Surin weather in December

In December, Surin sees average daytime highs of 30°C and overnight lows near 19°C, with 7 mm of rain across 1.8 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 11th-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 45% 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 06 min by month's end. Set against the rest of the year, December is Surin's 4th-clearest and 1st-windiest month. For the whole year in context, see Surin's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
7 mm
1.8 wet days
Daylight
11 h 06 min
6:28 AM – 5:36 PM
Cloud cover
46%
4th clearest
Wind
13 km/h
1st windiest
Solar energy
4.74 kWh/m²
Travel score
6.0
out of 10

Surin is town in Surin province, Thailand.

Density
4,098/km²
people per km²

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 30°C through the month.

A typical December day in Surin 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 27°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33120
43120
53020
63020
73020
83020
93020
103020
113020
123020
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273018
283018
293018
303018
313019

How December really feels in Surin

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.

Surin weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°61.611.25.6
Feb33° / 21°112.311.54.2
Mar35° / 24°346.111.92.6
Apr36° / 26°7111.612.31.9
May35° / 26°15120.512.71.9
Jun34° / 26°13920.312.92.1
Jul33° / 26°17322.712.82.3
Aug32° / 25°21224.312.52.4
Sep32° / 25°2632512.12.6
Oct31° / 24°12915.311.73.8
Nov31° / 22°334.711.35.1
Dec30° / 19°71.811.16.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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
56040
66139
76139
86139
96238
106238
116337
126337
136436
146535
156634
166733
176832
186832
196931
207030
217030
227030
237129
247129
257327
267228
277228
287228
297228
307327
317228

Chance of precipitation in December

Any precipitation

Surin gets around 7 mm of rain over 1.8 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 6% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
87
97
107
117
127
137
146
156
166
176
186
196
205
215
225
235
244
254
264
274
284
294
304
314

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12112542191
22112742171
33122741161
43122841151
53132840151
63132940141
73143039131
84143139121
94153138120
104153138110
115163137100
126173137100
13618303690
14718303690
15819293590
16920293580
171020283480
181021283380
191121283270
201222283270
211223283160
221323283060
231324283050
241324292950
251324302940
261324302840
271224322930
281224322830
291124332830
301124342930
311024352930

Wind in December

Winds average 13 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2912calm
3012calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 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 shrink by about 6 minutes over December. Sunrise moves from 6:20 AM to 6:35 AM, and sunset from 5:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:205:31
211.26:215:31
311.26:215:32
411.26:225:32
511.26:235:32
611.26:235:32
711.26:245:33
811.16:245:33
911.16:255:33
1011.16:255:34
1111.16:265:34
1211.16:265:34
1311.16:275:35
1411.16:275:35
1511.16:285:35
1611.16:285:36
1711.16:295:36
1811.16:305:37
1911.16:305:37
2011.16:315:38
2111.16:315:38
2211.16:315:39
2311.16:325:39
2411.16:325:39
2511.16:335:40
2611.16:335:40
2711.16:345:41
2811.16:345:42
2911.16:355:42
3011.16:355:43
3111.16:355:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.74 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.13 kWh/m² in April across the year — December's 4.74 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
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Surin

In seasonPeak

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

Surin'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 Surin?

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

6.0
Sightseeing
1st-best month of the year
8.3
Beach & pool
1st-best month of the year

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

What to pack for Surin in December

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

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

light clothessun protection

UV index in Surin 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 Surin peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 13UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Surin 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 Surin is worst in March — around 54 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (June, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1452 µg/m³Jun 2121 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb47Poor
Mar54Poor
Apr40Poor
May28Moderate
Jun21Moderate
Jul23Moderate
Aug23Moderate
Sep27Moderate
Oct30Moderate
Nov25Moderate
Dec22Moderate
Location & terrain

Where is Surin?

Surin sits at 14.9°N, 103.5°E, 150 m above sea level, in Thailand. The nearest listed city is Buri Ram, 44 km away.

Ban Huai ThalaengSi Sa KetAnlong Veaeng

Topography around Surin

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

Within 3 km, the terrain around Surin has only modest variations in elevation — a maximum elevation change of 31 m around an average of 148 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 501 m.

The land around Surin is covered by trees (37%) and artificial surfaces (35%) within 3 km, cropland (68%) and trees (20%) within 16 km, and cropland (76%) within 80 km.

3 km
31 m
16 km
53 m
80 km
501 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Buri Ram 44 km · Prakhon Chai 50 km · Samraong 78 km · Nang Rong 80 km · Kaset Wisai 87 km · Ban Huai Thalaeng 91 km · Si Sa Ket 93 km · Anlong Veaeng 96 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 Surin (14.8818°, 103.4936°, elevation 150 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).