Ban Dung weather in May

In May, Ban Dung sees average daytime highs of 33°C and overnight lows near 26°C, with 255 mm of rain across 22.8 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 33°C by the end. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Ban Dung's 8th-clearest and 11th-windiest month. For the whole year in context, see Ban Dung's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
255 mm
22.8 wet days
Daylight
12 h 48 min
5:38 AM – 6:28 PM
Cloud cover
77%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
5.18 kWh/m²
Travel score
2.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 33°C by the end.

A typical May day in Ban Dung reaches about 33°C in the afternoon and slips back to 26°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23526
33426
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153326
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293326
303326
313326

How May really feels in Ban Dung

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

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

Ban Dung weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°91.611.16.8
Feb31° / 19°152.311.45.5
Mar34° / 22°366.311.93.7
Apr35° / 25°7711.112.42.6
May33° / 26°25522.812.82.2
Jun32° / 26°30225.6132.2
Jul32° / 26°35627.6132.4
Aug31° / 25°39228.412.62.4
Sep32° / 25°29123.812.12.7
Oct32° / 24°9111.111.64.2
Nov31° / 21°182.911.25.6
Dec29° / 18°70.9117.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34753
44456
54357
64159
73961
83862
93664
103565
113268
123070
132971
142674
152575
162377
172278
182080
191882
201783
211684
221585
231486
241387
251288
261288
271288
281189
291090
30991
31991

Chance of precipitation in May

Any precipitation

Ban Dung gets around 255 mm of rain over 22.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
153
255
356
458
559
661
762
864
966
1067
1169
1271
1372
1473
1575
1676
1777
1878
1979
2080
2180
2281
2382
2483
2584
2685
2785
2886
2987
3087
3188

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1176032
2165835
3165637
4165340
5155143
6154846
7154549
8154252
9153955
10153658
11153361
12153163
13152866
14142669
15142471
16142372
17142174
18132076
19031978
20031879
21021781
22021682
23021583
24011485
25011386
26011287
27011188
28011089
2900991
3000892
3100793

Wind in May

Winds average 6 km/h in May.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
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
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:45 AM to 5:35 AM, and sunset from 6:23 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:456:23
212.65:456:23
312.75:446:24
412.75:446:24
512.75:436:24
612.75:436:25
712.75:426:25
812.75:426:25
912.75:416:26
1012.85:416:26
1112.85:406:26
1212.85:406:27
1312.85:396:27
1412.85:396:27
1512.85:396:28
1612.85:386:28
1712.85:386:28
1812.95:386:29
1912.95:376:29
2012.95:376:29
2112.95:376:30
2212.95:376:30
2312.95:366:31
2412.95:366:31
2512.95:366:31
2612.95:366:32
2712.95:366:32
2812.95:366:32
2913.05:356:33
3013.05:356:33
3113.05:356:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.08 kWh/m² in April across the year — May's 5.18 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Ban Dung

In seasonPeak

In May, Ban Dung sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Ban Dung sits in the Pacific typhoon belt; the season peaks July–October.

Ban Dung's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Ban Dung?

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

2.2
Sightseeing
11th-best month of the year
4.2
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Ban Dung.

What to pack for Ban Dung in May

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

In May, Ban Dung sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Ban Dung in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ban Dung peaks around August 10 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 10UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Ban Dung in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ban Dung is worst in April — around 78 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (November, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 977 µg/m³Nov 1616 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb39Poor
Mar75Unhealthy
Apr78Unhealthy
May28Moderate
Jun20Moderate
Jul20Moderate
Aug20Moderate
Sep18Moderate
Oct18Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Ban Dung?

Ban Dung sits at 17.7°N, 103.3°E, 178 m above sea level, in Thailand. The nearest listed city is Sawang Daen Din, 33 km away.

Topography around Ban Dung

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

Within 3 km, the terrain around Ban Dung has only modest variations in elevation — a maximum elevation change of 44 m around an average of 166 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, large variations in elevation — a maximum elevation change of 885 m.

The land around Ban Dung is covered by trees (34%) and cropland (33%) within 3 km, cropland (62%) and trees (29%) within 16 km, and cropland (54%) and trees (40%) within 80 km.

3 km
44 m
16 km
62 m
80 km
885 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Sawang Daen Din 33 km · Phon Charoen 38 km · Ban Nong Wua So 48 km · Nong Khai 58 km · Udon Thani 59 km · Warichaphum 60 km · Ban Phan Don 69 km · Tha Bo 74 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 Ban Dung (17.699°, 103.2596°, elevation 178 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).