Bo Phloi weather in December

In December, Bo Phloi sees average daytime highs of 31°C and overnight lows near 21°C, with 9 mm of rain across 1.8 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 44% of the time in December, and the air most often feels muggy.

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

Daytime high
31°
12th warmest
Overnight low
21°
2nd coldest
Rainfall
9 mm
1.8 wet days
Daylight
11 h 12 min
6:43 AM – 5:53 PM
Cloud cover
47%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
4.76 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 31°C through the month.

A typical December day in Bo Phloi reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°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 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
113122
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Bo Phloi

Once humidity and wind are folded in, December averages 7 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
7
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.

Bo Phloi 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
Jan32° / 21°142.511.25.1
Feb34° / 22°142.811.53.7
Mar36° / 24°417.411.92.3
Apr37° / 26°8213.812.31.6
May35° / 26°13521.512.71.8
Jun33° / 26°12921.312.82.2
Jul32° / 25°16122.612.82.6
Aug32° / 25°1572312.52.7
Sep32° / 25°21224.312.12.5
Oct31° / 24°1702011.73.4
Nov31° / 23°366.111.34.8
Dec31° / 21°91.811.25.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
66040
76040
86139
96139
106139
116139
126238
136337
146436
156535
166535
176733
186733
196931
206931
216931
227030
237030
247129
257129
267129
277129
287129
297129
307030
317030

Chance of precipitation in December

Any precipitation

Bo Phloi gets around 9 mm of rain over 1.8 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 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
210
310
49
59
68
78
88
97
107
116
126
135
145
154
164
174
184
194
204
214
224
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 33% 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 (%)Miserable (%)
1392140261
2392240251
3392339241
43102439221
54102539211
64102638201
74112738191
84112837181
94122937171
104123036171
115133036161
125143035150
136153035140
147163034140
157172933130
168172933130
179182932120
189192831120
1910202830120
2011202830110
2111212829110
2212212729110
2312222729100
2412222728100
251223272890
261223282990
271223282990
281223282980
291123283090
301022283090
311022293090

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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 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 grow by about 0 minutes over December. Sunrise moves from 6:35 AM to 6:50 AM, and sunset from 5:48 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:355:48
211.26:365:48
311.26:365:49
411.26:375:49
511.26:375:49
611.26:385:49
711.26:395:50
811.26:395:50
911.26:405:50
1011.26:405:51
1111.26:415:51
1211.26:415:51
1311.26:425:52
1411.26:425:52
1511.26:435:52
1611.26:435:53
1711.26:445:53
1811.26:445:54
1911.26:455:54
2011.26:455:55
2111.26:465:55
2211.26:465:55
2311.26:475:56
2411.26:475:56
2511.26:485:57
2611.26:485:57
2711.26:495:58
2811.26:495:58
2911.26:495:59
3011.26:505:59
3111.26:506:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.76 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.26 kWh/m² in April across the year — December's 4.76 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Bo Phloi

In seasonPeak

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

Bo Phloi'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 Bo Phloi?

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
8.1
Beach & pool
1st-best month of the year

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

What to pack for Bo Phloi in December

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

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

light clothessun protection

UV index in Bo Phloi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bo Phloi peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 16UV 14Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar13Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Bo Phloi 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 Bo Phloi is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (June, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1356 µg/m³Jun 2221 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb53Poor
Mar57Unhealthy
Apr43Poor
May30Moderate
Jun21Moderate
Jul22Moderate
Aug22Moderate
Sep26Moderate
Oct33Moderate
Nov32Moderate
Dec33Moderate
Location & terrain

Where is Bo Phloi?

Bo Phloi sits at 14.3°N, 99.5°E, 96 m above sea level, in Thailand. The nearest listed city is Kanchanaburi, 36 km away.

Topography around Bo Phloi

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

Within 3 km, the terrain around Bo Phloi has only modest variations in elevation — a maximum elevation change of 244 m around an average of 104 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 574 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,266 m.

The land around Bo Phloi is covered by trees (50%) and grassland (20%) within 3 km, cropland (55%) and trees (31%) within 16 km, and trees (47%) and cropland (44%) within 80 km.

3 km
244 m
16 km
574 m
80 km
1,266 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kanchanaburi 36 km · Tha Muang 43 km · Tha Maka 55 km · Suphan Buri 67 km · Ban Pong 69 km · Bang Len 78 km · Chom Bueng 79 km · Photharam 79 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 Bo Phloi (14.3252°, 99.5147°, elevation 96 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).