Wong Sawang weather in May

In May, Wong Sawang sees average daytime highs of 35°C and overnight lows near 28°C, with 130 mm of rain across 20.1 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 5th-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 Wong Sawang's 8th-clearest and 7th-windiest month. For the whole year in context, see Wong Sawang's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
28°
12th coldest
Rainfall
130 mm
20.1 wet days
Daylight
12 h 36 min
5:55 AM – 6:33 PM
Cloud cover
78%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.64 kWh/m²
Travel score
1.9
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 Wong Sawang reaches about 35°C in the afternoon and slips back to 28°C overnight — a 7°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 on par with April and about 1°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13528
23528
33528
43528
53528
63528
73528
83528
93528
103528
113528
123528
133528
143528
153528
163528
173528
183528
193428
203428
213428
223428
233428
243428
253428
263428
273428
283428
293428
303428
313428

How May really feels in Wong Sawang

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.

Wong Sawang weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°152.911.35.0
Feb33° / 24°132.811.54.3
Mar34° / 26°416.311.93.3
Apr35° / 28°6810.412.32.3
May35° / 28°13020.112.61.9
Jun34° / 27°12721.812.82.1
Jul33° / 27°13422.912.72.2
Aug33° / 27°14523.612.52.2
Sep33° / 26°23725.312.12.2
Oct32° / 26°19120.711.72.9
Nov32° / 24°426.411.44.2
Dec32° / 23°101.711.25.1

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 12% 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 (%)
14357
24159
34060
43862
53763
63466
73268
83169
92872
102773
112575
122377
132377
142080
152080
161981
171783
181783
191684
201585
211486
221486
231486
241387
251387
261387
271288
281189
291189
301090
31991

Chance of precipitation in May

Any precipitation

Wong Sawang gets around 130 mm of rain over 20.1 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 65% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
251
352
453
554
655
757
858
959
1061
1162
1263
1365
1466
1567
1668
1769
1870
1970
2071
2171
2271
2371
2472
2572
2672
2772
2872
2973
3073
3173

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11387
21387
31288
41288
51189
61189
71189
81090
91090
101090
111090
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
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 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 6:01 AM to 5:53 AM, and sunset from 6:30 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:016:30
212.56:006:30
312.56:006:30
412.55:596:30
512.55:596:31
612.55:586:31
712.65:586:31
812.65:586:31
912.65:576:31
1012.65:576:32
1112.65:576:32
1212.65:566:32
1312.65:566:32
1412.65:566:33
1512.65:556:33
1612.65:556:33
1712.65:556:34
1812.75:556:34
1912.75:546:34
2012.75:546:34
2112.75:546:35
2212.75:546:35
2312.75:546:35
2412.75:536:36
2512.75:536:36
2612.75:536:36
2712.75:536:37
2812.75:536:37
2912.75:536:37
3012.75:536:37
3112.75:536:38

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 4.62 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
135.6Bright
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 Wong Sawang

In seasonPeak

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

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

Wong Sawang's monsoon runs May–October, 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 Wong Sawang?

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

1.9
Sightseeing
12th-best month of the year
4.1
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Wong Sawang.

What to pack for Wong Sawang in May

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

In May, Wong Sawang sees daytime highs around 35°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 Wong Sawang 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 51 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 Wong Sawang 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 Wong Sawang peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 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 19UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Wong Sawang 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 Wong Sawang 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 Wong Sawang?

Wong Sawang sits at 13.8°N, 100.5°E, 2 m above sea level, in Thailand. The nearest listed city is Bang Sue, 2.0 km away.

Topography around Wong Sawang

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

Within 3 km, the terrain around Wong Sawang has only modest variations in elevation — a maximum elevation change of 12 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, large variations in elevation — a maximum elevation change of 695 m.

The land around Wong Sawang is covered by artificial surfaces (73%) and trees (20%) within 3 km, artificial surfaces (71%) and trees (21%) within 16 km, and cropland (35%) and water (24%) within 80 km.

3 km
12 m
16 km
52 m
80 km
695 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Bang Sue 2.0 km · Bang Sue subdistrict 2.0 km · Bang Phlat 3.0 km · Khwaeng Bang Plat 4.0 km · Chatuchak subdistrict 4.0 km · Dusit 4.0 km · Bang Kruai 5.0 km · Chatuchak 5.0 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 Wong Sawang (13.8167°, 100.5159°, elevation 2 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).