Uthai Thani weather in January

In January, Uthai Thani sees average daytime highs of 33°C and overnight lows near 21°C, with 11 mm of rain across 2.1 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 33°C by the end. The sky is clear or mostly clear about 61% 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 Uthai Thani's 2nd-clearest and 10th-windiest month. For the whole year in context, see Uthai Thani's year-round climate.

Daytime high
33°
9th warmest
Overnight low
21°
1st coldest
Rainfall
11 mm
2.1 wet days
Daylight
11 h 12 min
6:54 AM – 6:05 PM
Cloud cover
37%
2nd clearest
Wind
6 km/h
10th windiest
Solar energy
4.95 kWh/m²
Travel score
4.7
out of 10

Uthai Thani is town in Uthai Thani 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

Highs climb over the month, from about 32°C in the first days to 33°C by the end.

A typical January day in Uthai Thani reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°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°40°151015202531
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153221
163321
173321
183321
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321
313321

How January really feels in Uthai Thani

Once humidity and wind are folded in, January averages 31 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
31
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.

Uthai Thani weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°112.111.24.7
Feb35° / 22°122.111.53.2
Mar37° / 25°406.811.91.8
Apr38° / 27°7212.412.31.1
May36° / 27°15821.912.71.3
Jun35° / 27°13823.712.91.5
Jul35° / 27°14923.112.81.7
Aug34° / 26°19525.112.51.9
Sep33° / 26°26925.912.12.0
Oct32° / 25°17918.811.73.0
Nov32° / 23°315.311.34.4
Dec31° / 21°101.611.15.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% 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 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27228
37228
47228
57228
67129
77129
87129
97228
107228
117228
127228
137327
147327
157426
167525
177624
187723
197822
207822
217921
227921
238119
248119
258119
268218
278218
288317
298317
308416
318416

Chance of precipitation in January

Any precipitation

Uthai Thani gets around 11 mm of rain over 2.1 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 (%)
15
26
36
46
56
66
77
87
97
107
117
127
137
147
157
166
176
186
196
207
217
227
237
247
257
267
277
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 33% 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 (%)
15133334140
25133435140
35123435150
44113535150
54113534160
64113534160
74103534170
83103534180
93103534180
103103534180
113103533190
123103533190
133103533190
143103533190
153103533190
163103533200
173103432200
183103432200
194103432200
204103432201
214103332211
224103331211
234103331211
244103231221
255103130221
265103130231
275113030231
285112930241
295122830241
306122730241
316132630241

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

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 6:50 AM to 6:54 AM, and sunset from 5:56 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:505:56
211.16:505:57
311.16:515:57
411.16:515:58
511.16:515:58
611.16:525:59
711.16:525:59
811.16:526:00
911.16:526:01
1011.16:536:01
1111.16:536:02
1211.26:536:02
1311.26:536:03
1411.26:546:03
1511.26:546:04
1611.26:546:05
1711.26:546:05
1811.26:546:06
1911.26:546:06
2011.26:546:07
2111.26:546:07
2211.26:546:08
2311.26:546:08
2411.26:546:09
2511.36:546:10
2611.36:546:10
2711.36:546:11
2811.36:546:11
2911.36:546:12
3011.36:546:12
3111.36:546:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.27 kWh/m² in April across the year — January's 4.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.3Bright
Planning a trip in January

Hazard calendar for Uthai Thani

In seasonPeak

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

Uthai Thani'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 Uthai Thani?

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

4.7
Sightseeing
2nd-best month of the year
7.8
Beach & pool
2nd-best month of the year

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

What to pack for Uthai Thani in January

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

In January, Uthai Thani sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Uthai Thani 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 Uthai Thani peaks around August 15 at about 14 (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 15UV 14Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Uthai Thani 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 Uthai Thani is worst in March — around 59 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1657 µg/m³Jun 2118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb47Poor
Mar59Unhealthy
Apr44Poor
May27Moderate
Jun18Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct29Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Uthai Thani?

Uthai Thani sits at 15.4°N, 100.0°E, 28 m above sea level, in Thailand. The nearest listed city is Thap Than, 17 km away.

Topography around Uthai Thani

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

Within 3 km, the terrain around Uthai Thani has only modest variations in elevation — a maximum elevation change of 141 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Uthai Thani is covered by trees (36%) and cropland (36%) within 3 km, cropland (69%) and trees (20%) within 16 km, and cropland (79%) within 80 km.

3 km
141 m
16 km
222 m
80 km
1,533 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Thap Than 17 km · Chai Nat 24 km · Nakhon Sawan 38 km · Lat Yao 48 km · Bang Racham 63 km · Sing Buri 68 km · Khanu Woralaksaburi 78 km · Bang Mun Nak 81 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 Uthai Thani (15.3794°, 100.0245°, elevation 28 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).