Ban Ko Sire weather in December

In December, Ban Ko Sire sees average daytime highs of 28°C and overnight lows near 26°C, with 81 mm of rain across 11.4 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Ban Ko Sire's 5th-clearest and 4th-windiest month. For the whole year in context, see Ban Ko Sire's year-round climate.

Daytime high
28°
8th warmest
Overnight low
26°
2nd coldest
Rainfall
81 mm
11.4 wet days
Daylight
11 h 30 min
6:36 AM – 6:09 PM
Cloud cover
69%
5th clearest
Wind
17 km/h
4th windiest
Solar energy
4.93 kWh/m²
Travel score
5.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Ban Ko Sire reaches about 28°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How December really feels in Ban Ko Sire

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.

Ban Ko Sire weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°456.911.66.2
Feb29° / 26°193.911.76.5
Mar29° / 27°7810.411.95.6
Apr29° / 27°12517.912.24.4
May29° / 27°26625.112.43.5
Jun29° / 27°25722.612.43.7
Jul28° / 27°25323.512.43.8
Aug28° / 26°27623.712.33.9
Sep28° / 26°31124.9123.9
Oct28° / 26°30627.311.83.7
Nov28° / 26°18420.311.64.5
Dec28° / 26°8111.411.55.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33268
43466
53466
63466
73565
83565
93565
103664
113763
123763
133763
143763
153763
163763
173763
183862
193862
203862
213961
223961
234060
244060
254159
264060
274159
284159
294258
304258
314258

Chance of precipitation in December

Any precipitation

Ban Ko Sire gets around 81 mm of rain over 11.4 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 37% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
252
350
449
548
647
746
845
943
1042
1141
1239
1338
1437
1536
1635
1734
1833
1932
2031
2130
2229
2329
2428
2527
2627
2727
2826
2926
3026
3126

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1038611
2038611
3038611
4038611
5048610
6048610
704879
804879
904888
1004888
1104897
1204897
1304906
1405896
1505905
1605905
1706904
1806904
1907903
2007903
2108893
2218883
2319873
24110872
25110872
26111862
27111862
28111862
29112852
30112852
31112852

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 36 min at the start of December to 11 h 30 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 6:29 AM to 6:43 AM, and sunset from 6:03 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:296:03
211.66:296:04
311.66:306:04
411.66:306:04
511.66:316:04
611.66:316:05
711.66:326:05
811.66:326:06
911.66:336:06
1011.66:336:06
1111.66:346:07
1211.56:346:07
1311.56:356:07
1411.56:356:08
1511.56:366:08
1611.56:366:09
1711.56:376:09
1811.56:376:10
1911.56:386:10
2011.56:386:11
2111.56:396:11
2211.56:396:11
2311.56:406:12
2411.56:406:12
2511.56:406:13
2611.56:416:13
2711.56:416:14
2811.56:426:14
2911.56:426:15
3011.56:436:15
3111.56:436:16

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 4.65 kWh/m² to a high of 6.42 kWh/m² in March across the year — December's 4.93 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Ban Ko Sire

In seasonPeak

In December, Ban Ko Sire sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Ban Ko Sire sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Ban Ko Sire's rainy season runs May–November, when most of the year's rain falls.

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

Is December a good time to visit Ban Ko Sire?

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

5.6
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Ban Ko Sire in December

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

In December, Ban Ko Sire sees daytime highs around 28°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Ban Ko Sire in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in May at about 30°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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ban Ko Sire in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ban Ko Sire peaks around August 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeAug 23UV 13Nov 23UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Ban Ko Sire 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 Ban Ko Sire is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2216 µg/m³Nov 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May12Moderate
Jun13Moderate
Jul13Moderate
Aug11Good
Sep12Good
Oct11Good
Nov11Good
Dec12Good
Location & terrain

Where is Ban Ko Sire?

Ban Ko Sire sits at 7.9°N, 98.4°E, 15 m above sea level, in Thailand. The nearest listed city is Ban Talat Yai, 3.0 km away.

Topography around Ban Ko Sire

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

Within 3 km, the terrain around Ban Ko Sire has only modest variations in elevation — a maximum elevation change of 192 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 537 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Ban Ko Sire is covered by water (51%) and trees (23%) within 3 km, water (65%) and trees (23%) within 16 km, and water (72%) and trees (24%) within 80 km.

3 km
192 m
16 km
537 m
80 km
1,369 m
treesgrasslandartificial surfaceswatermangroves
December weather nearby: Ban Talat Yai 3.0 km · Phuket 3.0 km · Ban Ratsada 4.0 km · Ban Talat Nua 4.0 km · Wichit 4.0 km · Ban Chalong 11 km · Kathu 11 km · Ban Kamala 17 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 Ban Ko Sire (7.8875°, 98.4257°, elevation 15 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).