Na Klang weather in May

In May, Na Klang sees average daytime highs of 34°C and overnight lows near 26°C, with 172 mm of rain across 21.2 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 11% of the time in May, and the air most often feels oppressive.

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

Daytime high
34°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
172 mm
21.2 wet days
Daylight
12 h 48 min
5:43 AM – 6:32 PM
Cloud cover
78%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
5.36 kWh/m²
Travel score
2.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical May day in Na Klang 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 on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23525
33525
43526
53526
63526
73526
83426
93426
103426
113426
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263326
273326
283326
293326
303326
313326

How May really feels in Na Klang

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.

Na Klang 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
Jan29° / 17°71.211.16.9
Feb32° / 19°111.911.45.2
Mar34° / 22°345.611.93.4
Apr35° / 25°6510.812.42.3
May34° / 26°17221.212.82.2
Jun33° / 26°15519.4132.4
Jul32° / 26°18721.712.92.6
Aug32° / 25°25424.812.62.6
Sep31° / 25°2622412.12.8
Oct31° / 23°11813.511.64.3
Nov30° / 20°233.311.26.1
Dec28° / 17°71117.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% 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 (%)
14555
24456
34258
44159
54060
63862
73763
83466
93367
103169
113070
122872
132674
142476
152278
162080
171981
181783
191684
201585
211486
221387
231288
241189
251090
261090
271090
281090
29991
30991
31991

Chance of precipitation in May

Any precipitation

Na Klang gets around 172 mm of rain over 21.2 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 68% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
255
356
457
558
659
760
861
962
1063
1165
1266
1366
1467
1568
1669
1770
1871
1972
2072
2173
2274
2374
2475
2575
2676
2776
2876
2977
3077
3177

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
1117811
2107812
3107614
497615
587517
687319
777221
867123
957025
1056728
1146630
1246432
1346234
1436136
1535938
1635740
1725642
1825444
1925246
2015148
2114949
2214851
2314653
2414554
2514356
2604258
2704159
2804060
2903961
3003862
3103763

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:50 AM to 5:40 AM, and sunset from 6:27 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:506:27
212.65:496:27
312.65:496:28
412.75:486:28
512.75:486:28
612.75:476:28
712.75:476:29
812.75:466:29
912.75:466:29
1012.75:466:30
1112.75:456:30
1212.85:456:30
1312.85:446:31
1412.85:446:31
1512.85:446:31
1612.85:436:32
1712.85:436:32
1812.85:436:32
1912.85:426:33
2012.95:426:33
2112.95:426:34
2212.95:426:34
2312.95:416:34
2412.95:416:35
2512.95:416:35
2612.95:416:35
2712.95:416:36
2812.95:406:36
2912.95:406:36
3012.95:406:37
3112.95:406:37

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.36 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.01 kWh/m² in April across the year — May's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
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
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Na Klang

In seasonPeak

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

Na Klang'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 Na Klang?

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
10th-best month of the year

May is a weaker month for outdoor sightseeing in Na Klang.

What to pack for Na Klang in May

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

In May, Na Klang 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 Na Klang 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 Na Klang peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 15UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Na Klang 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 Na Klang is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (July, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1861 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb45Poor
Mar63Unhealthy
Apr50Poor
May28Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep23Moderate
Oct25Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Na Klang?

Na Klang sits at 17.3°N, 102.2°E, 253 m above sea level, in Thailand. The nearest listed city is Erawan, 25 km away.

Topography around Na Klang

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

Within 3 km, the terrain around Na Klang has only modest variations in elevation — a maximum elevation change of 97 m around an average of 250 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,440 m.

The land around Na Klang is covered by cropland (60%) and trees (28%) within 3 km, cropland (68%) and trees (26%) within 16 km, and trees (51%) and cropland (43%) within 80 km.

3 km
97 m
16 km
371 m
80 km
1,440 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Erawan 25 km · Nong Bua Lamphu 29 km · Kut Chap 42 km · Wang Saphung 45 km · Nam Som 52 km · Loei 53 km · Phu Kradueng 57 km · Udon Thani 64 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 Na Klang (17.3072°, 102.1889°, elevation 253 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).