Ban Selaphum weather in December

In December, Ban Selaphum sees average daytime highs of 30°C and overnight lows near 19°C, with 5 mm of rain across 1.3 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Ban Selaphum's 3rd-clearest and 1st-windiest month. For the whole year in context, see Ban Selaphum's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
5 mm
1.3 wet days
Daylight
11 h 06 min
6:29 AM – 5:32 PM
Cloud cover
40%
3rd clearest
Wind
14 km/h
1st windiest
Solar energy
4.7 kWh/m²
Travel score
6.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Ban Selaphum reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63020
73020
83020
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303018
313018

How December really feels in Ban Selaphum

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 Selaphum 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° / 18°61.611.25.9
Feb33° / 20°112.211.54.6
Mar35° / 24°366.411.93.0
Apr36° / 26°6911.912.32.1
May34° / 26°18321.712.72.0
Jun33° / 26°18422.312.92.2
Jul32° / 26°22424.312.92.4
Aug32° / 25°2582612.52.5
Sep31° / 25°25924.812.12.7
Oct31° / 24°1081211.64.1
Nov31° / 22°233.611.35.1
Dec30° / 19°51.311.16.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
66931
76931
87030
97030
107030
117129
127129
137228
147327
157426
167525
177624
187624
197723
207822
217822
227822
237921
247921
258020
268020
278020
287921
297921
307822
317822

Chance of precipitation in December

Any precipitation

Ban Selaphum gets around 5 mm of rain over 1.3 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 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
25
35
45
55
65
75
85
95
105
115
125
135
144
154
164
174
184
193
203
213
223
233
243
253
263
273
283
293
303
313

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14143037131
24153136131
35163235121
45163334111
55173433100
6618353290
7618353290
8619363180
9720363070
10820363060
11821362960
12921352950
131022352840
141122342840
151223342840
161323332830
171423322730
181523322730
191624312630
201724312630
211724312520
221825312420
231825322420
241825322320
251825332310
261825342210
271725342210
281725352210
291625362110
301525372110
311525382110

Wind in December

Winds average 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 h 06 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 6:20 AM to 6:36 AM, and sunset from 5:27 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:205:27
211.16:215:28
311.16:225:28
411.16:225:28
511.16:235:28
611.16:235:29
711.16:245:29
811.16:245:29
911.16:255:29
1011.16:265:30
1111.16:265:30
1211.16:275:30
1311.16:275:31
1411.16:285:31
1511.16:285:32
1611.16:295:32
1711.16:295:32
1811.06:305:33
1911.06:305:33
2011.06:315:34
2111.06:315:34
2211.06:325:35
2311.06:325:35
2411.06:335:36
2511.06:335:36
2611.06:345:37
2711.16:345:37
2811.16:345:38
2911.16:355:38
3011.16:355:39
3111.16:365:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.7 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.14 kWh/m² in April across the year — December's 4.7 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
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 Ban Selaphum

In seasonPeak

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

Ban Selaphum'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 Ban Selaphum?

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

6.2
Sightseeing
1st-best month of the year
8.5
Beach & pool
1st-best month of the year

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

What to pack for Ban Selaphum in December

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

In December, Ban Selaphum sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Ban Selaphum in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ban Selaphum peaks around August 10 at about 13 (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 10UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Ban Selaphum 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 Selaphum is worst in March — around 53 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (December, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1851 µg/m³Dec 1316 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb36Poor
Mar53Poor
Apr41Poor
May29Moderate
Jun23Moderate
Jul24Moderate
Aug25Moderate
Sep27Moderate
Oct24Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Ban Selaphum?

Ban Selaphum sits at 16.0°N, 104.0°E, 133 m above sea level, in Thailand. The nearest listed city is Roi Et, 32 km away.

Topography around Ban Selaphum

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

Within 3 km, the terrain around Ban Selaphum has only modest variations in elevation — a maximum elevation change of 47 m around an average of 136 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, significant variations in elevation — a maximum elevation change of 471 m.

The land around Ban Selaphum is covered by cropland (62%) and trees (20%) within 3 km, cropland (74%) within 16 km, and cropland (73%) and trees (22%) within 80 km.

3 km
47 m
16 km
53 m
80 km
471 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Roi Et 32 km · Yasothon 32 km · Kamalasai 54 km · Kaset Wisai 56 km · Kuchinarai 59 km · Kalasin 66 km · Maha Sarakham 72 km · Amnat Charoen 75 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 Selaphum (16.0167°, 103.95°, elevation 133 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).