Kantharalak weather in May

In May, Kantharalak sees average daytime highs of 34°C and overnight lows near 26°C, with 156 mm of rain across 22.1 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Kantharalak's 8th-clearest and 10th-windiest month. For the whole year in context, see Kantharalak's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
156 mm
22.1 wet days
Daylight
12 h 42 min
5:37 AM – 6:18 PM
Cloud cover
80%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
5.51 kWh/m²
Travel score
2.1
out of 10

Kantharalak is town in Si Sa Ket province, Thailand.

Founded
1956

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical May day in Kantharalak reaches about 34°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 31°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)
13526
23526
33526
43526
53526
63526
73426
83426
93426
103426
113426
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Kantharalak

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.

Kantharalak 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
Jan31° / 19°41.111.25.7
Feb33° / 21°10211.54.5
Mar35° / 24°376.611.93.0
Apr35° / 26°781312.32.2
May34° / 26°15622.112.72.1
Jun33° / 26°16423.112.82.3
Jul32° / 25°19025.412.82.5
Aug31° / 25°21925.912.52.6
Sep31° / 25°24725.512.12.7
Oct31° / 23°12516.311.73.8
Nov31° / 22°395.211.35.2
Dec30° / 19°91.911.16.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33763
43565
53367
63268
73070
82872
92674
102575
112377
122179
132179
141882
151783
161684
171585
181585
191486
201486
211486
221486
231288
241288
251288
261189
271189
281189
291090
301090
311090

Chance of precipitation in May

Any precipitation

Kantharalak gets around 156 mm of rain over 22.1 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 71% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
260
361
462
563
664
765
866
967
1068
1169
1270
1370
1471
1572
1673
1774
1874
1975
2075
2176
2276
2376
2477
2577
2677
2777
2877
2977
3077
3177

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1155737
2055639
3045442
4045244
5035047
6034849
7024652
8024454
9024355
10014158
11014059
12013861
13013762
14013663
15013564
16003466
17003367
18003268
19003169
20003070
21002971
22002872
23002872
24002773
25002773
26002674
27002575
28002575
29002476
30002476
31002476

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 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
177calm
187calm
197calm
207calm
217calm
227calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:43 AM to 5:35 AM, and sunset from 6:14 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:436:14
212.55:436:14
312.55:426:15
412.65:426:15
512.65:416:15
612.65:416:15
712.65:406:16
812.65:406:16
912.65:406:16
1012.65:396:16
1112.65:396:17
1212.65:396:17
1312.65:386:17
1412.75:386:17
1512.75:386:18
1612.75:376:18
1712.75:376:18
1812.75:376:19
1912.75:376:19
2012.75:366:19
2112.75:366:19
2212.75:366:20
2312.75:366:20
2412.75:366:20
2512.85:356:21
2612.85:356:21
2712.85:356:21
2812.85:356:22
2912.85:356:22
3012.85:356:22
3112.85:356:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 6.09 kWh/m² in April across the year — May's 5.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Kantharalak

In seasonPeak

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

Kantharalak'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 May a good time to visit Kantharalak?

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

2.1
Sightseeing
12th-best month of the year
4.2
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Kantharalak.

What to pack for Kantharalak in May

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

In May, Kantharalak sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Kantharalak 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 Kantharalak peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 13UV 14Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar11Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Kantharalak 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 Kantharalak is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (December, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateMar 1759 µg/m³Dec 1315 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb42Poor
Mar61Unhealthy
Apr43Poor
May26Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep24Moderate
Oct24Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Kantharalak?

Kantharalak sits at 14.6°N, 104.6°E, 160 m above sea level, in Thailand. The nearest listed city is Det Udom, 55 km away.

Tbeng MeancheySurin

Topography around Kantharalak

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

Within 3 km, the terrain around Kantharalak has only modest variations in elevation — a maximum elevation change of 42 m around an average of 155 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, large variations in elevation — a maximum elevation change of 707 m.

The land around Kantharalak is covered by trees (46%) and cropland (30%) within 3 km, cropland (56%) and trees (37%) within 16 km, and cropland (54%) and trees (40%) within 80 km.

3 km
42 m
16 km
149 m
80 km
707 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Det Udom 55 km · Si Sa Ket 63 km · Warin Chamrap 66 km · Ubon Ratchathani 70 km · Anlong Veaeng 76 km · Phibun Mangsahan 92 km · Tbeng Meanchey 99 km · Surin 127 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 Kantharalak (14.6406°, 104.6499°, elevation 160 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).