Phon Charoen weather in January

In January, Phon Charoen sees average daytime highs of 29°C and overnight lows near 17°C, with 10 mm of rain across 1.6 wet days and about 11 hours of daylight. It is the 11th-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 68% of the time in January, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Phon Charoen's 3rd-clearest and 4th-windiest month. For the whole year in context, see Phon Charoen's year-round climate.

Daytime high
29°
11th warmest
Overnight low
17°
1st coldest
Rainfall
10 mm
1.6 wet days
Daylight
11 hours
6:46 AM – 5:47 PM
Cloud cover
31%
3rd clearest
Wind
8 km/h
4th windiest
Solar energy
4.71 kWh/m²
Travel score
7.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Phon Charoen 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 25°C and 32°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How January really feels in Phon Charoen

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 11th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
47822
57822
67822
77822
87822
97822
107822
117822
127822
137822
148020
158020
168020
178119
188119
198218
208218
218317
228317
238317
248218
258218
268317
278317
288317
298317
308317
318416

Chance of precipitation in January

Any precipitation

Phon Charoen gets around 10 mm of rain over 1.6 wet days in January. 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 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
84
95
105
115
125
135
145
156
166
176
186
196
206
216
226
236
246
257
267
277
287
297
307
317

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1212733181
2202733181
3202733181
4192734181
5192734192
6182734192
7182734192
8182734202
9182734202
10182734202
11182633202
12182633202
13182633202
14172634202
15172634202
16172634202
17172634203
18172635203
19172735193
20162735193
21162735193
22162735193
23162735203
24162735203
25162634203
26162634213
27172633213
28172533214
29172532224
30182532224
31182531234

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
77calm
87calm
97calm
107calm
117calm
127calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:42 AM to 6:45 AM, and sunset from 5:39 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:425:39
210.96:435:39
310.96:435:40
410.96:435:40
511.06:445:41
611.06:445:41
711.06:445:42
811.06:445:43
911.06:455:43
1011.06:455:44
1111.06:455:44
1211.06:455:45
1311.06:455:46
1411.06:465:46
1511.06:465:47
1611.06:465:47
1711.06:465:48
1811.06:465:49
1911.16:465:49
2011.16:465:50
2111.16:465:50
2211.16:465:51
2311.16:465:52
2411.16:465:52
2511.16:465:53
2611.16:465:53
2711.16:465:54
2811.16:465:55
2911.26:455:55
3011.26:455:56
3111.26:455:56

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.71 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 — January's 4.71 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
315.0Bright
Planning a trip in January

Hazard calendar for Phon Charoen

In seasonPeak

None of Phon Charoen's seasonal hazards are active in January. 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 January a good time to visit Phon Charoen?

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

7.0
Sightseeing
2nd-best month of the year
8.8
Beach & pool
2nd-best month of the year

January 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 January

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

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

light clothessun protection

UV index in Phon Charoen in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).