Warichaphum weather in January

In January, Warichaphum sees average daytime highs of 29°C and overnight lows near 17°C, with 8 mm of rain across 1.7 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 29°C through the month. The sky is clear or mostly clear about 65% 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 Warichaphum's 2nd-clearest and 1st-windiest month. For the whole year in context, see Warichaphum's year-round climate.

Daytime high
29°
11th warmest
Overnight low
17°
1st coldest
Rainfall
8 mm
1.7 wet days
Daylight
11 h 06 min
6:43 AM – 5:47 PM
Cloud cover
33%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
4.87 kWh/m²
Travel score
7.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Warichaphum reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292917
302918
312918

How January really feels in Warichaphum

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.

Warichaphum 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
Jan29° / 17°81.711.17.1
Feb31° / 19°162.711.45.7
Mar33° / 22°436.111.94.0
Apr34° / 25°7811.612.42.9
May33° / 26°21021.612.82.5
Jun32° / 26°20422.8132.5
Jul31° / 26°27425.512.92.6
Aug31° / 25°32427.512.62.6
Sep31° / 25°26023.512.12.9
Oct31° / 23°9010.511.64.6
Nov30° / 20°202.811.26.2
Dec28° / 17°61.2117.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28020
38020
48020
57921
67921
77921
87723
97723
107723
117723
127723
137723
147822
157822
168020
178020
188119
198119
208218
218317
228317
238218
248416
258416
268416
278416
288416
298416
308416
318416

Chance of precipitation in January

Any precipitation

Warichaphum gets around 8 mm of rain over 1.7 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 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
84
95
105
115
125
135
145
155
165
176
186
196
206
216
226
237
247
257
267
277
287
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 35% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192635181
2192636181
3182736182
4182736182
5172736182
6172736182
7172736182
8172735183
9172635183
10172635183
11172735183
12172735183
13172735184
14172735184
15172735174
16172735174
17162736174
18162736174
19162736174
20162736164
21162836164
22162836164
23162836174
24162835174
25162835174
26162834184
27162834184
28162833194
29172832194
30172832204
31172831204

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
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 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 6:39 AM to 6:42 AM, and sunset from 5:38 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:395:38
211.06:395:39
311.06:405:39
411.06:405:40
511.06:405:40
611.06:415:41
711.06:415:42
811.06:415:42
911.06:415:43
1011.06:425:43
1111.06:425:44
1211.06:425:44
1311.06:425:45
1411.16:425:46
1511.16:435:46
1611.16:435:47
1711.16:435:47
1811.16:435:48
1911.16:435:49
2011.16:435:49
2111.16:435:50
2211.16:435:50
2311.16:435:51
2411.16:435:52
2511.26:435:52
2611.26:435:53
2711.26:435:53
2811.26:435:54
2911.26:425:54
3011.26:425:55
3111.26:425:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.87 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.04 kWh/m² in April across the year — January's 4.87 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in January

Hazard calendar for Warichaphum

In seasonPeak

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

Warichaphum'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 January a good time to visit Warichaphum?

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

7.1
Sightseeing
2nd-best month of the year
8.8
Beach & pool
1st-best month of the year

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

What to pack for Warichaphum in January

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

In January, Warichaphum sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Warichaphum 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 Warichaphum peaks around August 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Warichaphum 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 Warichaphum is worst in March — around 54 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1853 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb39Poor
Mar54Poor
Apr43Poor
May30Moderate
Jun24Moderate
Jul23Moderate
Aug24Moderate
Sep24Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Warichaphum?

Warichaphum sits at 17.3°N, 103.6°E, 181 m above sea level, in Thailand. The nearest listed city is Sawang Daen Din, 28 km away.

Topography around Warichaphum

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

Within 3 km, the terrain around Warichaphum has only modest variations in elevation — a maximum elevation change of 32 m around an average of 179 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, significant variations in elevation — a maximum elevation change of 524 m.

The land around Warichaphum is covered by cropland (66%) and trees (27%) within 3 km, cropland (44%) and trees (43%) within 16 km, and cropland (59%) and trees (35%) within 80 km.

3 km
32 m
16 km
510 m
80 km
524 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Sawang Daen Din 28 km · Ban Nong Wua So 44 km · Sakon Nakhon 56 km · Ban Dung 60 km · Ban Phan Don 73 km · Seka 78 km · Nong Kung Si 80 km · Khao Wong 82 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 Warichaphum (17.2941°, 103.6382°, elevation 181 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).