Wichian Buri weather in May

In May, Wichian Buri sees average daytime highs of 35°C and overnight lows near 26°C, with 199 mm of rain across 23.7 wet days and about 12.7 hours of daylight. It is the 3rd-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 11% of the time in May, and the air most often feels miserable.

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 Wichian Buri's 8th-clearest and 10th-windiest month. For the whole year in context, see Wichian Buri's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
199 mm
23.7 wet days
Daylight
12 h 42 min
5:50 AM – 6:34 PM
Cloud cover
76%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
5.58 kWh/m²
Travel score
1.8
out of 10

Wichian Buri is town in Phetchabun province, Thailand.

Founded
1956

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 35°C through the month.

A typical May day in Wichian Buri reaches about 35°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 32°C and 37°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)
13626
23526
33526
43526
53526
63526
73526
83526
93526
103526
113526
123526
133526
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426
313426

How May really feels in Wichian Buri

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.

Wichian Buri 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
Jan32° / 20°92.211.25.1
Feb34° / 22°173.511.53.8
Mar36° / 24°417.111.92.5
Apr36° / 26°7512.912.31.8
May35° / 26°19923.712.71.8
Jun33° / 26°21925.412.92.0
Jul32° / 25°24426.712.82.2
Aug32° / 25°28428.412.52.2
Sep32° / 25°27426.612.12.4
Oct32° / 24°12315.311.63.6
Nov32° / 22°25411.34.8
Dec31° / 20°71.111.15.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24555
34357
44159
54060
63862
73763
83565
93268
103070
112971
122773
132575
142377
152179
161981
171882
181783
191684
201585
211486
221486
231387
241387
251387
261288
271189
281189
291189
301189
311090

Chance of precipitation in May

Any precipitation

Wichian Buri gets around 199 mm of rain over 23.7 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 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
161
263
365
466
567
669
770
871
973
1074
1175
1277
1378
1479
1579
1680
1780
1881
1981
2081
2181
2281
2382
2482
2582
2682
2782
2882
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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
134453
234255
324058
423860
523563
623365
723266
823068
912871
1012673
1112574
1212376
1312277
1412178
1512079
1611980
1711881
1801783
1901684
2001585
2101585
2201486
2301387
2401387
2501288
2601288
2701288
2801189
2901189
3001189
3101090

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:56 AM to 5:47 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)
112.65:566:29
212.65:566:30
312.65:556:30
412.65:556:30
512.65:546:30
612.65:546:31
712.65:536:31
812.65:536:31
912.75:526:32
1012.75:526:32
1112.75:526:32
1212.75:516:32
1312.75:516:33
1412.75:516:33
1512.75:506:33
1612.75:506:34
1712.75:506:34
1812.75:496:34
1912.85:496:35
2012.85:496:35
2112.85:496:35
2212.85:496:36
2312.85:486:36
2412.85:486:36
2512.85:486:37
2612.85:486:37
2712.85:486:37
2812.85:486:38
2912.85:476:38
3012.85:476:38
3112.95:476:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.58 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.25 kWh/m² in April across the year — May's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Wichian Buri

In seasonPeak

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

Wichian Buri'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 Wichian Buri?

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

1.8
Sightseeing
11th-best month of the year
3.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Wichian Buri.

What to pack for Wichian Buri in May

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

In May, Wichian Buri sees daytime highs around 35°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Wichian Buri 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 Wichian Buri peaks around August 14 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 14UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Wichian Buri 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 Wichian Buri is worst in March — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1544 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb40Poor
Mar44Poor
Apr37Poor
May27Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep22Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Wichian Buri?

Wichian Buri sits at 15.7°N, 101.1°E, 72 m above sea level, in Thailand. The nearest listed city is Nong Phai, 37 km away.

Taphan Hin

Topography around Wichian Buri

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

Within 3 km, the terrain around Wichian Buri has only modest variations in elevation — a maximum elevation change of 28 m around an average of 72 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 410 m; within 80 km, large variations in elevation — a maximum elevation change of 1,087 m.

The land around Wichian Buri is covered by cropland (67%) within 3 km, cropland (78%) within 16 km, and cropland (68%) and trees (28%) within 80 km.

3 km
28 m
16 km
410 m
80 km
1,087 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Nong Phai 37 km · Chai Badan 51 km · Chon Daen 65 km · Thap Khlo 78 km · Phetchabun 85 km · Dan Khun Thot 87 km · Bang Mun Nak 88 km · Taphan Hin 96 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 Wichian Buri (15.6578°, 101.106°, elevation 72 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).