Thoen weather in December

In December, Thoen sees average daytime highs of 29°C and overnight lows near 17°C, with 14 mm of rain across 2.2 wet days and about 11 hours of daylight. It is the 12th-warmest and 10th-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 58% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Thoen's 4th-clearest and 8th-windiest month. For the whole year in context, see Thoen's year-round climate.

Daytime high
29°
12th warmest
Overnight low
17°
2nd coldest
Rainfall
14 mm
2.2 wet days
Daylight
11 hours
6:51 AM – 5:48 PM
Cloud cover
37%
4th clearest
Wind
5 km/h
8th windiest
Solar energy
4.44 kWh/m²
Travel score
6.9
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 Thoen 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 about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52918
62918
72918
82918
92918
102918
112918
122918
132917
142917
152917
162917
172917
182917
192917
202917
212917
222916
232916
242916
252916
262916
272916
282916
292916
302916
312916

How December really feels in Thoen

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.

Thoen weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 16°132.211.16.2
Feb33° / 18°71.611.44.4
Mar36° / 21°253.711.92.7
Apr37° / 24°659.512.41.8
May34° / 25°2052012.82.2
Jun32° / 25°17021.2132.6
Jul31° / 24°18222.512.92.8
Aug31° / 24°24225.412.62.7
Sep31° / 24°24624.912.12.7
Oct31° / 23°14818.111.63.9
Nov30° / 20°335.211.25.7
Dec29° / 17°142.2116.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57327
67228
77228
87327
97327
107327
117426
127525
137525
147723
157822
167822
177921
188119
198119
208218
218218
228218
238218
248317
258317
268218
278119
288119
298020
308020
318020

Chance of precipitation in December

Any precipitation

Thoen gets around 14 mm of rain over 2.2 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 7% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
410
510
610
79
89
99
108
118
127
137
146
156
165
175
185
195
205
215
225
235
246
256
266
276
286
297
307
317

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
118204427
218214426
329224325
429234224
5210244223
6210254122
7211264120
8211264119
9212274118
10313284017
11314284015
12315293914
13316293913
14417293812
15418303711
16520303610
1752130359
1862230348
1962331337
2072431327
2172431316
2282532306
2382532295
2482632295
2582633285
2682633285
2782634285
2882634285
2972535285
3072535285
3162435295

Wind in December

Winds average 5 km/h in December.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:42 AM to 6:58 AM, and sunset from 5:44 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:425:44
211.06:435:44
311.06:435:44
411.06:445:44
511.06:455:44
611.06:455:45
711.06:465:45
811.06:465:45
911.06:475:45
1011.06:475:46
1111.06:485:46
1211.06:495:46
1311.06:495:47
1411.06:505:47
1511.06:505:47
1611.06:515:48
1710.96:515:48
1810.96:525:49
1910.96:525:49
2010.96:535:50
2110.96:535:50
2210.96:545:50
2310.96:545:51
2410.96:555:51
2510.96:555:52
2610.96:565:52
2710.96:565:53
2811.06:565:53
2911.06:575:54
3011.06:575:55
3111.06:585:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.44 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.28 kWh/m² in April across the year — December's 4.44 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Thoen

In seasonPeak

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

Thoen'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 Thoen?

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

6.9
Sightseeing
1st-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Thoen in December

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

In December, Thoen sees daytime highs around 29°C and nights near 17°C. Pack light clothes.

light clothes

UV index in Thoen 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 Thoen peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 13UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar10Very high
Apr11Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Thoen 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 Thoen is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (July, 12 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateGoodModerateMar 2160 µg/m³Jul 1512 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb37Poor
Mar61Unhealthy
Apr54Poor
May20Moderate
Jun12Good
Jul12Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec16Moderate
Location & terrain

Where is Thoen?

Thoen sits at 17.6°N, 99.2°E, 170 m above sea level, in Thailand. The nearest listed city is Si Satchanalai, 59 km away.

UttaraditSukhothai

Topography around Thoen

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

Within 3 km, the terrain around Thoen has only modest variations in elevation — a maximum elevation change of 86 m around an average of 175 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 777 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,829 m.

The land around Thoen is covered by trees (42%) and cropland (34%) within 3 km, trees (79%) within 16 km, and trees (76%) within 80 km.

3 km
86 m
16 km
777 m
80 km
1,829 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Si Satchanalai 59 km · Ban Tak 65 km · Sawankhalok 73 km · Lampang 81 km · Tak 83 km · Ban Na 86 km · Uttaradit 93 km · Sukhothai 93 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 Thoen (17.6129°, 99.2161°, 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).