sep31° / 25°29323.712.12.8
Oct32° / 24°8310.311.64.3
Nov31° / 21°172.611.25.7
Dec29° / 18°80.910.97.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28317
38317
48218
58119
68119
78119
88020
98020
108020
118020
128020
138218
148218
158218
168317
178317
188416
198416
208416
218515
228515
238515
248515
258515
268515
278515
288416
298317
308218
318218

Chance of precipitation in December

Any precipitation

Phon Charoen gets around 8 mm of rain over 0.9 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
82
92
102
112
122
132
142
152
162
172
182
192
203
213
223
233
244
254
264
274
284
294
304
314

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11116332911
21217332810
31217332710
4131833279
5142032268
6142132258
7152232247
8152332246
9162431235
10172531235
11182630224
12192629224
13202728223
14212728223
15222727223
16232726222
17242726212
18242725212
19252725212
20262725202
21262725202
22272725191
23272726191
24272726181
25272727181
26262728171
27262729171
28252730171
29242731171
30232732171
31222732171

Wind in December

Winds average 8 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 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 6:27 AM to 6:43 AM, and sunset from 5:27 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:275:27
211.06:285:27
311.06:285:27
411.06:295:28
511.06:305:28
611.06:305:28
711.06:315:28
811.06:315:29
910.96:325:29
1010.96:325:29
1110.96:335:29
1210.96:345:30
1310.96:345:30
1410.96:355:30
1510.96:355:31
1610.96:365:31
1710.96:365:32
1810.96:375:32
1910.96:375:32
2010.96:385:33
2110.96:385:33
2210.96:395:34
2310.96:395:34
2410.96:405:35
2510.96:405:35
2610.96:415:36
2710.96:415:36
2810.96:415:37
2910.96:425:37
3010.96:425:38
3110.96:435:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.02 kWh/m² in April across the year — December's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Phon Charoen

In seasonPeak

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

Phon Charoen'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 Phon Charoen?

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

7.1
Sightseeing
1st-best month of the year
8.9
Beach & pool
1st-best month of the year

December is one of the better times to visit Phon Charoen for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Phon Charoen in December

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

In December, Phon Charoen sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Phon Charoen in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phon Charoen peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 14UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Phon Charoen 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 Phon Charoen is worst in April — around 78 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (November, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 977 µg/m³Nov 1616 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb39Poor
Mar75Unhealthy
Apr78Unhealthy
May28Moderate
Jun20Moderate
Jul20Moderate
Aug20Moderate
Sep18Moderate
Oct18Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Phon Charoen?

Phon Charoen sits at 18.0°N, 103.2°E, 170 m above sea level, in Thailand. The nearest listed city is Ban Dung, 38 km away.

Topography around Phon Charoen

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

Within 3 km, the terrain around Phon Charoen has only modest variations in elevation — a maximum elevation change of 43 m around an average of 171 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,873 m.

The land around Phon Charoen is covered by trees (46%) and cropland (41%) within 3 km, trees (51%) and cropland (39%) within 16 km, and trees (53%) and cropland (39%) within 80 km.

3 km
43 m
16 km
67 m
80 km
1,873 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Ban Dung 38 km · Nong Khai 48 km · Vientiane 60 km · Tha Bo 65 km · Pakxan 66 km · Sawang Daen Din 69 km · Udon Thani 80 km · Borikhan 83 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 Phon Charoen (18.0333°, 103.1667°, elevation 170 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).