Phatthalung weather in May

In May, Phatthalung sees average daytime highs of 32°C and overnight lows near 25°C, with 143 mm of rain across 23.2 wet days and about 12.3 hours of daylight. It is the 1st-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 6% 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 Phatthalung's 6th-clearest and 11th-windiest month. For the whole year in context, see Phatthalung's year-round climate.

Daytime high
32°
1st warmest
Overnight low
25°
12th coldest
Rainfall
143 mm
23.2 wet days
Daylight
12 h 18 min
6:06 AM – 6:26 PM
Cloud cover
81%
6th clearest
Wind
5 km/h
11th windiest
Solar energy
5.26 kWh/m²
Travel score
2.5
out of 10

Phatthalung is town in Phatthalung province, Thailand.

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 Phatthalung reaches about 32°C in the afternoon and slips back to 25°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 35°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)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Phatthalung

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.

Phatthalung weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°10116.511.64.5
Feb30° / 23°5210.611.74.8
Mar31° / 23°9614.111.93.9
Apr32° / 24°11718.512.23.0
May32° / 25°14323.212.32.5
Jun32° / 24°12120.512.42.8
Jul32° / 24°11821.912.42.8
Aug32° / 24°13322.612.22.8
Sep31° / 24°17724.7122.7
Oct30° / 24°28828.911.82.6
Nov29° / 24°32927.311.73.0
Dec29° / 23°25522.411.63.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32278
42278
52080
62080
71981
81981
91882
101783
111585
121585
131585
141486
151486
161486
171387
181387
191387
201486
211486
221387
231387
241387
251387
261387
271387
281387
291288
301288
311288

Chance of precipitation in May

Any precipitation

Phatthalung gets around 143 mm of rain over 23.2 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 75% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
274
374
475
575
676
776
876
976
1076
1176
1275
1375
1475
1575
1675
1774
1874
1974
2074
2174
2274
2374
2474
2575
2675
2776
2876
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 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12674
22575
32575
42575
52575
62575
72575
82575
92575
102575
112674
122674
132773
142773
152872
162872
172971
182971
193070
203169
213169
223268
233268
243367
253367
263466
273466
283466
293466
303466
313565

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:09 AM to 6:05 AM, and sunset from 6:25 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:096:25
212.36:096:25
312.36:086:25
412.36:086:25
512.36:086:25
612.36:086:25
712.36:076:25
812.36:076:25
912.36:076:25
1012.36:076:26
1112.36:066:26
1212.36:066:26
1312.36:066:26
1412.36:066:26
1512.36:066:26
1612.36:066:26
1712.46:056:26
1812.46:056:27
1912.46:056:27
2012.46:056:27
2112.46:056:27
2212.46:056:27
2312.46:056:28
2412.46:056:28
2512.46:056:28
2612.46:056:28
2712.46:056:28
2812.46:056:29
2912.46:056:29
3012.46:056:29
3112.46:056:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.26 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.98 kWh/m² in March across the year — May's 5.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Phatthalung

In seasonPeak

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

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

Phatthalung's rainy season runs September–December, when most of the year's rain falls.

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

Is May a good time to visit Phatthalung?

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

2.5
Sightseeing
12th-best month of the year
4.3
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Phatthalung.

What to pack for Phatthalung in May

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

In May, Phatthalung sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Phatthalung in May

The nearest coast averages about 31°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 43 km away) is warmest in May at about 31°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Phatthalung 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 Phatthalung peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 13Dec 13UV 11
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Phatthalung 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 Phatthalung 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 Phatthalung?

Phatthalung sits at 7.6°N, 100.1°E, 14 m above sea level, in Thailand. The nearest listed city is Ranot, 32 km away.

Topography around Phatthalung

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

Within 3 km, the terrain around Phatthalung has only modest variations in elevation — a maximum elevation change of 194 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 357 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,316 m.

The land around Phatthalung is covered by trees (44%) and artificial surfaces (21%) within 3 km, trees (56%) within 16 km, and trees (63%) and water (27%) within 80 km.

3 km
194 m
16 km
357 m
80 km
1,316 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Ranot 32 km · Trang 52 km · Huai Yot 52 km · Ron Phibun 67 km · Ban Mai 69 km · Songkhla 74 km · Thung Song 75 km · Hat Yai 81 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 Phatthalung (7.6179°, 100.0779°, elevation 14 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).