Surin weather in January

In January, Surin sees average daytime highs of 31°C and overnight lows near 19°C, with 6 mm of rain across 1.6 wet days and about 11.2 hours of daylight. It is the 10th-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 58% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Surin's 2nd-clearest and 6th-windiest month. For the whole year in context, see Surin's year-round climate.

Daytime high
31°
10th warmest
Overnight low
19°
1st coldest
Rainfall
6 mm
1.6 wet days
Daylight
11 h 12 min
6:39 AM – 5:52 PM
Cloud cover
38%
2nd clearest
Wind
10 km/h
6th windiest
Solar energy
5.09 kWh/m²
Travel score
5.6
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Surin reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273219
283219
293219
303219
313219

How January really feels in Surin

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 10th-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57129
67129
77129
87030
97030
107030
117129
127129
137129
147129
157228
167327
177327
187426
197525
207624
217624
227822
237822
247921
257921
268020
278119
288119
298119
308218
318317

Chance of precipitation in January

Any precipitation

Surin gets around 6 mm of rain over 1.6 wet days in January, 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 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
25
35
45
55
65
75
85
95
105
116
126
136
146
156
166
175
185
195
205
215
225
236
246
256
266
276
286
295
305
315

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 37% 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 (%)
192436293
292336283
382337283
482338284
582338284
682238284
782238285
882238275
982238275
1082238276
1182238276
1282238266
1382238267
1482238267
1582238267
1682238267
1782237267
1882137267
1982137267
2082137277
2182237277
2282236277
2382236277
2482236277
2582235277
2692235277
2792234278
2892234278
29102333268
30102333268
31102432269

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 06 min at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:35 AM to 6:39 AM, and sunset from 5:43 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:355:43
211.16:365:44
311.16:365:44
411.16:365:45
511.16:375:45
611.26:375:46
711.26:375:46
811.26:375:47
911.26:385:48
1011.26:385:48
1111.26:385:49
1211.26:385:49
1311.26:395:50
1411.26:395:50
1511.26:395:51
1611.26:395:52
1711.26:395:52
1811.26:395:53
1911.26:395:53
2011.26:405:54
2111.26:405:54
2211.36:405:55
2311.36:405:55
2411.36:405:56
2511.36:405:56
2611.36:405:57
2711.36:405:57
2811.36:405:58
2911.36:395:58
3011.36:395:59
3111.36:395:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.09 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 — January's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.4Bright
Planning a trip in January

Hazard calendar for Surin

In seasonPeak

None of Surin's seasonal hazards are active in January. 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 January a good time to visit Surin?

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

5.6
Sightseeing
2nd-best month of the year
8.2
Beach & pool
2nd-best month of the year

January 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 January

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

In January, Surin sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Surin in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).