Ban Nong Wua So weather in May

In May, Ban Nong Wua So sees average daytime highs of 34°C and overnight lows near 26°C, with 189 mm of rain across 20.8 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 12% 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 Ban Nong Wua So's 8th-clearest and 11th-windiest month. For the whole year in context, see Ban Nong Wua So's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
189 mm
20.8 wet days
Daylight
12 h 48 min
5:39 AM – 6:28 PM
Cloud cover
77%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
5.34 kWh/m²
Travel score
2.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 33°C by the end.

A typical May day in Ban Nong Wua So 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 37°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)
13526
23526
33526
43526
53526
63526
73526
83526
93426
103426
113426
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Ban Nong Wua So

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.

Ban Nong Wua So weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°71.311.16.7
Feb32° / 19°11211.45.2
Mar34° / 23°325.511.93.4
Apr35° / 25°629.912.42.4
May34° / 26°18920.812.82.2
Jun33° / 26°18822.1132.3
Jul32° / 26°24224.512.92.5
Aug31° / 25°30726.612.62.5
Sep31° / 25°26223.612.12.8
Oct31° / 23°8810.911.64.3
Nov30° / 21°212.811.25.8
Dec29° / 18°51117.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24456
34357
44258
54060
63862
73763
83565
93367
103169
112971
122872
132674
142377
152278
162179
171981
181882
191783
201585
211585
221486
231288
241189
251189
261189
271090
281090
291090
30991
31991

Chance of precipitation in May

Any precipitation

Ban Nong Wua So gets around 189 mm of rain over 20.8 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 66% and peaks near 80% 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
656
757
858
960
1061
1162
1263
1364
1465
1566
1667
1768
1869
1970
2071
2172
2273
2374
2475
2576
2677
2778
2879
2979
3080
3180

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11107019
21106821
3196723
4186625
5176527
6176329
7166132
8165835
9155737
10155440
11145342
12145045
13144947
14144749
15134551
16134353
17134254
18034057
19023860
20023761
21023662
22023464
23023365
24013168
25012970
26012871
27012673
28012475
29012376
30012178
31012079

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 5:46 AM to 5:36 AM, and sunset from 6:23 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:23
212.65:456:23
312.65:456:23
412.75:446:24
512.75:446:24
612.75:436:24
712.75:436:25
812.75:426:25
912.75:426:25
1012.75:416:26
1112.75:416:26
1212.85:416:26
1312.85:406:27
1412.85:406:27
1512.85:396:27
1612.85:396:28
1712.85:396:28
1812.85:396:28
1912.85:386:29
2012.85:386:29
2112.95:386:29
2212.95:376:30
2312.95:376:30
2412.95:376:30
2512.95:376:31
2612.95:376:31
2712.95:376:31
2812.95:366:32
2912.95:366:32
3012.95:366:33
3112.95:366:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.34 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.07 kWh/m² in April across the year — May's 5.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Ban Nong Wua So

In seasonPeak

In May, Ban Nong Wua So sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Ban Nong Wua So'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 Ban Nong Wua So?

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

2.2
Sightseeing
12th-best month of the year
4.3
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Ban Nong Wua So.

What to pack for Ban Nong Wua So in May

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

In May, Ban Nong Wua So sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Ban Nong Wua So 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 Ban Nong Wua So peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 11UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Ban Nong Wua So 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 Ban Nong Wua So is worst in March — around 54 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1853 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb39Poor
Mar54Poor
Apr43Poor
May30Moderate
Jun24Moderate
Jul23Moderate
Aug24Moderate
Sep24Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Ban Nong Wua So?

Ban Nong Wua So sits at 17.3°N, 103.2°E, 181 m above sea level, in Thailand. The nearest listed city is Ban Phan Don, 30 km away.

Topography around Ban Nong Wua So

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ban Nong Wua So.

Within 3 km, the terrain around Ban Nong Wua So has only modest variations in elevation — a maximum elevation change of 32 m around an average of 182 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, significant variations in elevation — a maximum elevation change of 519 m.

The land around Ban Nong Wua So is covered by cropland (78%) within 3 km, cropland (74%) within 16 km, and cropland (64%) and trees (30%) within 80 km.

3 km
32 m
16 km
130 m
80 km
519 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ban Phan Don 30 km · Sawang Daen Din 34 km · Warichaphum 44 km · Ban Dung 48 km · Udon Thani 49 km · Nong Kung Si 69 km · Kut Chap 72 km · Nong Bua Lamphu 84 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 Ban Nong Wua So (17.2675°, 103.2247°, elevation 181 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).