Wang Nam Yen weather in May

In May, Wang Nam Yen sees average daytime highs of 33°C and overnight lows near 26°C, with 174 mm of rain across 24.6 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 6th-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 6% 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 Wang Nam Yen's 8th-clearest and 9th-windiest month. For the whole year in context, see Wang Nam Yen's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
174 mm
24.6 wet days
Daylight
12 h 36 min
5:49 AM – 6:26 PM
Cloud cover
81%
8th clearest
Wind
8 km/h
9th windiest
Solar energy
5.39 kWh/m²
Travel score
2.3
out of 10

Wang Nam Yen is town in Sa Kaeo province, Thailand.

Founded
1980

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Wang Nam Yen reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°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 about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53426
63326
73326
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233226
243226
253226
263226
273226
283226
293226
303226
313226

How May really feels in Wang Nam Yen

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.

Wang Nam Yen weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°173.311.35.1
Feb33° / 22°244.311.64.1
Mar34° / 24°7111.811.93.0
Apr34° / 25°10617.912.32.4
May33° / 26°17424.612.62.3
Jun32° / 25°17625.112.82.5
Jul31° / 25°20227.412.72.6
Aug31° / 25°21927.612.42.5
Sep31° / 25°2622712.12.6
Oct31° / 24°17519.611.73.5
Nov31° / 23°316.111.44.9
Dec31° / 21°71.711.25.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 83%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23367
33268
43268
52971
62872
72773
82674
92476
102278
112278
122080
131882
141882
151684
161486
171387
181288
191189
201189
211090
22991
23991
24991
25991
26991
27892
28892
29793
30793
31793

Chance of precipitation in May

Any precipitation

Wang Nam Yen gets around 174 mm of rain over 24.6 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 80% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
170
271
372
472
573
674
775
876
977
1078
1179
1280
1380
1481
1582
1683
1783
1884
1984
2084
2184
2284
2384
2484
2584
2684
2784
2884
2984
3084
3185

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11585
21486
31387
41288
51288
61189
71090
81090
9991
10991
11892
12892
13892
14793
15793
16694
17694
18694
19595
20595
21595
22496
23496
24496
25397
26397
27397
28397
29397
30298
31298

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
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 5:54 AM to 5:47 AM, and sunset from 6:23 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:546:23
212.55:546:23
312.55:536:23
412.55:536:23
512.55:526:24
612.55:526:24
712.55:526:24
812.55:516:24
912.65:516:24
1012.65:516:25
1112.65:506:25
1212.65:506:25
1312.65:506:25
1412.65:496:26
1512.65:496:26
1612.65:496:26
1712.65:496:26
1812.65:486:27
1912.65:486:27
2012.75:486:27
2112.75:486:28
2212.75:486:28
2312.75:476:28
2412.75:476:28
2512.75:476:29
2612.75:476:29
2712.75:476:29
2812.75:476:30
2912.75:476:30
3012.75:476:30
3112.75:476:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.39 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.93 kWh/m² in April across the year — May's 5.39 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Wang Nam Yen

In seasonPeak

In May, Wang Nam Yen sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Wang Nam Yen's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Wang Nam Yen?

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

2.3
Sightseeing
12th-best month of the year
4.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Wang Nam Yen.

What to pack for Wang Nam Yen in May

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

In May, Wang Nam Yen sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Wang Nam Yen 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 Wang Nam Yen peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Wang Nam Yen 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 Wang Nam Yen is worst in February — around 40 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateFeb 1740 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb40Poor
Mar36Poor
Apr28Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep23Moderate
Oct23Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Wang Nam Yen?

Wang Nam Yen sits at 13.5°N, 102.2°E, 104 m above sea level, in Thailand. The nearest listed city is Sa Kaeo, 36 km away.

Topography around Wang Nam Yen

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Wang Nam Yen.

Within 3 km, the terrain around Wang Nam Yen has only modest variations in elevation — a maximum elevation change of 80 m around an average of 99 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,590 m.

The land around Wang Nam Yen is covered by trees (44%) and cropland (27%) within 3 km, cropland (52%) and trees (34%) within 16 km, and trees (56%) and cropland (38%) within 80 km.

3 km
80 m
16 km
259 m
80 km
1,590 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sa Kaeo 36 km · Aranyaprathet 40 km · Poipet 45 km · Ou Bei Choan 67 km · Kabin Buri 71 km · Na Di 80 km · Sisophon 86 km · Pailin 86 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 Wang Nam Yen (13.5048°, 102.1809°, elevation 104 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. 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).