Chok Chai weather in January

In January, Chok Chai sees average daytime highs of 31°C and overnight lows near 19°C, with 6 mm of rain across 1.3 wet days and about 11.2 hours of daylight. It is the 9th-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 54% 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 Chok Chai's 2nd-clearest and 6th-windiest month. For the whole year in context, see Chok Chai's year-round climate.

Daytime high
31°
9th warmest
Overnight low
19°
1st coldest
Rainfall
6 mm
1.3 wet days
Daylight
11 h 12 min
6:44 AM – 5:57 PM
Cloud cover
40%
2nd clearest
Wind
8 km/h
6th windiest
Solar energy
5.08 kWh/m²
Travel score
5.6
out of 10

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 Chok Chai 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
43019
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273219
283220
293220
303220
313220

How January really feels in Chok Chai

Once humidity and wind are folded in, January averages 2 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
2
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.

Chok Chai 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
Jan31° / 19°61.311.25.6
Feb33° / 21°81.811.54.2
Mar35° / 24°366.411.92.6
Apr36° / 26°6111.812.31.9
May35° / 26°11518.612.72.0
Jun34° / 26°10118.512.92.1
Jul33° / 26°11320.612.82.3
Aug33° / 25°14221.512.52.4
Sep32° / 25°21523.712.12.6
Oct31° / 24°13316.511.73.7
Nov31° / 22°294.811.35.0
Dec30° / 19°51.411.15.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56634
66733
76733
86733
96733
106931
116931
126931
136931
147030
157030
167129
177228
187327
197327
207426
217426
227525
237624
247624
257624
267822
277822
287822
297921
307921
317921

Chance of precipitation in January

Any precipitation

Chok Chai gets around 6 mm of rain over 1.3 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 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
63
73
84
94
104
114
124
134
144
155
165
175
185
195
205
215
225
235
245
255
265
275
285
295
304
314

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 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1112532275
2112533275
3102433275
4102434266
592434266
692435266
792335267
892335267
992335267
1082236268
1182236258
1282236258
1382236259
1482136259
1582136259
1682036269
1782036269
1881937279
1991937269
2091937269
2181937279
2281936279
23819362710
24818362710
25918352810
26918352810
27918342810
281018342810
291018332811
301018322811
311019312911

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
48calm
58calm
68calm
78calm
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 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 6:40 AM to 6:44 AM, and sunset from 5:49 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:405:49
211.16:415:49
311.16:415:50
411.26:415:50
511.26:425:51
611.26:425:51
711.26:425:52
811.26:425:53
911.26:435:53
1011.26:435:54
1111.26:435:54
1211.26:435:55
1311.26:445:55
1411.26:445:56
1511.26:445:57
1611.26:445:57
1711.26:445:58
1811.26:445:58
1911.26:455:59
2011.26:455:59
2111.36:456:00
2211.36:456:00
2311.36:456:01
2411.36:456:01
2511.36:456:02
2611.36:456:02
2711.36:456:03
2811.36:456:03
2911.36:456:04
3011.36:446:04
3111.36:446:05

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.03 kWh/m² in April across the year — January's 5.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Chok Chai

In seasonPeak

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

Chok Chai'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 Chok Chai?

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
1st-best month of the year

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

What to pack for Chok Chai in January

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

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

light clothessun protection

UV index in Chok Chai 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 Chok Chai peaks around August 13 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 highExtremeExtremeVery highAug 13UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May10Very high
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Chok Chai 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 Chok Chai is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (June, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1346 µg/m³Jun 2222 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb43Poor
Mar47Poor
Apr37Poor
May28Moderate
Jun22Moderate
Jul23Moderate
Aug24Moderate
Sep27Moderate
Oct29Moderate
Nov25Moderate
Dec24Moderate
Location & terrain

Where is Chok Chai?

Chok Chai sits at 14.7°N, 102.2°E, 195 m above sea level, in Thailand. The nearest listed city is Khon Buri, 24 km away.

Topography around Chok Chai

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

Within 3 km, the terrain around Chok Chai has only modest variations in elevation — a maximum elevation change of 24 m around an average of 190 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,289 m.

The land around Chok Chai is covered by cropland (59%) and trees (23%) within 3 km, cropland (74%) within 16 km, and cropland (59%) and trees (36%) within 80 km.

3 km
24 m
16 km
129 m
80 km
1,289 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Khon Buri 24 km · Nakhon Ratchasima 28 km · Non Sung 51 km · Amphoe Sikhiu 53 km · Ban Huai Thalaeng 59 km · Nang Rong 68 km · Dan Khun Thot 68 km · Na Di 80 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 Chok Chai (14.7284°, 102.1652°, elevation 195 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).