Chok Chai weather in May

In May, Chok Chai sees average daytime highs of 35°C and overnight lows near 26°C, with 115 mm of rain across 18.6 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 4th-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 9% 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 Chok Chai's 8th-clearest and 8th-windiest month. For the whole year in context, see Chok Chai's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
115 mm
18.6 wet days
Daylight
12 h 42 min
5:47 AM – 6:28 PM
Cloud cover
79%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
5.57 kWh/m²
Travel score
2.0
out of 10

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 Chok Chai reaches about 35°C in the afternoon and slips back to 26°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 38°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)
13626
23626
33626
43526
53526
63526
73526
83526
93526
103526
113526
123526
133526
143526
153526
163526
173526
183526
193526
203526
213526
223526
233526
243526
253526
263526
273526
283526
293526
303526
313526

How May really feels in Chok Chai

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.

Chok Chai 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
Jan31° / 19°61.311.25.6
Feb33° / 21°81.811.54.2
Mar35° / 24°366.411.92.6
Apr36° / 26°6111.812.31.9
May35° / 26°11518.612.72.0
Jun34° / 26°10118.512.92.1
Jul33° / 26°11320.612.82.3
Aug33° / 25°14221.512.52.4
Sep32° / 25°21523.712.12.6
Oct31° / 24°13316.511.73.7
Nov31° / 22°294.811.35.0
Dec30° / 19°51.411.15.9

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 10% 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 (%)
14060
23862
33664
43664
53466
63268
73070
82872
92674
102575
112476
122179
132080
141981
151882
161783
171585
181585
191486
201387
211288
221189
231189
241090
251090
261090
271090
28991
29892
30892
31892

Chance of precipitation in May

Any precipitation

Chok Chai gets around 115 mm of rain over 18.6 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 60% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
253
354
455
556
657
758
859
960
1060
1161
1261
1361
1462
1562
1662
1762
1862
1962
2061
2161
2261
2361
2461
2561
2661
2762
2862
2963
3063
3164

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
167420
267222
367123
457025
556926
656827
746828
846630
946531
1036631
1136532
1236433
1336433
1426533
1526533
1626533
1716633
1816633
1916633
2016633
2106733
2206832
2306832
2406931
2506931
2606931
2707030
2807030
2907030
3007030
3106931

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 9 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
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:53 AM to 5:45 AM, and sunset from 6:24 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:536:24
212.55:526:24
312.55:526:25
412.65:526:25
512.65:516:25
612.65:516:25
712.65:506:26
812.65:506:26
912.65:496:26
1012.65:496:26
1112.65:496:27
1212.65:486:27
1312.75:486:27
1412.75:486:27
1512.75:476:28
1612.75:476:28
1712.75:476:28
1812.75:476:29
1912.75:466:29
2012.75:466:29
2112.75:466:30
2212.75:466:30
2312.75:466:30
2412.85:456:30
2512.85:456:31
2612.85:456:31
2712.85:456:31
2812.85:456:32
2912.85:456:32
3012.85:456:32
3112.85:456:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.03 kWh/m² in April across the year — May's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Chok Chai

In seasonPeak

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

Chok Chai'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 Chok Chai?

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

2.0
Sightseeing
11th-best month of the year
4.2
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Chok Chai.

What to pack for Chok Chai in May

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

In May, Chok Chai sees daytime highs around 35°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Chok Chai 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 Chok Chai peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 highExtremeExtremeVery highAug 13UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May10Very high
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Chok Chai 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 Chok Chai is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (June, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1346 µg/m³Jun 2222 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb43Poor
Mar47Poor
Apr37Poor
May28Moderate
Jun22Moderate
Jul23Moderate
Aug24Moderate
Sep27Moderate
Oct29Moderate
Nov25Moderate
Dec24Moderate
Location & terrain

Where is Chok Chai?

Chok Chai sits at 14.7°N, 102.2°E, 195 m above sea level, in Thailand. The nearest listed city is Khon Buri, 24 km away.

Topography around Chok Chai

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

Within 3 km, the terrain around Chok Chai has only modest variations in elevation — a maximum elevation change of 24 m around an average of 190 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,289 m.

The land around Chok Chai is covered by cropland (59%) and trees (23%) within 3 km, cropland (74%) within 16 km, and cropland (59%) and trees (36%) within 80 km.

3 km
24 m
16 km
129 m
80 km
1,289 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Khon Buri 24 km · Nakhon Ratchasima 28 km · Non Sung 51 km · Amphoe Sikhiu 53 km · Ban Huai Thalaeng 59 km · Nang Rong 68 km · Dan Khun Thot 68 km · Na Di 80 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 Chok Chai (14.7284°, 102.1652°, elevation 195 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).