Pak Chong weather in May

In May, Pak Chong sees average daytime highs of 32°C and overnight lows near 24°C, with 168 mm of rain across 22.4 wet days and about 12.7 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 8% of the time in May, and the air most often feels oppressive.

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

Daytime high
32°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
168 mm
22.4 wet days
Daylight
12 h 42 min
5:50 AM – 6:31 PM
Cloud cover
80%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
5.5 kWh/m²
Travel score
2.8
out of 10

Pak Chong is town in Nakhon Ratchasima 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 32°C through the month.

A typical May day in Pak Chong reaches about 32°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Pak Chong

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.

Pak Chong 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
Jan29° / 18°15311.26.7
Feb31° / 20°214.111.55.4
Mar32° / 22°7210.511.93.9
Apr33° / 24°11216.312.33.1
May32° / 24°16822.412.72.8
Jun31° / 24°13622.612.92.9
Jul30° / 24°14923.512.83.1
Aug30° / 24°17525.512.53.0
Sep30° / 24°25325.212.13.0
Oct29° / 23°13916.211.74.5
Nov29° / 21°26511.36.3
Dec28° / 18°71.711.17.6

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 10% of May, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23664
33565
43268
53169
62971
72872
82575
92476
102377
112179
121981
131882
141783
151585
161585
171486
181387
191387
201189
211090
221090
231090
241090
251090
26991
27991
28991
29991
30991
31991

Chance of precipitation in May

Any precipitation

Pak Chong gets around 168 mm of rain over 22.4 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 72% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
267
368
469
569
670
770
870
971
1071
1172
1272
1373
1473
1573
1673
1773
1873
1973
2073
2173
2273
2373
2473
2573
2673
2773
2874
2974
3075
3175

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
146927
237027
337027
437027
527028
627028
727028
826929
917029
1017029
1117029
1217128
1317128
1417128
1517227
1617326
1707426
1807525
1907525
2007525
2107624
2207624
2307723
2407723
2507723
2607723
2707822
2807822
2907723
3007723
3107723

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 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
137calm
147calm
157calm
167calm
177calm
187calm
197calm
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 5:56 AM to 5:48 AM, and sunset from 6:27 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:566:27
212.55:556:27
312.55:556:28
412.65:556:28
512.65:546:28
612.65:546:28
712.65:536:29
812.65:536:29
912.65:526:29
1012.65:526:29
1112.65:526:30
1212.65:516:30
1312.75:516:30
1412.75:516:30
1512.75:506:31
1612.75:506:31
1712.75:506:31
1812.75:506:32
1912.75:496:32
2012.75:496:32
2112.75:496:33
2212.75:496:33
2312.75:496:33
2412.85:486:33
2512.85:486:34
2612.85:486:34
2712.85:486:34
2812.85:486:35
2912.85:486:35
3012.85:486:35
3112.85:486:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.04 kWh/m² in April across the year — May's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in May

Hazard calendar for Pak Chong

In seasonPeak

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

Pak Chong'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 Pak Chong?

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

2.8
Sightseeing
12th-best month of the year
4.5
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Pak Chong.

What to pack for Pak Chong in May

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

In May, Pak Chong sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Pak Chong in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pak Chong peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 14Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May10Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Pak Chong 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 Pak Chong is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (November, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1446 µg/m³Nov 2323 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb44Poor
Mar47Poor
Apr40Poor
May32Moderate
Jun26Moderate
Jul26Moderate
Aug26Moderate
Sep27Moderate
Oct27Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Pak Chong?

Pak Chong sits at 14.7°N, 101.4°E, 307 m above sea level, in Thailand. The nearest listed city is Amphoe Sikhiu, 38 km away.

Topography around Pak Chong

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

Within 3 km, the terrain around Pak Chong has significant variations in elevation — a maximum elevation change of 258 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 470 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,339 m.

The land around Pak Chong is covered by trees (51%) within 3 km, trees (44%) and cropland (37%) within 16 km, and cropland (49%) and trees (44%) within 80 km.

3 km
258 m
16 km
470 m
80 km
1,339 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Amphoe Sikhiu 38 km · Kaeng Khoi 47 km · Saraburi 57 km · Nakhon Nayok 60 km · Chai Badan 63 km · Phra Phutthabat 67 km · Dan Khun Thot 67 km · Ban Phra 68 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 Pak Chong (14.708°, 101.4161°, elevation 307 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).