Wang Saphung weather in May

In May, Wang Saphung sees average daytime highs of 32°C and overnight lows near 24°C, with 214 mm of rain across 23.9 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Wang Saphung's 8th-clearest and 10th-windiest month. For the whole year in context, see Wang Saphung's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
214 mm
23.9 wet days
Daylight
12 h 48 min
5:45 AM – 6:33 PM
Cloud cover
79%
8th clearest
Wind
5 km/h
10th windiest
Solar energy
5.28 kWh/m²
Travel score
2.6
out of 10

Wang Saphung is town in Loei province, Thailand.

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 32°C through the month.

A typical May day in Wang Saphung reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Wang Saphung

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
heat index over the day's high
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 Saphung weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°132.211.17.7
Feb30° / 18°18311.46.0
Mar32° / 21°588.911.94.1
Apr33° / 23°10816.112.43.0
May32° / 24°21423.912.82.6
Jun32° / 24°16720.7132.9
Jul31° / 24°18522.212.93.0
Aug30° / 24°25125.112.62.9
Sep30° / 24°25024.412.13.1
Oct29° / 22°12214.411.64.8
Nov28° / 19°253.611.27.1
Dec27° / 17°101.6118.2

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 11% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24159
33961
43862
53763
63565
73268
83169
92971
102773
112575
122476
132179
141981
151882
161783
171585
181486
191288
201288
211090
221090
231090
241090
25892
26892
27892
28892
29892
30892
31694

Chance of precipitation in May

Any precipitation

Wang Saphung gets around 214 mm of rain over 23.9 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 77% 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 (%)
171
272
373
473
574
674
775
875
976
1076
1177
1277
1378
1478
1578
1678
1778
1879
1979
2079
2179
2279
2379
2479
2579
2679
2779
2879
2979
3079
3179

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
110873
210864
39874
48875
58866
67867
77867
86868
96859
1058510
1158411
1248412
1348313
1448313
1548214
1638314
1738215
1838215
1928315
2028216
2128216
2228216
2328216
2418316
2518316
2618316
2718217
2818217
2918217
3008317
3108317

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 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 5:52 AM to 5:42 AM, and sunset from 6:29 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:526:29
212.65:516:29
312.65:516:29
412.75:506:29
512.75:506:30
612.75:496:30
712.75:496:30
812.75:486:31
912.75:486:31
1012.75:476:31
1112.75:476:32
1212.85:466:32
1312.85:466:32
1412.85:466:33
1512.85:456:33
1612.85:456:33
1712.85:456:34
1812.85:446:34
1912.85:446:34
2012.95:446:35
2112.95:436:35
2212.95:436:36
2312.95:436:36
2412.95:436:36
2512.95:436:37
2612.95:426:37
2712.95:426:37
2812.95:426:38
2912.95:426:38
3012.95:426:38
3112.95:426:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.98 kWh/m² in April across the year — May's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Wang Saphung

In seasonPeak

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

Wang Saphung's monsoon runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Wang Saphung?

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

2.6
Sightseeing
12th-best month of the year
4.3
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Wang Saphung.

What to pack for Wang Saphung in May

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

In May, Wang Saphung sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Wang Saphung in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (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 Saphung peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 13UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Wang Saphung 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 Saphung is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (July, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1861 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb45Poor
Mar63Unhealthy
Apr50Poor
May28Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep23Moderate
Oct25Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Wang Saphung?

Wang Saphung sits at 17.3°N, 101.8°E, 254 m above sea level, in Thailand. The nearest listed city is Erawan, 20 km away.

Topography around Wang Saphung

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

Within 3 km, the terrain around Wang Saphung has only modest variations in elevation — a maximum elevation change of 147 m around an average of 260 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 399 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,456 m.

The land around Wang Saphung is covered by trees (47%) and cropland (29%) within 3 km, trees (53%) and cropland (40%) within 16 km, and trees (62%) and cropland (28%) within 80 km.

3 km
147 m
16 km
399 m
80 km
1,456 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Erawan 20 km · Loei 22 km · Na Klang 45 km · Phu Kradueng 48 km · Nam Som 69 km · Nong Bua Lamphu 72 km · Lom Sak 81 km · Kut Chap 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 Saphung (17.301°, 101.7685°, elevation 254 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).