Ban Mai weather in May

In May, Ban Mai sees average daytime highs of 32°C and overnight lows near 27°C, with 120 mm of rain across 21.7 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 9% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Ban Mai's 5th-clearest and 12th-windiest month. For the whole year in context, see Ban Mai's year-round climate.

Daytime high
32°
1st warmest
Overnight low
27°
12th coldest
Rainfall
120 mm
21.7 wet days
Daylight
12 h 18 min
6:04 AM – 6:24 PM
Cloud cover
78%
5th clearest
Wind
8 km/h
12th windiest
Solar energy
5.78 kWh/m²
Travel score
3.0
out of 10

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 Ban Mai reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°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 on par with April and on par with June.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13126
23126
33126
43126
53126
63126
73126
83126
93127
103127
113227
123227
133227
143227
153227
163227
173227
183227
193227
203227
213227
223227
233227
243227
253227
263227
273227
283227
293227
303227
313227

How May really feels in Ban Mai

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 Mai 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
Jan28° / 25°1051411.65.2
Feb29° / 25°477.711.85.7
Mar30° / 25°8912.1124.8
Apr31° / 26°11217.212.23.7
May32° / 27°12021.712.33.0
Jun31° / 26°9517.812.43.3
Jul31° / 26°8617.212.43.4
Aug31° / 26°8617.312.23.4
Sep31° / 26°12321.7123.1
Oct30° / 26°27027.511.82.9
Nov29° / 25°4032711.73.2
Dec28° / 25°33822.411.64.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32674
42575
52575
62476
72377
82377
92377
102377
112278
122278
132179
142179
152080
162080
172080
182080
192080
202080
212080
222080
232080
242080
252080
261981
271882
281882
291783
301783
311783

Chance of precipitation in May

Any precipitation

Ban Mai gets around 120 mm of rain over 21.7 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 70% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
169
270
370
471
571
671
771
871
971
1071
1171
1271
1371
1471
1571
1670
1770
1870
1970
2069
2169
2269
2369
2469
2569
2669
2770
2870
2969
3069
3169

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18298
19298
20298
21397
22397
23397
24397
25496
26496
27496
28595
29595
30595
31595

Wind in May

Winds average 8 km/h in May, the calmest month.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 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 12 minutes over May. Sunrise moves from 6:08 AM to 6:04 AM, and sunset from 6:23 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:086:23
212.36:076:23
312.36:076:23
412.36:076:23
512.36:066:23
612.36:066:23
712.36:066:23
812.36:066:23
912.36:056:23
1012.36:056:23
1112.36:056:23
1212.36:056:23
1312.36:056:23
1412.36:056:24
1512.36:046:24
1612.36:046:24
1712.36:046:24
1812.36:046:24
1912.36:046:24
2012.36:046:25
2112.36:046:25
2212.46:046:25
2312.46:046:25
2412.46:046:25
2512.46:046:25
2612.46:046:26
2712.46:046:26
2812.46:046:26
2912.46:046:26
3012.46:046:27
3112.46:046:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.78 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.36 kWh/m² in March across the year — May's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Ban Mai

In seasonPeak

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

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

Ban Mai's monsoon runs October–December, 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 Mai?

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

3.0
Sightseeing
11th-best month of the year
4.6
Beach & pool
9th-best month of the year

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

What to pack for Ban Mai in May

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

In May, Ban Mai sees daytime highs around 32°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Ban Mai 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 offshore 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
Jun31Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Ban Mai 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 Ban Mai peaks around February 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 13Dec 12UV 11
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Ban Mai 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 Mai is worst in June — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 2119 µg/m³Nov 2212 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr16Moderate
May16Moderate
Jun19Moderate
Jul19Moderate
Aug16Moderate
Sep17Moderate
Oct16Moderate
Nov11Good
Dec12Good
Location & terrain

Where is Ban Mai?

Ban Mai sits at 7.2°N, 100.5°E, 6 m above sea level, in Thailand. The nearest listed city is Songkhla, 6.0 km away.

Topography around Ban Mai

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

Within 3 km, the terrain around Ban Mai has only modest variations in elevation — a maximum elevation change of 164 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 290 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,229 m.

The land around Ban Mai is covered by water (52%) and trees (33%) within 3 km, water (57%) and trees (26%) within 16 km, and trees (56%) and water (36%) within 80 km.

3 km
164 m
16 km
290 m
80 km
1,229 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Songkhla 6.0 km · Hat Yai 23 km · Sadao 64 km · Ranot 68 km · Phatthalung 69 km · Satun 83 km · Pattani 86 km · Changloon 87 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 Mai (7.2041°, 100.5451°, elevation 6 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).