Betong weather in May

In May, Betong sees average daytime highs of 31°C and overnight lows near 22°C, with 243 mm of rain across 27.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-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 2% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Betong's 9th-clearest and 10th-windiest month. For the whole year in context, see Betong's year-round climate.

Daytime high
31°
4th warmest
Overnight low
22°
12th coldest
Rainfall
243 mm
27.5 wet days
Daylight
12 h 18 min
6:04 AM – 6:20 PM
Cloud cover
87%
9th clearest
Wind
4 km/h
10th windiest
Solar energy
5.16 kWh/m²
Travel score
2.7
out of 10

Betong is town in Yala province, Thailand.

Density
380/km²
people per km²

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 31°C through the month.

A typical May day in Betong reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How May really feels in Betong

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
heat index over the day's high
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.

Betong weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°9211.611.74.5
Feb32° / 21°779.611.83.8
Mar32° / 21°17817.8123.0
Apr31° / 22°27025.312.12.7
May31° / 22°24327.512.32.7
Jun30° / 22°17422.312.33.2
Jul30° / 21°18822.312.33.4
Aug30° / 21°21323.812.23.2
Sep29° / 21°26426.4123.0
Oct29° / 21°34729.111.92.9
Nov29° / 21°30426.311.73.2
Dec29° / 21°19818.811.74.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 6% of May, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4892
5892
6892
7991
8991
9991
10991
11892
12793
13793
14892
15892
16892
17892
18892
19892
20793
21892
22892
23892
24892
25892
26892
27892
28892
29892
30793
31793

Chance of precipitation in May

Any precipitation

Betong gets around 243 mm of rain over 27.5 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 89% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
490
590
690
789
889
988
1088
1188
1287
1387
1487
1588
1688
1788
1888
1988
2089
2189
2289
2389
2489
2589
2689
2788
2888
2987
3087
3186

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11972
21963
31963
41963
51954
61954
71945
80955
90955
100946
110946
120946
130946
140946
150946
160946
170946
180946
191945
201945
211945
221954
231954
241963
251963
261963
271972
281972
291972
301972
311972

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 6:07 AM to 6:04 AM, and sunset from 6:19 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:076:19
212.26:076:19
312.26:066:19
412.26:066:19
512.26:066:19
612.26:066:19
712.26:056:19
812.26:056:19
912.26:056:19
1012.26:056:19
1112.26:056:19
1212.26:056:19
1312.36:046:19
1412.36:046:20
1512.36:046:20
1612.36:046:20
1712.36:046:20
1812.36:046:20
1912.36:046:20
2012.36:046:20
2112.36:046:20
2212.36:046:21
2312.36:046:21
2412.36:046:21
2512.36:046:21
2612.36:046:21
2712.36:046:22
2812.36:046:22
2912.36:046:22
3012.36:046:22
3112.36:046:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.16 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 5.81 kWh/m² in March across the year — May's 5.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Is May a good time to visit Betong?

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

2.7
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Betong.

What to pack for Betong in May

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

In May, Betong sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Betong in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Betong peaks around February 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 14Dec 11UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Betong 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 Betong is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1422 µg/m³Dec 1316 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep21Moderate
Oct21Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Betong?

Betong sits at 5.8°N, 101.1°E, 269 m above sea level, in Thailand. The nearest listed city is Pulai, 24 km away.

Topography around Betong

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

Within 3 km, the terrain around Betong has only modest variations in elevation — a maximum elevation change of 241 m around an average of 315 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,029 m.

The land around Betong is covered by trees (79%) within 3 km, trees (92%) within 16 km, and trees (92%) within 80 km.

3 km
241 m
16 km
1,170 m
80 km
2,029 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Pulai 24 km · Kampung Kupang 29 km · Sik 36 km · Gerik 40 km · Teloi Kanan 46 km · Kuala Ketil 51 km · Kampong Sidam 62 km · Sungai Lalang 62 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 Betong (5.7743°, 101.0723°, elevation 269 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).