Klaeng weather in May

In May, Klaeng sees average daytime highs of 31°C and overnight lows near 26°C, with 264 mm of rain across 26.9 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels miserable.

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 Klaeng's 8th-clearest and 6th-windiest month. For the whole year in context, see Klaeng's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
264 mm
26.9 wet days
Daylight
12 h 36 min
5:52 AM – 6:27 PM
Cloud cover
83%
8th clearest
Wind
8 km/h
6th windiest
Solar energy
4.99 kWh/m²
Travel score
2.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Klaeng reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126
313126

How May really feels in Klaeng

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.

Klaeng 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
Jan31° / 22°214.711.35.1
Feb31° / 24°306.211.64.8
Mar32° / 25°7713.611.93.9
Apr32° / 26°12018.712.33.1
May31° / 26°26426.912.62.5
Jun31° / 26°31027.512.72.5
Jul30° / 26°31429.312.72.5
Aug31° / 26°30528.812.42.6
Sep30° / 25°35628.612.12.5
Oct31° / 25°23222.711.73.2
Nov31° / 24°447.611.44.6
Dec31° / 23°112.411.35.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 85%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
32971
42773
52773
62575
72278
82179
92080
101981
111783
121684
131585
141486
151387
161288
171189
181090
191090
201090
21892
22892
23892
24892
25892
26793
27793
28793
29793
30793
31694

Chance of precipitation in May

Any precipitation

Klaeng gets around 264 mm of rain over 26.9 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 87% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
172
273
374
475
576
677
779
880
981
1082
1183
1285
1386
1487
1589
1690
1791
1892
1992
2093
2193
2294
2394
2494
2594
2694
2794
2894
2994
3094
3194

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
230100
240100
250100
260100
270100
280100
290100
300100
310100

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
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:57 AM to 5:50 AM, and sunset from 6:24 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:576:24
212.55:576:24
312.55:566:24
412.55:566:25
512.55:556:25
612.55:556:25
712.55:556:25
812.55:546:25
912.55:546:26
1012.55:546:26
1112.55:536:26
1212.65:536:26
1312.65:536:27
1412.65:536:27
1512.65:526:27
1612.65:526:27
1712.65:526:28
1812.65:526:28
1912.65:516:28
2012.65:516:28
2112.65:516:29
2212.65:516:29
2312.65:516:29
2412.65:516:29
2512.75:506:30
2612.75:506:30
2712.75:506:30
2812.75:506:31
2912.75:506:31
3012.75:506:31
3112.75:506:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.99 kWh/m².

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 5.78 kWh/m² in April across the year — May's 4.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Klaeng

In seasonPeak

In May, Klaeng sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Klaeng sits in the Pacific typhoon belt; the season peaks July–October.

Klaeng's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Klaeng?

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

2.5
Sightseeing
9th-best month of the year
3.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Klaeng.

What to pack for Klaeng in May

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

In May, Klaeng sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Klaeng in May

The nearest coast averages about 31°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 17 km away) is warmest in May at about 31°C and coldest in January near 28°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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Klaeng 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 Klaeng peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 14Dec 15UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Klaeng 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 Klaeng is worst in February — around 32 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1631 µg/m³Aug 1714 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb32Moderate
Mar27Moderate
Apr22Moderate
May16Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep15Moderate
Oct18Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Klaeng?

Klaeng sits at 12.8°N, 101.6°E, 11 m above sea level, in Thailand. The nearest listed city is Ban Phe, 28 km away.

Topography around Klaeng

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

Within 3 km, the terrain around Klaeng has only modest variations in elevation — a maximum elevation change of 41 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.

The land around Klaeng is covered by trees (58%) within 3 km, trees (71%) within 16 km, and trees (60%) and water (28%) within 80 km.

3 km
41 m
16 km
271 m
80 km
1,603 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Ban Phe 28 km · Tha Mai 42 km · Rayong 44 km · Chanthaburi 53 km · Laem Sing 57 km · Ban Chang 65 km · Ban Talat Bueng 77 km · Sattahip 82 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 Klaeng (12.78°, 101.6491°, elevation 11 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).