Trang weather in May

In May, Trang sees average daytime highs of 32°C and overnight lows near 25°C, with 224 mm of rain across 25.8 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 5th-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 5% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Trang's 7th-clearest and 11th-windiest month. For the whole year in context, see Trang's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
12th coldest
Rainfall
224 mm
25.8 wet days
Daylight
12 h 18 min
6:07 AM – 6:28 PM
Cloud cover
83%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
5.2 kWh/m²
Travel score
2.6
out of 10

Trang is city in Trang province, Thailand.

Density
4,517/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 32°C through the month.

A typical May day in Trang 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 30°C and 33°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

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
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How May really feels in Trang

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.

Trang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°466.311.64.3
Feb33° / 24°253.911.83.9
Mar33° / 24°8711.111.93.1
Apr33° / 25°16121.112.22.6
May32° / 25°22425.812.32.6
Jun31° / 25°2052312.43.0
Jul30° / 25°21923.412.43.1
Aug30° / 25°24725.512.23.0
Sep30° / 25°27425.6122.9
Oct30° / 24°33927.911.82.8
Nov30° / 24°24022.311.73.2
Dec30° / 24°13313.411.64.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31882
41882
51684
61684
71585
81486
91486
101288
111288
121288
131189
141189
151189
161090
171090
181090
191189
201189
211189
221189
231090
241090
251189
261189
271189
28991
29991
301090
311090

Chance of precipitation in May

Any precipitation

Trang gets around 224 mm of rain over 25.8 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 83% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
282
383
483
584
684
784
885
985
1085
1184
1284
1384
1484
1583
1683
1783
1883
1982
2082
2182
2282
2382
2482
2582
2682
2783
2883
2983
3083
3183

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1595
2595
3496
4496
5397
6397
7397
8397
9397
10397
11397
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

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 7 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
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 24 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 6:11 AM to 6:07 AM, and sunset from 6:27 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:116:27
212.36:116:27
312.36:106:27
412.36:106:27
512.36:106:27
612.36:096:27
712.36:096:27
812.36:096:27
912.36:096:27
1012.36:096:27
1112.36:086:27
1212.36:086:28
1312.36:086:28
1412.36:086:28
1512.36:086:28
1612.36:076:28
1712.36:076:28
1812.46:076:28
1912.46:076:29
2012.46:076:29
2112.46:076:29
2212.46:076:29
2312.46:076:29
2412.46:076:30
2512.46:076:30
2612.46:076:30
2712.46:076:30
2812.46:076:30
2912.46:076:31
3012.46:076:31
3112.46:076:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 6.08 kWh/m² in March across the year — May's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Trang

In seasonPeak

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

Trang sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Trang?

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

2.6
Sightseeing
11th-best month of the year
4.0
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Trang.

What to pack for Trang in May

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

In May, Trang sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Trang in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 km away) is warmest in May at about 30°C and coldest in January near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Trang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trang peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 13Nov 22UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Trang 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 Trang is worst in April — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1624 µg/m³Feb 1319 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar22Moderate
Apr24Moderate
May21Moderate
Jun22Moderate
Jul21Moderate
Aug18Moderate
Sep21Moderate
Oct22Moderate
Nov22Moderate
Dec20Moderate
Location & terrain

Where is Trang?

Trang sits at 7.6°N, 99.6°E, 27 m above sea level, in Thailand. The nearest listed city is Huai Yot, 26 km away.

Ko Phi PhiKrabi

Topography around Trang

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

Within 3 km, the terrain around Trang has only modest variations in elevation — a maximum elevation change of 49 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 397 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,334 m.

The land around Trang is covered by trees (49%) and artificial surfaces (32%) within 3 km, trees (82%) within 16 km, and trees (63%) and water (29%) within 80 km.

3 km
49 m
16 km
397 m
80 km
1,334 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Huai Yot 26 km · Phatthalung 52 km · Ko Lanta 58 km · Thung Song 68 km · Ron Phibun 74 km · Ranot 82 km · Ko Phi Phi 95 km · Krabi 96 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 Trang (7.5563°, 99.6114°, elevation 27 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).