Suphan Buri weather in December

In December, Suphan Buri sees average daytime highs of 32°C and overnight lows near 22°C, with 12 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 32°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 Suphan Buri's 4th-clearest and 2nd-windiest month. For the whole year in context, see Suphan Buri's year-round climate.

Daytime high
32°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
12 mm
1.7 wet days
Daylight
11 h 06 min
6:41 AM – 5:50 PM
Cloud cover
47%
4th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.72 kWh/m²
Travel score
4.8
out of 10

Suphan Buri is town in Suphan Buri province, Thailand.

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 32°C through the month.

A typical December day in Suphan Buri reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°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)
13323
23323
33323
43323
53223
63223
73223
83223
93223
103223
113223
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233221
243221
253221
263221
273221
283221
293221
303221
313221

How December really feels in Suphan Buri

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.

Suphan Buri 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
Jan33° / 22°132.711.24.4
Feb35° / 23°142.611.53.2
Mar37° / 26°427.711.91.9
Apr38° / 27°8313.312.31.1
May36° / 27°14520.712.71.3
Jun35° / 27°12020.412.81.6
Jul34° / 27°12520.812.81.9
Aug34° / 26°1422212.52.0
Sep34° / 26°23624.212.12.0
Oct33° / 25°18219.411.72.9
Nov33° / 24°396.111.33.9
Dec32° / 22°121.711.24.8

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 21% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56139
66139
76139
86238
96238
106337
116238
126337
136436
146436
156535
166634
176634
186733
196832
206832
216931
226931
236931
247030
257030
267030
277129
287030
297030
307030
317030

Chance of precipitation in December

Any precipitation

Suphan Buri gets around 12 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 5% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
39
49
58
68
78
87
97
106
116
125
135
144
154
164
174
184
194
204
214
224
233
243
253
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 32% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1281839258
2381939248
3381939247
4382138237
5392238236
6392337226
7392437225
83102536215
94102635214
104112734204
114122734203
125132833193
135132833183
146142832182
156152831182
167162731172
178172730172
188172730171
199182729161
2010182629161
2110192628161
2211192628151
2311202628151
2411202728141
2511202728140
2611202728130
2711202728130
2811192828130
2910192829140
3010182929140
319182929151

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
1211calm
1311calm
1411calm
1511calm
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 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 6:33 AM to 6:48 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)
111.26:335:45
211.26:345:46
311.26:345:46
411.26:355:46
511.26:355:46
611.26:365:47
711.26:365:47
811.26:375:47
911.26:385:48
1011.26:385:48
1111.26:395:48
1211.26:395:49
1311.26:405:49
1411.26:405:49
1511.26:415:50
1611.16:415:50
1711.16:425:51
1811.16:425:51
1911.16:435:51
2011.16:435:52
2111.16:445:52
2211.16:445:53
2311.16:455:53
2411.16:455:54
2511.16:465:54
2611.16:465:55
2711.16:465:55
2811.16:475:56
2911.26:475:56
3011.26:485:57
3111.26:485:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.72 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.28 kWh/m² in April across the year — December's 4.72 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
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Suphan Buri

In seasonPeak

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

Suphan Buri'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 Suphan Buri?

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

4.8
Sightseeing
1st-best month of the year
7.7
Beach & pool
1st-best month of the year

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

What to pack for Suphan Buri in December

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

In December, Suphan Buri sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Suphan Buri 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 Suphan Buri peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 13Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Suphan Buri 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 Suphan Buri 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 Suphan Buri?

Suphan Buri sits at 14.5°N, 100.1°E, 12 m above sea level, in Thailand. The nearest listed city is Phak Hai, 27 km away.

Topography around Suphan Buri

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

Within 3 km, the terrain around Suphan Buri has only modest variations in elevation — a maximum elevation change of 12 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, large variations in elevation — a maximum elevation change of 663 m.

The land around Suphan Buri is covered by artificial surfaces (35%), trees (30%) and cropland (24%) within 3 km, cropland (70%) within 16 km, and cropland (70%) within 80 km.

3 km
12 m
16 km
25 m
80 km
663 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Phak Hai 27 km · Wiset Chaichan 27 km · Bang Ban 41 km · Bang Len 51 km · Ayutthaya 51 km · Bang Racham 51 km · Nakhon Luang 52 km · Sing Buri 55 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 Suphan Buri (14.4742°, 100.1222°, elevation 12 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).