Bang Len weather in May

In May, Bang Len sees average daytime highs of 36°C and overnight lows near 27°C, with 148 mm of rain across 22.1 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 36°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 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Bang Len's 8th-clearest and 7th-windiest month. For the whole year in context, see Bang Len's year-round climate.

Daytime high
36°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
148 mm
22.1 wet days
Daylight
12 h 36 min
5:56 AM – 6:35 PM
Cloud cover
79%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.64 kWh/m²
Travel score
1.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical May day in Bang Len reaches about 36°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 33°C and 38°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)
13628
23628
33628
43628
53628
63628
73628
83628
93628
103627
113627
123627
133627
143627
153527
163527
173527
183527
193527
203527
213527
223527
233527
243527
253527
263527
273527
283527
293527
303527
313527

How May really feels in Bang Len

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 Len 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°142.911.34.6
Feb34° / 24°142.611.53.8
Mar35° / 26°45711.92.6
Apr37° / 27°751212.31.6
May36° / 27°14822.112.61.6
Jun35° / 27°13822.412.81.8
Jul34° / 26°13323.112.72.0
Aug34° / 26°15023.412.52.0
Sep33° / 26°24124.912.12.1
Oct33° / 25°18619.911.72.9
Nov33° / 24°426.111.43.9
Dec32° / 23°10211.24.7

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 12% 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 (%)
14258
24159
33961
43862
53664
63466
73268
83169
92872
102773
112575
122476
132278
142080
151981
161783
171783
181684
191486
201387
211387
221387
231288
241189
251189
261189
271189
281090
29991
30991
31991

Chance of precipitation in May

Any precipitation

Bang Len gets around 148 mm of rain over 22.1 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 71% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
360
461
562
663
764
865
966
1068
1169
1270
1371
1472
1573
1673
1774
1874
1975
2075
2175
2275
2376
2476
2576
2677
2777
2877
2978
3078
3179

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112772
212673
302575
402575
502476
602476
702377
802377
902278
1002278
1102278
1202179
1302179
1402179
1502179
1602179
1702179
1802179
1902179
2002080
2102080
2202080
2302080
2401981
2501981
2601981
2701882
2801882
2901882
3001783
3101783

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:02 AM to 5:54 AM, and sunset from 6:31 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:026:31
212.56:016:32
312.56:016:32
412.56:006:32
512.56:006:32
612.55:596:32
712.65:596:33
812.65:596:33
912.65:586:33
1012.65:586:33
1112.65:586:34
1212.65:576:34
1312.65:576:34
1412.65:576:34
1512.65:566:35
1612.65:566:35
1712.75:566:35
1812.75:566:36
1912.75:556:36
2012.75:556:36
2112.75:556:36
2212.75:556:37
2312.75:556:37
2412.75:556:37
2512.75:546:38
2612.75:546:38
2712.75:546:38
2812.75:546:39
2912.75:546:39
3012.85:546:39
3112.85:546:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.64 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.24 kWh/m² in April across the year — May's 5.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Bang Len

In seasonPeak

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

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

Bang Len'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 Len?

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

1.6
Sightseeing
11th-best month of the year
3.6
Beach & pool
12th-best month of the year

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

What to pack for Bang Len in May

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

In May, Bang Len sees daytime highs around 36°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

UV index in Bang Len 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 Len peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 16UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Bang Len 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 Len is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 2382 µg/m³Jul 2443 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb81Unhealthy
Mar70Unhealthy
Apr64Unhealthy
May54Poor
Jun44Poor
Jul43Poor
Aug43Poor
Sep54Poor
Oct66Unhealthy
Nov67Unhealthy
Dec66Unhealthy
Location & terrain

Where is Bang Len?

Bang Len sits at 14.0°N, 100.2°E, 7 m above sea level, in Thailand. The nearest listed city is Nakhon Pathom, 26 km away.

Topography around Bang Len

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

Within 3 km, the terrain around Bang Len has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, significant variations in elevation — a maximum elevation change of 486 m.

The land around Bang Len is covered by cropland (31%) and grassland (24%) within 3 km, cropland (51%) within 16 km, and cropland (48%) and trees (22%) within 80 km.

3 km
12 m
16 km
42 m
80 km
486 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Nakhon Pathom 26 km · Bang Bua Thong 30 km · Sam Phran 33 km · Thawi Watthana 35 km · Pak Kret 37 km · Bang O 37 km · Pathum Thani 39 km · Ban Pong 39 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 Len (14.0219°, 100.1718°, elevation 7 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). 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).