Sepang weather in May

In May, Sepang sees average daytime highs of 31°C and overnight lows near 25°C, with 197 mm of rain across 26.1 wet days and about 12.1 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 5% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Sepang's 8th-clearest and 6th-windiest month. For the whole year in context, see Sepang's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
197 mm
26.1 wet days
Daylight
12 h 06 min
7:06 AM – 7:13 PM
Cloud cover
83%
8th clearest
Wind
6 km/h
6th windiest
Solar energy
5.14 kWh/m²
Travel score
2.8
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 Sepang reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How May really feels in Sepang

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.

Sepang 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
Jan30° / 24°17618.911.93.7
Feb31° / 24°12816.611.93.5
Mar31° / 25°18923.2123.0
Apr31° / 25°22426.412.12.7
May31° / 25°19726.112.12.8
Jun31° / 25°14521.612.23.2
Jul30° / 25°15522.912.13.3
Aug30° / 25°17024.512.13.1
Sep30° / 24°18925123.0
Oct30° / 24°23526.711.92.9
Nov30° / 24°33428.211.92.7
Dec30° / 24°26225.611.83.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% 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 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51189
61288
71387
81387
91387
101486
111486
121486
131486
141585
151585
161585
171684
181684
191684
201783
211783
221783
231882
241882
251783
261684
271684
281684
291684
301684
311684

Chance of precipitation in May

Any precipitation

Sepang gets around 197 mm of rain over 26.1 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 84% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
587
687
786
885
985
1084
1183
1282
1382
1482
1581
1681
1781
1882
1982
2082
2182
2283
2383
2483
2584
2684
2784
2884
2983
3082
3182

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1595
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22595
23595
24595
25595
26694
27694
28793
29793
30892
31892

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 06 min at the start of May to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 7:07 AM to 7:06 AM, and sunset from 7:13 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:077:13
212.17:077:13
312.17:077:13
412.17:077:13
512.17:077:13
612.17:077:13
712.17:067:13
812.17:067:13
912.17:067:13
1012.17:067:13
1112.17:067:13
1212.17:067:13
1312.17:067:13
1412.17:067:13
1512.17:067:13
1612.17:067:13
1712.17:067:13
1812.17:067:13
1912.17:067:13
2012.17:067:13
2112.17:067:13
2212.17:067:13
2312.17:067:14
2412.17:067:14
2512.17:067:14
2612.17:067:14
2712.17:067:14
2812.17:067:14
2912.17:067:14
3012.17:067:15
3112.17:067:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.82 kWh/m² in March across the year — May's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Sepang

In seasonPeak

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

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

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

Is May a good time to visit Sepang?

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

2.8
Sightseeing
10th-best month of the year
4.1
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Sepang.

What to pack for Sepang in May

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

In May, Sepang sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Sepang 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 16 km away) is warmest in May at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Sepang 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 Sepang peaks around February 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 13Nov 22UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec10Extreme

Air quality in Sepang 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 Sepang is worst in September — around 66 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorSep 1965 µg/m³Feb 1349 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb48Poor
Mar54Poor
Apr59Unhealthy
May55Unhealthy
Jun55Unhealthy
Jul57Unhealthy
Aug59Unhealthy
Sep66Unhealthy
Oct62Unhealthy
Nov55Poor
Dec51Poor
Location & terrain

Where is Sepang?

Sepang sits at 2.7°N, 101.7°E, 12 m above sea level, in Malaysia. The nearest listed city is Kampung Baharu Nilai, 13 km away.

Topography around Sepang

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

Within 3 km, the terrain around Sepang has only modest variations in elevation — a maximum elevation change of 98 m around an average of 23 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 632 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,745 m.

The land around Sepang is covered by trees (85%) within 3 km, trees (68%) within 16 km, and trees (49%) and water (40%) within 80 km.

3 km
98 m
16 km
632 m
80 km
1,745 m
treesgrasslandartificial surfacesbare terrainwatermangroves
May weather nearby: Kampung Baharu Nilai 13 km · Bandar Baru Salak Tinggi 13 km · Bandar Sri Sendayan 14 km · Lukut 16 km · Seremban 2 18 km · Port Dickson 19 km · Tanjung Sepat 21 km · Seremban 21 km

Malaysia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$13,125
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
22.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 581
Religion
Muslim 64%Buddhist 19%Christian 9%Hindu 6%

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 Sepang (2.6931°, 101.7498°, elevation 12 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).