Wang Nam Yen weather in January

In January, Wang Nam Yen sees average daytime highs of 31°C and overnight lows near 21°C, with 17 mm of rain across 3.3 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 11th-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 47% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Wang Nam Yen's 2nd-clearest and 6th-windiest month. For the whole year in context, see Wang Nam Yen's year-round climate.

Daytime high
31°
6th warmest
Overnight low
21°
1st coldest
Rainfall
17 mm
3.3 wet days
Daylight
11 h 18 min
6:42 AM – 5:59 PM
Cloud cover
45%
2nd clearest
Wind
8 km/h
6th windiest
Solar energy
5.12 kWh/m²
Travel score
5.1
out of 10

Wang Nam Yen is town in Sa Kaeo province, Thailand.

Founded
1980

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 Wang Nam Yen 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 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221
313221

How January really feels in Wang Nam Yen

Once humidity and wind are folded in, January averages 24 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
24
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Wang Nam Yen weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°173.311.35.1
Feb33° / 22°244.311.64.1
Mar34° / 24°7111.811.93.0
Apr34° / 25°10617.912.32.4
May33° / 26°17424.612.62.3
Jun32° / 25°17625.112.82.5
Jul31° / 25°20227.412.72.6
Aug31° / 25°21927.612.42.5
Sep31° / 25°2622712.12.6
Oct31° / 24°17519.611.73.5
Nov31° / 23°316.111.44.9
Dec31° / 21°71.711.25.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36535
46535
56535
66535
76535
86436
96436
106436
116436
126436
136436
146535
156535
166535
176535
186634
196634
206733
216733
226832
236931
246931
257030
267228
277228
287327
297327
307426
317525

Chance of precipitation in January

Any precipitation

Wang Nam Yen gets around 17 mm of rain over 3.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
58
68
79
89
910
1011
1111
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2412
2511
2611
2711
2811
2911
3010
3110

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15163432130
25163431141
35163330151
44153430151
54153430161
64153430171
74153330171
84143330181
94143229192
104143229202
114143129202
124143128212
134143028212
145133028222
155132928222
165132828233
175142728243
185142728243
195142628253
205142628253
215142528263
225142527262
235142527272
245142527272
255142526282
265142426292
275152425292
285152424302
295162324302
305162323312
315162223312

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 12 min at the start of January to 11 h 24 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 6:38 AM to 6:43 AM, and sunset from 5:51 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:385:51
211.26:385:51
311.26:395:52
411.26:395:53
511.26:395:53
611.26:405:54
711.26:405:54
811.26:405:55
911.26:415:55
1011.36:415:56
1111.36:415:56
1211.36:415:57
1311.36:415:57
1411.36:425:58
1511.36:425:59
1611.36:425:59
1711.36:426:00
1811.36:426:00
1911.36:426:01
2011.36:436:01
2111.36:436:02
2211.36:436:02
2311.36:436:03
2411.36:436:03
2511.36:436:04
2611.46:436:04
2711.46:436:05
2811.46:436:05
2911.46:436:06
3011.46:436:06
3111.46:436:07

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.93 kWh/m² in April across the year — January's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
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 Wang Nam Yen

In seasonPeak

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

Wang Nam Yen'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 January a good time to visit Wang Nam Yen?

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

5.1
Sightseeing
2nd-best month of the year
7.8
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Wang Nam Yen for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Wang Nam Yen in January

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

In January, Wang Nam Yen sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Wang Nam Yen 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 Wang Nam Yen peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 15UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Wang Nam Yen 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 Wang Nam Yen is worst in February — around 40 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateFeb 1740 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb40Poor
Mar36Poor
Apr28Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep23Moderate
Oct23Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Wang Nam Yen?

Wang Nam Yen sits at 13.5°N, 102.2°E, 104 m above sea level, in Thailand. The nearest listed city is Sa Kaeo, 36 km away.

Topography around Wang Nam Yen

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

Within 3 km, the terrain around Wang Nam Yen has only modest variations in elevation — a maximum elevation change of 80 m around an average of 99 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,590 m.

The land around Wang Nam Yen is covered by trees (44%) and cropland (27%) within 3 km, cropland (52%) and trees (34%) within 16 km, and trees (56%) and cropland (38%) within 80 km.

3 km
80 m
16 km
259 m
80 km
1,590 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Sa Kaeo 36 km · Aranyaprathet 40 km · Poipet 45 km · Ou Bei Choan 67 km · Kabin Buri 71 km · Na Di 80 km · Sisophon 86 km · Pailin 86 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 Wang Nam Yen (13.5048°, 102.1809°, elevation 104 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).