Pattaya weather in December

In December, Pattaya sees average daytime highs of 31°C and overnight lows near 23°C, with 14 mm of rain across 3.2 wet days and about 11.3 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 39% 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 Pattaya's 4th-clearest and 4th-windiest month. For the whole year in context, see Pattaya's year-round climate.

Daytime high
31°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
14 mm
3.2 wet days
Daylight
11 h 12 min
6:35 AM – 5:50 PM
Cloud cover
53%
4th clearest
Wind
10 km/h
4th windiest
Solar energy
4.93 kWh/m²
Travel score
5.4
out of 10

Pattaya is city in Chon Buri province, Thailand.

Density
5,244/km²
people per km²
Founded
1978

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 Pattaya reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Pattaya

Once humidity and wind are folded in, December averages 31 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
31
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.

Pattaya 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° / 23°275.611.35.1
Feb31° / 24°265.811.64.8
Mar32° / 26°6311.511.94.0
Apr33° / 27°9014.512.33.2
May33° / 27°15222.312.62.6
Jun32° / 27°14222.912.72.6
Jul31° / 27°15424.412.72.7
Aug31° / 27°15324.612.42.7
Sep31° / 26°24225.712.12.6
Oct31° / 25°22123.511.73.1
Nov31° / 24°538.111.44.6
Dec31° / 23°143.211.35.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65644
75644
85743
95743
105743
115743
125842
135842
145941
155941
166040
176040
186040
196040
206139
216238
226238
236238
246238
256337
266337
276337
286436
296436
306436
316436

Chance of precipitation in December

Any precipitation

Pattaya gets around 14 mm of rain over 3.2 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 11% and peaks near 16% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
116
215
315
414
514
614
713
813
913
1012
1112
1211
1311
1410
1510
1610
179
189
199
209
219
228
238
248
258
268
278
288
299
309
3110

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10312303223
20313303122
30313313121
40414323020
50414333019
60414332919
70415342918
80415352817
90516352816
101516352815
111617352715
121617352714
131718342713
141718342713
152819332712
162819322712
172920312711
183920302711
1931020292711
2041021282711
2141021282710
2241021272710
235102227279
245102227279
255102228278
265102228288
27592228287
28592229297
29482129307
30482129317
31472129317

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1611calm
1711calm
1811calm
1911calm
2011calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
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 6:27 AM to 6:42 AM, and sunset from 5:45 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:275:45
211.36:285:45
311.36:285:45
411.36:295:46
511.36:305:46
611.36:305:46
711.36:315:47
811.36:315:47
911.36:325:47
1011.36:325:48
1111.36:335:48
1211.36:335:48
1311.26:345:49
1411.26:345:49
1511.26:355:49
1611.26:355:50
1711.26:365:50
1811.26:365:51
1911.26:375:51
2011.26:375:52
2111.26:385:52
2211.26:385:53
2311.26:395:53
2411.26:395:54
2511.26:405:54
2611.26:405:55
2711.26:415:55
2811.26:415:56
2911.26:415:56
3011.26:425:57
3111.26:425:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.93 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.05 kWh/m² in April across the year — December's 4.93 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Pattaya

In seasonPeak

In December, Pattaya sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Pattaya sits in the Pacific typhoon belt; the season peaks July–October.

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

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

Is December a good time to visit Pattaya?

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

5.4
Sightseeing
1st-best month of the year
7.7
Beach & pool
1st-best month of the year

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

What to pack for Pattaya in December

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

In December, Pattaya sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near Pattaya in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Pattaya 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 Pattaya peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Dec 20UV 9
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Pattaya 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 Pattaya is worst in January — around 39 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (June, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateJan 2439 µg/m³Jun 2017 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb39Poor
Mar29Moderate
Apr26Moderate
May20Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep21Moderate
Oct31Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Pattaya?

Pattaya sits at 12.9°N, 100.9°E, 9 m above sea level, in Thailand. The nearest listed city is Bang Lamung, 14 km away.

Topography around Pattaya

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

Within 3 km, the terrain around Pattaya has only modest variations in elevation — a maximum elevation change of 103 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 293 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Pattaya is covered by artificial surfaces (54%) and water (32%) within 3 km, water (56%) within 16 km, and water (56%) and trees (27%) within 80 km.

3 km
103 m
16 km
293 m
80 km
874 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Bang Lamung 14 km · Ban Talat Bueng 20 km · Si Racha 27 km · Ban Chang 30 km · Sattahip 30 km · Ban Ang Sila 45 km · Ban Bueng 49 km · Chon Buri 49 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 Pattaya (12.9333°, 100.8833°, elevation 9 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).