Wang Nam Yen weather in December

In December, Wang Nam Yen sees average daytime highs of 31°C and overnight lows near 21°C, with 7 mm of rain across 1.7 wet days and about 11.2 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 37% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Wang Nam Yen's 4th-clearest and 1st-windiest month. For the whole year in context, see Wang Nam Yen's year-round climate.

Daytime high
31°
12th warmest
Overnight low
21°
2nd coldest
Rainfall
7 mm
1.7 wet days
Daylight
11 h 12 min
6:31 AM – 5:44 PM
Cloud cover
52%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
4.85 kWh/m²
Travel score
5.6
out of 10

Wang Nam Yen is town in Sa Kaeo province, Thailand.

Founded
1980

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 31°C through the month.

A typical December day in Wang Nam Yen reaches about 31°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113121
123121
133121
143121
153121
163021
173021
183021
193021
203021
213021
223021
233021
243021
253121
263121
273121
283121
293121
303121
313121

How December really feels in Wang Nam Yen

Once humidity and wind are folded in, December averages 9 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
9
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.

Wang Nam Yen 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
Jan31° / 21°173.311.35.1
Feb33° / 22°244.311.64.1
Mar34° / 24°7111.811.93.0
Apr34° / 25°10617.912.32.4
May33° / 26°17424.612.62.3
Jun32° / 25°17625.112.82.5
Jul31° / 25°20227.412.72.6
Aug31° / 25°21927.612.42.5
Sep31° / 25°2622712.12.6
Oct31° / 24°17519.611.73.5
Nov31° / 23°316.111.44.9
Dec31° / 21°71.711.25.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45644
55644
65545
75545
85743
95743
105743
115842
125941
135941
146040
156139
166139
176238
186238
196436
206436
216535
226535
236535
246535
256634
266634
276634
286634
296535
306634
316634

Chance of precipitation in December

Any precipitation

Wang Nam Yen gets around 7 mm of rain over 1.7 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
28
38
48
57
67
77
87
97
106
116
126
136
146
155
165
175
185
195
205
215
225
234
244
254
264
274
284
294
305
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 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1151838334
2151939324
3161939313
4162040303
5172140292
6172240272
7182340262
8182440251
9192440241
101102540231
112102640221
122112639211
132122739200
143132738190
153142737190
164142736180
174152735180
185152834170
195162834170
206162833160
216172832160
227172932150
237182931140
247183031140
257183031130
267183131130
277183131130
287183131120
297183231130
306173231130
316173331130

Wind in December

Winds average 10 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 12 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 6:23 AM to 6:38 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)
111.36:235:39
211.36:245:39
311.36:245:39
411.26:255:40
511.26:255:40
611.26:265:40
711.26:265:40
811.26:275:41
911.26:285:41
1011.26:285:41
1111.26:295:42
1211.26:295:42
1311.26:305:42
1411.26:305:43
1511.26:315:43
1611.26:315:44
1711.26:325:44
1811.26:325:45
1911.26:335:45
2011.26:335:45
2111.26:345:46
2211.26:345:46
2311.26:355:47
2411.26:355:47
2511.26:365:48
2611.26:365:48
2711.26:365:49
2811.26:375:49
2911.26:375:50
3011.26:385:50
3111.26:385:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.93 kWh/m² in April across the year — December's 4.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Wang Nam Yen

In seasonPeak

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

Wang Nam Yen's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Wang Nam Yen?

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

5.6
Sightseeing
1st-best month of the year
8.0
Beach & pool
1st-best month of the year

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

What to pack for Wang Nam Yen in December

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

In December, Wang Nam Yen sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Wang Nam Yen in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wang Nam Yen peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 15UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Wang Nam Yen 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 Wang Nam Yen is worst in February — around 40 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateFeb 1740 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb40Poor
Mar36Poor
Apr28Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep23Moderate
Oct23Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Wang Nam Yen?

Wang Nam Yen sits at 13.5°N, 102.2°E, 104 m above sea level, in Thailand. The nearest listed city is Sa Kaeo, 36 km away.

Topography around Wang Nam Yen

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

Within 3 km, the terrain around Wang Nam Yen has only modest variations in elevation — a maximum elevation change of 80 m around an average of 99 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,590 m.

The land around Wang Nam Yen is covered by trees (44%) and cropland (27%) within 3 km, cropland (52%) and trees (34%) within 16 km, and trees (56%) and cropland (38%) within 80 km.

3 km
80 m
16 km
259 m
80 km
1,590 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sa Kaeo 36 km · Aranyaprathet 40 km · Poipet 45 km · Ou Bei Choan 67 km · Kabin Buri 71 km · Na Di 80 km · Sisophon 86 km · Pailin 86 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 Wang Nam Yen (13.5048°, 102.1809°, elevation 104 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).