Bang Bo District weather in May

In May, Bang Bo District sees average daytime highs of 33°C and overnight lows near 28°C, with 131 mm of rain across 19.5 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 11% 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 42 min by month's end. Set against the rest of the year, May is Bang Bo District's 8th-clearest and 6th-windiest month. For the whole year in context, see Bang Bo District's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
28°
12th coldest
Rainfall
131 mm
19.5 wet days
Daylight
12 h 36 min
5:54 AM – 6:32 PM
Cloud cover
78%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
5.58 kWh/m²
Travel score
2.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Bang Bo District reaches about 33°C in the afternoon and slips back to 28°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, May runs on par with April and on par with June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13328
23328
33328
43328
53328
63328
73328
83328
93328
103328
113328
123328
133328
143328
153328
163328
173328
183328
193328
203328
213328
223328
233328
243328
253328
263328
273328
283328
293328
303328
313328

How May really feels in Bang Bo District

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.

Bang Bo District weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°173.611.35.5
Feb32° / 25°163.411.55.1
Mar32° / 27°437.511.94.2
Apr33° / 28°7411.212.33.3
May33° / 28°13119.512.62.7
Jun32° / 28°11220.212.82.7
Jul32° / 27°12021.312.72.8
Aug32° / 27°12621.412.52.9
Sep31° / 27°22524.512.12.7
Oct31° / 26°19220.811.73.3
Nov31° / 25°426.411.44.6
Dec31° / 23°101.911.25.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34060
43763
53664
63466
73169
83169
92971
102773
112575
122476
132278
142278
152080
161981
171882
181882
191684
201585
211585
221486
231486
241486
251486
261387
271387
281387
291189
301189
311189

Chance of precipitation in May

Any precipitation

Bang Bo District gets around 131 mm of rain over 19.5 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 63% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
149
250
351
452
553
654
756
857
959
1060
1162
1263
1365
1466
1567
1668
1768
1868
1969
2069
2169
2268
2368
2468
2568
2668
2768
2868
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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1595
2595
3595
4595
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26595
27595
28595
29595
30595
31595

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 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 6:00 AM to 5:52 AM, and sunset from 6:28 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:006:28
212.55:596:28
312.55:596:29
412.55:586:29
512.55:586:29
612.55:576:29
712.55:576:30
812.65:576:30
912.65:566:30
1012.65:566:30
1112.65:566:30
1212.65:556:31
1312.65:556:31
1412.65:556:31
1512.65:546:31
1612.65:546:32
1712.65:546:32
1812.65:546:32
1912.75:536:33
2012.75:536:33
2112.75:536:33
2212.75:536:33
2312.75:536:34
2412.75:536:34
2512.75:536:34
2612.75:526:35
2712.75:526:35
2812.75:526:35
2912.75:526:36
3012.75:526:36
3112.75:526:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.58 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.17 kWh/m² in April across the year — May's 5.58 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
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Bang Bo District

In seasonPeak

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

Bang Bo District sits in the Pacific typhoon belt; the season peaks July–October.

Bang Bo District's rainy season runs May–October, 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 Bang Bo District?

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

2.7
Sightseeing
10th-best month of the year
4.7
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Bang Bo District.

What to pack for Bang Bo District in May

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

In May, Bang Bo District sees daytime highs around 33°C and nights near 28°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Bang Bo District 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 24 km away) is warmest in May at about 31°C and coldest in January near 27°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
Jan27Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Bang Bo District in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bang Bo District peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 15UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Bang Bo District 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 Bang Bo District is worst in January — around 114 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 46 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 15112 µg/m³Aug 1046 µg/m³
PM2.5 (µg/m³)Level
Jan114Unhealthy
Feb97Unhealthy
Mar69Unhealthy
Apr62Unhealthy
May54Poor
Jun46Poor
Jul47Poor
Aug46Poor
Sep60Unhealthy
Oct87Unhealthy
Nov101Unhealthy
Dec102Unhealthy
Location & terrain

Where is Bang Bo District?

Bang Bo District sits at 13.6°N, 100.8°E, 4 m above sea level, in Thailand. The nearest listed city is Ban Khlong Bang Sao Thong, 7.0 km away.

Topography around Bang Bo District

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

Within 3 km, the terrain around Bang Bo District has only modest variations in elevation — a maximum elevation change of 16 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Bang Bo District is covered by artificial surfaces (46%) within 3 km, water (34%) and artificial surfaces (22%) within 16 km, and water (28%), cropland (26%) and trees (25%) within 80 km.

3 km
16 m
16 km
40 m
80 km
874 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Ban Khlong Bang Sao Thong 7.0 km · Lat Krabang 16 km · Latkrabang 18 km · Bang Pakong 20 km · Ban Khlong Prawet 21 km · Bang Na 21 km · Samut Prakan 24 km · Suan Luang 24 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 Bang Bo District (13.5833°, 100.8167°, elevation 4 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).