Kui Buri weather in May

In May, Kui Buri sees average daytime highs of 33°C and overnight lows near 25°C, with 205 mm of rain across 26.8 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 6% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Kui Buri's 8th-clearest and 7th-windiest month. For the whole year in context, see Kui Buri's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
25°
12th coldest
Rainfall
205 mm
26.8 wet days
Daylight
12 h 36 min
6:00 AM – 6:33 PM
Cloud cover
82%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.44 kWh/m²
Travel score
2.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Kui Buri reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°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)
13425
23425
33425
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283225
293225
303225
313225

How May really feels in Kui 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
16 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.

Kui Buri weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°355.611.45.4
Feb32° / 22°245.111.64.8
Mar33° / 24°8112.611.93.5
Apr34° / 25°11518.712.32.5
May33° / 25°20526.812.52.1
Jun32° / 25°17725.312.72.4
Jul31° / 25°19626.512.62.6
Aug31° / 24°20226.612.42.6
Sep31° / 24°2472712.12.5
Oct30° / 24°26225.311.73.2
Nov30° / 23°7310.811.44.8
Dec30° / 22°214.111.35.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 84%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23367
33169
43070
52971
62674
72575
82377
92278
102179
112080
121981
131684
141684
151585
161387
171387
181288
191288
201189
211090
22991
23991
24991
25892
26892
27793
28793
29694
30694
31694

Chance of precipitation in May

Any precipitation

Kui Buri gets around 205 mm of rain over 26.8 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 86% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
178
279
380
481
581
682
783
883
984
1084
1185
1285
1386
1486
1586
1686
1787
1887
1987
2088
2188
2288
2389
2489
2589
2689
2789
2890
2990
3090
3190

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16139
26040
35941
45941
55842
65842
75743
85743
95743
105842
115842
125842
135941
145941
156040
166040
176139
186139
196139
206139
216139
226139
236139
246139
256040
266040
275941
285842
295842
305743
315644

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 42 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 6:05 AM to 5:58 AM, and sunset from 6:30 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:056:30
212.46:056:31
312.46:046:31
412.56:046:31
512.56:036:31
612.56:036:31
712.56:036:32
812.56:026:32
912.56:026:32
1012.56:026:32
1112.56:016:32
1212.56:016:33
1312.56:016:33
1412.56:016:33
1512.56:006:33
1612.66:006:33
1712.66:006:34
1812.66:006:34
1912.66:006:34
2012.65:596:34
2112.65:596:35
2212.65:596:35
2312.65:596:35
2412.65:596:36
2512.65:596:36
2612.65:596:36
2712.65:596:36
2812.65:596:37
2912.65:586:37
3012.65:586:37
3112.75:586:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.23 kWh/m² in April across the year — May's 5.44 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
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Kui Buri

In seasonPeak

In May, Kui Buri sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Kui Buri sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Kui Buri's rainy season runs May–October, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Kui Buri?

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

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

What to pack for Kui Buri in May

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

In May, Kui Buri sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Kui Buri in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in May at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Kui Buri in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kui Buri peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Kui 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 Kui Buri is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (September, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1025 µg/m³Sep 1211 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb24Moderate
Mar25Moderate
Apr26Moderate
May16Moderate
Jun12Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct14Moderate
Nov19Moderate
Dec20Moderate
Location & terrain

Where is Kui Buri?

Kui Buri sits at 12.1°N, 99.9°E, 15 m above sea level, in Thailand. The nearest listed city is Sam Roi Yot, 21 km away.

Tha YangBang SaphanPhetchaburi

Topography around Kui Buri

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

Within 3 km, the terrain around Kui Buri has only modest variations in elevation — a maximum elevation change of 24 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 617 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,303 m.

The land around Kui Buri is covered by trees (44%), grassland (23%) and cropland (20%) within 3 km, trees (46%) and water (24%) within 16 km, and trees (56%) and water (36%) within 80 km.

3 km
24 m
16 km
617 m
80 km
1,303 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Sam Roi Yot 21 km · Prachuap Khiri Khan 30 km · Pran Buri 34 km · Hua Hin 55 km · Cha-am 81 km · Tha Yang 97 km · Bang Saphan 104 km · Phetchaburi 115 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 Kui Buri (12.0828°, 99.8543°, elevation 15 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).