Khon Kaen weather in January

In January, Khon Kaen sees average daytime highs of 30°C and overnight lows near 18°C, with 7 mm of rain across 1.6 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 30°C through the month. The sky is clear or mostly clear about 62% 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 18 min by month's end. Set against the rest of the year, January is Khon Kaen's 2nd-clearest and 6th-windiest month. For the whole year in context, see Khon Kaen's year-round climate.

Daytime high
30°
11th warmest
Overnight low
18°
1st coldest
Rainfall
7 mm
1.6 wet days
Daylight
11 h 06 min
6:44 AM – 5:52 PM
Cloud cover
35%
2nd clearest
Wind
8 km/h
6th windiest
Solar energy
4.9 kWh/m²
Travel score
6.0
out of 10

Khon Kaen is city in Khon Kaen province, Thailand.

Air quality
High
PM2.5 34 µg/m³ · 2019
Density
2,488/km²
people per km²
Founded
1935

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 30°C through the month.

A typical January day in Khon Kaen reaches about 30°C in the afternoon and slips back to 18°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)
13018
23018
33018
43018
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163118
173118
183118
193118
203118
213118
223118
233118
243118
253118
263119
273119
283119
293119
303119
313119

How January really feels in Khon Kaen

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.

Khon Kaen 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
Jan30° / 18°71.611.16.0
Feb33° / 20°112.411.44.5
Mar35° / 24°345.911.92.8
Apr36° / 26°6510.712.42.0
May35° / 26°15220.112.82.0
Jun34° / 26°13419.2132.2
Jul33° / 26°16420.312.92.4
Aug32° / 26°21423.312.62.5
Sep32° / 25°23723.312.12.7
Oct31° / 24°10412.811.64.1
Nov31° / 21°243.511.25.4
Dec30° / 19°51116.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27723
37624
47624
57624
67624
77525
87525
97525
107624
117624
127624
137723
147723
157723
167822
177921
188020
198020
208020
218020
228119
238119
248119
258119
268218
278218
288218
298317
308317
318317

Chance of precipitation in January

Any precipitation

Khon Kaen gets around 7 mm of rain over 1.6 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 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
65
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
226
236
246
256
266
276
286
296
306
316

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 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1132736222
2132637222
3122638222
4122638222
5112639212
6112639213
7112540213
8112540213
9112540213
10112540203
11112540204
12112540204
13112640204
14112639194
15112639194
16112639195
17122539195
18122539195
19122639195
20112639204
21112638204
22112638205
23112638205
24112637215
25112637215
26122536225
27122536225
28122535226
29132434236
30132433236
31132433236

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
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 hours 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 18 minutes over January. Sunrise moves from 6:41 AM to 6:44 AM, and sunset from 5:43 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:415:43
211.06:415:43
311.06:415:44
411.06:425:45
511.16:425:45
611.16:425:46
711.16:435:46
811.16:435:47
911.16:435:47
1011.16:435:48
1111.16:445:49
1211.16:445:49
1311.16:445:50
1411.16:445:50
1511.16:445:51
1611.16:445:52
1711.16:455:52
1811.16:455:53
1911.16:455:53
2011.26:455:54
2111.26:455:54
2211.26:455:55
2311.26:455:56
2411.26:455:56
2511.26:455:57
2611.26:455:57
2711.26:455:58
2811.26:455:58
2911.26:445:59
3011.36:445:59
3111.36:446:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.9 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 6.1 kWh/m² in April across the year — January's 4.9 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Khon Kaen

In seasonPeak

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

Khon Kaen'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 Khon Kaen?

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

6.0
Sightseeing
2nd-best month of the year
8.5
Beach & pool
2nd-best month of the year

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

What to pack for Khon Kaen in January

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

In January, Khon Kaen sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Khon Kaen 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 Khon Kaen peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 12UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Khon Kaen 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 Khon Kaen is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (June, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Khon Kaen's WHO annual average of 34 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1555 µg/m³Jun 2222 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb48Poor
Mar56Unhealthy
Apr43Poor
May31Moderate
Jun22Moderate
Jul23Moderate
Aug24Moderate
Sep29Moderate
Oct33Moderate
Nov31Moderate
Dec29Moderate
Location & terrain

Where is Khon Kaen?

Khon Kaen sits at 16.4°N, 102.8°E, 167 m above sea level, in Thailand. The nearest listed city is Ban Phai, 44 km away.

Topography around Khon Kaen

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

Within 3 km, the terrain around Khon Kaen has only modest variations in elevation — a maximum elevation change of 64 m around an average of 165 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, large variations in elevation — a maximum elevation change of 683 m.

The land around Khon Kaen is covered by artificial surfaces (51%) and trees (35%) within 3 km, cropland (54%) and trees (26%) within 16 km, and cropland (75%) within 80 km.

3 km
64 m
16 km
80 m
80 km
683 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Ban Phai 44 km · Nong Kung Si 55 km · Maha Sarakham 58 km · Kalasin 72 km · Kaeng Khro 72 km · Phu Khiao 76 km · Ban Phan Don 79 km · Chum Phae 79 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 Khon Kaen (16.4467°, 102.833°, elevation 167 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).