Bang Phae weather in May

In May, Bang Phae sees average daytime highs of 35°C and overnight lows near 27°C, with 141 mm of rain across 21.9 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 10% 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 Phae's 8th-clearest and 9th-windiest month. For the whole year in context, see Bang Phae's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
141 mm
21.9 wet days
Daylight
12 h 36 min
5:58 AM – 6:35 PM
Cloud cover
78%
8th clearest
Wind
8 km/h
9th windiest
Solar energy
5.62 kWh/m²
Travel score
1.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical May day in Bang Phae reaches about 35°C in the afternoon and slips back to 27°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13627
23627
33627
43627
53527
63527
73527
83527
93527
103527
113527
123527
133527
143527
153527
163527
173527
183527
193527
203527
213527
223527
233527
243527
253527
263527
273527
283527
293527
303527
313527

How May really feels in Bang Phae

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 Phae weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°172.711.34.9
Feb33° / 24°15311.54.0
Mar35° / 26°467.311.93.0
Apr36° / 27°8211.412.32.1
May35° / 27°14121.912.61.8
Jun34° / 27°13022.112.81.9
Jul33° / 26°13722.912.72.2
Aug33° / 26°15123.612.52.2
Sep33° / 26°23624.912.12.2
Oct32° / 25°22121.411.72.9
Nov32° / 24°557.211.44.2
Dec32° / 22°122.411.25.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24357
34060
43961
53763
63664
73466
83169
93070
102773
112575
122476
132377
142080
151981
161783
171684
181585
191486
201486
211288
221189
231189
241090
251090
261090
27991
28991
29991
30892
31892

Chance of precipitation in May

Any precipitation

Bang Phae gets around 141 mm of rain over 21.9 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 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
256
357
458
559
660
761
862
964
1065
1167
1268
1370
1471
1572
1673
1774
1874
1975
2076
2176
2277
2378
2478
2578
2678
2778
2878
2978
3078
3178

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12575
22476
32476
42476
52476
62377
72377
82377
92377
102377
112377
122377
132377
142377
152377
162377
172377
182377
192377
202377
212377
222377
232377
242377
252278
262278
272278
282278
292278
302278
312278

Wind in May

Winds average 8 km/h in May.

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 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 6:03 AM to 5:55 AM, and sunset from 6:32 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:036:32
212.56:036:32
312.56:026:32
412.56:026:33
512.56:016:33
612.56:016:33
712.56:006:33
812.66:006:33
912.66:006:34
1012.65:596:34
1112.65:596:34
1212.65:596:34
1312.65:586:35
1412.65:586:35
1512.65:586:35
1612.65:586:35
1712.65:576:36
1812.65:576:36
1912.75:576:36
2012.75:576:37
2112.75:566:37
2212.75:566:37
2312.75:566:37
2412.75:566:38
2512.75:566:38
2612.75:566:38
2712.75:566:39
2812.75:566:39
2912.75:566:39
3012.75:556:40
3112.75:556:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 6.27 kWh/m² in April across the year — May's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Bang Phae

In seasonPeak

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

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

Bang Phae's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Bang Phae?

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

1.8
Sightseeing
12th-best month of the year
3.9
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Bang Phae.

What to pack for Bang Phae in May

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

In May, Bang Phae sees daytime highs around 35°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 Bang Phae 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 41 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
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Bang Phae in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (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 Phae peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 8 (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 13Nov 20UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec9Very high

Air quality in Bang Phae 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 Phae is worst in February — around 61 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (August, 24 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1861 µg/m³Aug 1024 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb61Unhealthy
Mar60Unhealthy
Apr47Poor
May33Moderate
Jun24Moderate
Jul24Moderate
Aug24Moderate
Sep29Moderate
Oct46Poor
Nov48Poor
Dec48Poor
Location & terrain

Where is Bang Phae?

Bang Phae sits at 13.7°N, 99.9°E, 11 m above sea level, in Thailand. The nearest listed city is Ban I Chang, 4.0 km away.

Topography around Bang Phae

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

Within 3 km, the terrain around Bang Phae has only modest variations in elevation — a maximum elevation change of 13 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 76 m; within 80 km, large variations in elevation — a maximum elevation change of 1,189 m.

The land around Bang Phae is covered by trees (47%) and cropland (22%) within 3 km, trees (45%) and cropland (22%) within 16 km, and trees (33%) and cropland (33%) within 80 km.

3 km
13 m
16 km
76 m
80 km
1,189 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Ban I Chang 4.0 km · Photharam 9.0 km · Ban Pong 15 km · Nakhon Pathom 19 km · Damnoen Saduak 19 km · Ratchaburi 21 km · Ban Phaeo 22 km · Tha Maka 29 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 Phae (13.6916°, 99.9298°, elevation 11 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).