Udon Thani weather in August

In August, Udon Thani sees average daytime highs of 32°C and overnight lows near 25°C, with 331 mm of rain across 27 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Udon Thani's 12th-clearest and 8th-windiest month. For the whole year in context, see Udon Thani's year-round climate.

Daytime high
32°
7th warmest
Overnight low
25°
9th coldest
Rainfall
331 mm
27 wet days
Daylight
12 h 36 min
5:55 AM – 6:31 PM
Cloud cover
91%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
4.27 kWh/m²
Travel score
2.4
out of 10

Udon Thani is city in Udon Thani province, Thailand.

Density
2,736/km²
people per km²
Founded
1936

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Udon Thani reaches about 32°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263125
273125
283125
293125
303125
313125

How August really feels in Udon Thani

Once humidity and wind are folded in, August 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
18 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Udon Thani weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°81.411.16.8
Feb32° / 19°142.411.45.3
Mar34° / 22°315.811.93.5
Apr35° / 25°6210.412.42.4
May34° / 26°21121.912.82.1
Jun33° / 26°22123132.3
Jul32° / 26°26625.612.92.4
Aug32° / 25°3312712.62.4
Sep32° / 25°27624.512.12.7
Oct31° / 23°9611.811.64.3
Nov30° / 21°202.911.25.9
Dec29° / 18°60.9117.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16694
17793
18793
19793
20793
21793
22793
23793
24793
25793
26793
27793
28793
29793
30793
31793

Chance of precipitation in August

Any precipitation

Udon Thani gets around 331 mm of rain over 27 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
287
387
487
586
686
786
885
985
1085
1185
1285
1385
1485
1586
1686
1786
1886
1987
2087
2188
2288
2389
2489
2590
2690
2790
2891
2991
3091
3191

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12080
21981
31981
41981
51981
61981
71981
81981
91981
101981
111882
121882
131882
141783
151684
161684
171585
181486
191387
201288
211189
221090
231090
24991
25892
26793
27793
28694
29694
30694
31694

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 5 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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:51 AM to 5:58 AM, and sunset from 6:39 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:516:39
212.85:516:38
312.85:526:38
412.85:526:37
512.75:526:37
612.75:536:36
712.75:536:36
812.75:536:35
912.75:536:35
1012.75:546:34
1112.75:546:34
1212.65:546:33
1312.65:546:33
1412.65:556:32
1512.65:556:31
1612.65:556:31
1712.65:556:30
1812.65:566:29
1912.55:566:29
2012.55:566:28
2112.55:566:27
2212.55:566:27
2312.55:576:26
2412.55:576:25
2512.55:576:24
2612.45:576:24
2712.45:576:23
2812.45:586:22
2912.45:586:21
3012.45:586:21
3112.45:586:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.27 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 6.1 kWh/m² in April across the year — August's 4.27 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Udon Thani

In seasonPeak

In August, Udon Thani sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Udon Thani'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 August a good time to visit Udon Thani?

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

2.4
Sightseeing
8th-best month of the year
3.8
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Udon Thani.

What to pack for Udon Thani in August

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

In August, Udon Thani sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Udon Thani in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Udon Thani peaks around August 11 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 11UV 13Dec 14UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Udon Thani in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Udon Thani is worst in March — around 65 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (July, 27 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorModerateMar 1664 µg/m³Jul 1227 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb54Poor
Mar65Unhealthy
Apr52Poor
May36Poor
Jun28Moderate
Jul27Moderate
Aug29Moderate
Sep34Moderate
Oct37Poor
Nov35Poor
Dec34Moderate
Location & terrain

Where is Udon Thani?

Udon Thani sits at 17.4°N, 102.8°E, 177 m above sea level, in Thailand. The nearest listed city is Kut Chap, 23 km away.

Topography around Udon Thani

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

Within 3 km, the terrain around Udon Thani has only modest variations in elevation — a maximum elevation change of 19 m around an average of 177 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, significant variations in elevation — a maximum elevation change of 511 m.

The land around Udon Thani is covered by artificial surfaces (58%) and trees (32%) within 3 km, cropland (48%) and trees (35%) within 16 km, and cropland (62%) and trees (32%) within 80 km.

3 km
19 m
16 km
70 m
80 km
511 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kut Chap 23 km · Ban Phan Don 36 km · Nong Bua Lamphu 44 km · Ban Nong Wua So 49 km · Nong Khai 52 km · Tha Bo 53 km · Ban Dung 59 km · Vientiane 64 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 Udon Thani (17.4157°, 102.7859°, elevation 177 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).