Phibun Mangsahan weather in May

In May, Phibun Mangsahan sees average daytime highs of 34°C and overnight lows near 26°C, with 187 mm of rain across 23.3 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 33°C by the end. The sky is clear or mostly clear about 8% 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 Phibun Mangsahan's 8th-clearest and 10th-windiest month. For the whole year in context, see Phibun Mangsahan's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
187 mm
23.3 wet days
Daylight
12 h 42 min
5:34 AM – 6:17 PM
Cloud cover
80%
8th clearest
Wind
8 km/h
10th windiest
Solar energy
5.4 kWh/m²
Travel score
2.1
out of 10

Phibun Mangsahan is town in Ubon Ratchathani 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

Highs ease over the month, from about 34°C in the first days to 33°C by the end.

A typical May day in Phibun Mangsahan reaches about 34°C in the afternoon and slips back to 26°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13526
23526
33526
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153426
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Phibun Mangsahan

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.

Phibun Mangsahan weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°41.111.25.7
Feb33° / 21°71.611.54.5
Mar35° / 24°315.511.93.1
Apr35° / 26°7512.312.32.4
May34° / 26°18723.312.72.1
Jun32° / 26°23225.312.92.3
Jul31° / 25°30127.812.82.4
Aug31° / 25°32028.712.52.5
Sep31° / 25°28226.612.12.6
Oct31° / 24°12515.311.73.9
Nov31° / 22°354.411.35.2
Dec30° / 20°71.311.16.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
33961
43763
53565
63367
73169
82971
92773
102575
112377
122278
131981
141882
151783
161585
171585
181486
191387
201189
211189
221189
231189
241090
251090
261090
271090
281090
291090
301090
311090

Chance of precipitation in May

Any precipitation

Phibun Mangsahan gets around 187 mm of rain over 23.3 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 75% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
361
462
563
664
766
867
969
1070
1171
1273
1374
1475
1577
1678
1779
1879
1980
2081
2181
2281
2382
2482
2582
2682
2782
2883
2983
3083
3183

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
154847
244650
344452
434255
524058
623860
723662
813465
913267
1013168
1113069
1212871
1312772
1412673
1502575
1602476
1702278
1802179
1902080
2001981
2101882
2201783
2301684
2401585
2501486
2601387
2701288
2801189
2901090
300991
310892

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 8 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
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 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 5:40 AM to 5:32 AM, and sunset from 6:12 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:406:12
212.65:406:13
312.65:396:13
412.65:396:13
512.65:386:13
612.65:386:14
712.65:376:14
812.65:376:14
912.65:376:14
1012.65:366:15
1112.75:366:15
1212.75:356:15
1312.75:356:16
1412.75:356:16
1512.75:346:16
1612.75:346:17
1712.75:346:17
1812.75:346:17
1912.75:336:17
2012.75:336:18
2112.85:336:18
2212.85:336:18
2312.85:336:19
2412.85:326:19
2512.85:326:19
2612.85:326:20
2712.85:326:20
2812.85:326:20
2912.85:326:21
3012.85:326:21
3112.85:326:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.4 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.12 kWh/m² in April across the year — May's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Phibun Mangsahan

In seasonPeak

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

Phibun Mangsahan's monsoon runs May–September, 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 Phibun Mangsahan?

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

2.1
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 Phibun Mangsahan.

What to pack for Phibun Mangsahan in May

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

In May, Phibun Mangsahan sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Phibun Mangsahan 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 Phibun Mangsahan peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 12UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar11Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Phibun Mangsahan 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 Phibun Mangsahan is worst in March — around 61 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (December, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateMar 1759 µg/m³Dec 1315 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb42Poor
Mar61Unhealthy
Apr43Poor
May26Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep24Moderate
Oct24Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Phibun Mangsahan?

Phibun Mangsahan sits at 15.2°N, 105.2°E, 127 m above sea level, in Thailand. The nearest listed city is Warin Chamrap, 40 km away.

Amnat CharoenSi Sa Ket

Topography around Phibun Mangsahan

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

Within 3 km, the terrain around Phibun Mangsahan has only modest variations in elevation — a maximum elevation change of 49 m around an average of 124 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,332 m.

The land around Phibun Mangsahan is covered by trees (43%) and cropland (27%) within 3 km, cropland (66%) and trees (23%) within 16 km, and cropland (53%) and trees (37%) within 80 km.

3 km
49 m
16 km
54 m
80 km
1,332 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Warin Chamrap 40 km · Ubon Ratchathani 41 km · Det Udom 41 km · Pakse 63 km · Champasak 80 km · Kantharalak 92 km · Amnat Charoen 94 km · Si Sa Ket 98 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 Phibun Mangsahan (15.2447°, 105.2291°, elevation 127 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).