Wang Saphung weather in January

In January, Wang Saphung sees average daytime highs of 28°C and overnight lows near 16°C, with 13 mm of rain across 2.2 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Wang Saphung's 2nd-clearest and 4th-windiest month. For the whole year in context, see Wang Saphung's year-round climate.

Daytime high
28°
11th warmest
Overnight low
16°
1st coldest
Rainfall
13 mm
2.2 wet days
Daylight
11 h 06 min
6:50 AM – 5:54 PM
Cloud cover
38%
2nd clearest
Wind
5 km/h
4th windiest
Solar energy
4.71 kWh/m²
Travel score
7.7
out of 10

Wang Saphung is town in Loei province, Thailand.

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 28°C through the month.

A typical January day in Wang Saphung reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and about 3°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102816
112816
122816
132816
142816
152816
162816
172816
182816
192816
202816
212816
222816
232816
242816
252816
262816
272816
282817
292817
302917
312917

How January really feels in Wang Saphung

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.

Wang Saphung weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°132.211.17.7
Feb30° / 18°18311.46.0
Mar32° / 21°588.911.94.1
Apr33° / 23°10816.112.43.0
May32° / 24°21423.912.82.6
Jun32° / 24°16720.7132.9
Jul31° / 24°18522.212.93.0
Aug30° / 24°25125.112.62.9
Sep30° / 24°25024.412.13.1
Oct29° / 22°12214.411.64.8
Nov28° / 19°253.611.27.1
Dec27° / 17°101.6118.2

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 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67228
77228
87228
97228
107228
117228
127327
137327
147426
157426
167525
177624
187624
197723
207723
217822
227822
237822
247822
257921
267921
277921
287921
298020
308020
318119

Chance of precipitation in January

Any precipitation

Wang Saphung gets around 13 mm of rain over 2.2 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 7% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
28
38
48
58
68
78
88
98
107
117
127
137
147
157
167
177
187
197
207
217
227
237
247
257
267
278
288
298
308
318

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1183136131
2173237131
3173237131
4163338131
5153338121
6153338121
7153338122
8153339122
9153339122
10153339122
11153339122
12153339122
13143339122
14143339122
15143339122
16143339122
17143338132
18133338132
19133338132
20133338142
21133338142
22133337152
23133337152
24133337162
25133237162
26133236162
27133136172
28143136173
29143135173
30153035172
31153035172

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 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 6:47 AM to 6:50 AM, and sunset from 5:46 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:475:46
211.06:475:46
311.06:475:47
411.06:485:47
511.06:485:48
611.06:485:48
711.06:485:49
811.06:495:50
911.06:495:50
1011.06:495:51
1111.06:495:51
1211.06:505:52
1311.06:505:53
1411.16:505:53
1511.16:505:54
1611.16:505:54
1711.16:505:55
1811.16:505:55
1911.16:505:56
2011.16:505:57
2111.16:505:57
2211.16:505:58
2311.16:505:58
2411.16:505:59
2511.26:506:00
2611.26:506:00
2711.26:506:01
2811.26:506:01
2911.26:506:02
3011.26:506:02
3111.26:506:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.71 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.98 kWh/m² in April across the year — January's 4.71 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
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in January

Hazard calendar for Wang Saphung

In seasonPeak

None of Wang Saphung'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 Saphung'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 Wang Saphung?

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

7.7
Sightseeing
2nd-best month of the year
8.4
Beach & pool
1st-best month of the year

January is one of the better times to visit Wang Saphung for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Wang Saphung in January

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

In January, Wang Saphung sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Wang Saphung 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 Saphung peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Wang Saphung 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 Saphung is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (July, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1861 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb45Poor
Mar63Unhealthy
Apr50Poor
May28Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep23Moderate
Oct25Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Wang Saphung?

Wang Saphung sits at 17.3°N, 101.8°E, 254 m above sea level, in Thailand. The nearest listed city is Erawan, 20 km away.

Topography around Wang Saphung

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

Within 3 km, the terrain around Wang Saphung has only modest variations in elevation — a maximum elevation change of 147 m around an average of 260 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 399 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,456 m.

The land around Wang Saphung is covered by trees (47%) and cropland (29%) within 3 km, trees (53%) and cropland (40%) within 16 km, and trees (62%) and cropland (28%) within 80 km.

3 km
147 m
16 km
399 m
80 km
1,456 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Erawan 20 km · Loei 22 km · Na Klang 45 km · Phu Kradueng 48 km · Nam Som 69 km · Nong Bua Lamphu 72 km · Lom Sak 81 km · Kut Chap 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 Saphung (17.301°, 101.7685°, elevation 254 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).