Sawang Daen Din weather in December

In December, Sawang Daen Din sees average daytime highs of 29°C and overnight lows near 18°C, with 6 mm of rain across 1.1 wet days and about 11 hours of daylight. It is the 12th-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 63% of the time in December, and the air most often feels humid.

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 Sawang Daen Din's 3rd-clearest and 1st-windiest month. For the whole year in context, see Sawang Daen Din's year-round climate.

Daytime high
29°
12th warmest
Overnight low
18°
2nd coldest
Rainfall
6 mm
1.1 wet days
Daylight
11 hours
6:34 AM – 5:31 PM
Cloud cover
33%
3rd clearest
Wind
10 km/h
1st windiest
Solar energy
4.6 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 Sawang Daen Din 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
62919
72919
82918
92918
102918
112918
122918
132918
142918
152918
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How December really feels in Sawang Daen Din

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.

Sawang Daen Din 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
Jan29° / 17°81.511.16.9
Feb31° / 19°142.311.45.4
Mar34° / 22°365.911.93.7
Apr35° / 25°7411.312.42.5
May34° / 26°2202212.82.3
Jun32° / 26°24424.2132.3
Jul32° / 25°30526.912.92.4
Aug31° / 25°35728.112.62.4
Sep31° / 25°2722412.12.8
Oct31° / 23°8810.711.64.3
Nov31° / 21°192.911.25.6
Dec29° / 18°61.1117.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57723
67723
77723
87723
97723
107723
117822
127822
137822
148020
158020
168119
178119
188317
198317
208416
218416
228416
238515
248515
258515
268416
278416
288416
298416
308218
318218

Chance of precipitation in December

Any precipitation

Sawang Daen Din gets around 6 mm of rain over 1.1 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 (%)
14
24
34
44
54
64
74
84
94
104
114
124
133
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
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 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1121731328
2121831317
3131932307
4132032296
5142132285
6142232275
7152331264
8162431254
9162531244
10172630233
11182730233
12192729222
13212728222
14222827222
15232827212
16242826212
17252725211
18252725211
19262725201
20272725201
21272725191
22282726181
23282726171
24282727161
25282728161
26282729151
27272730141
28262732141
29262833131
30252834131
31242835131

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
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:25 AM to 6:40 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)
111.06:255:27
211.06:265:27
311.06:265:27
411.06:275:27
511.06:275:28
611.06:285:28
711.06:295:28
811.06:295:28
911.06:305:29
1011.06:305:29
1111.06:315:29
1211.06:315:30
1311.06:325:30
1411.06:325:30
1511.06:335:31
1611.06:345:31
1711.06:345:32
1811.06:355:32
1911.06:355:32
2011.06:365:33
2111.06:365:33
2211.06:375:34
2311.06:375:34
2411.06:375:35
2511.06:385:35
2611.06:385:36
2711.06:395:36
2811.06:395:37
2911.06:405:37
3011.06:405:38
3111.06:405:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.07 kWh/m² in April across the year — December's 4.6 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
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
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 Sawang Daen Din

In seasonPeak

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

Sawang Daen Din'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 Sawang Daen Din?

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
8.8
Beach & pool
1st-best month of the year

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

What to pack for Sawang Daen Din in December

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

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

light clothessun protection

UV index in Sawang Daen Din 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 Sawang Daen Din peaks around July 17 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 highJul 17UV 13Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Sawang Daen Din 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 Sawang Daen Din is worst in March — around 54 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1853 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb39Poor
Mar54Poor
Apr43Poor
May30Moderate
Jun24Moderate
Jul23Moderate
Aug24Moderate
Sep24Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Sawang Daen Din?

Sawang Daen Din sits at 17.5°N, 103.5°E, 169 m above sea level, in Thailand. The nearest listed city is Warichaphum, 28 km away.

Topography around Sawang Daen Din

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

Within 3 km, the terrain around Sawang Daen Din has only modest variations in elevation — a maximum elevation change of 44 m around an average of 172 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.

The land around Sawang Daen Din is covered by trees (40%) and cropland (34%) within 3 km, cropland (58%) and trees (33%) within 16 km, and cropland (58%) and trees (36%) within 80 km.

3 km
44 m
16 km
79 m
80 km
523 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Warichaphum 28 km · Ban Dung 33 km · Ban Nong Wua So 34 km · Ban Phan Don 63 km · Phon Charoen 69 km · Udon Thani 72 km · Seka 73 km · Sakon Nakhon 81 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 Sawang Daen Din (17.4753°, 103.4575°, elevation 169 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).