Serendah weather in May

In May, Serendah sees average daytime highs of 32°C and overnight lows near 24°C, with 187 mm of rain across 22.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 4% 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 12 min by month's end. Set against the rest of the year, May is Serendah's 8th-clearest and 6th-windiest month. For the whole year in context, see Serendah's year-round climate.

Daytime high
32°
4th warmest
Overnight low
24°
12th coldest
Rainfall
187 mm
22.9 wet days
Daylight
12 h 12 min
7:05 AM – 7:14 PM
Cloud cover
84%
8th clearest
Wind
6 km/h
6th windiest
Solar energy
5.29 kWh/m²
Travel score
2.7
out of 10

Serendah is human settlement in Malaysia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Serendah reaches about 32°C in the afternoon and slips back to 24°C overnight — a 7°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Serendah

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.

Serendah weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°22321.311.83.2
Feb32° / 24°16417.811.93.2
Mar32° / 24°22223.7122.7
Apr32° / 24°25126.812.12.4
May32° / 24°18722.912.22.7
Jun32° / 24°11217.612.23.1
Jul32° / 24°11216.912.23.2
Aug32° / 24°12818.212.13.1
Sep32° / 24°16520.3122.9
Oct31° / 24°2402411.92.8
Nov31° / 24°37027.311.82.6
Dec30° / 24°30025.811.82.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
4991
5991
6991
71090
81189
91189
101189
111189
121189
131288
141288
151288
161288
171387
181387
191387
201486
211486
221486
231585
241585
251486
261486
271486
281486
291486
301486
311486

Chance of precipitation in May

Any precipitation

Serendah gets around 187 mm of rain over 22.9 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 73% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
285
384
483
582
681
779
878
976
1075
1173
1272
1371
1470
1569
1668
1768
1868
1968
2069
2169
2269
2370
2470
2570
2671
2771
2871
2971
3070
3170

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1892
2892
3892
4892
5892
6991
7991
8991
91090
101090
111090
121189
131189
141189
151288
161288
171288
181387
191486
201486
211585
221684
231783
241882
251882
261981
272080
282179
292278
302377
312476

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 7:07 AM to 7:06 AM, and sunset from 7:14 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:077:14
212.17:077:14
312.17:077:14
412.17:077:14
512.17:077:14
612.17:067:14
712.17:067:14
812.17:067:14
912.17:067:14
1012.17:067:14
1112.17:067:14
1212.17:067:14
1312.17:057:14
1412.17:057:14
1512.27:057:14
1612.27:057:14
1712.27:057:14
1812.27:057:15
1912.27:057:15
2012.27:057:15
2112.27:057:15
2212.27:057:15
2312.27:057:15
2412.27:057:15
2512.27:057:15
2612.27:057:16
2712.27:057:16
2812.27:057:16
2912.27:057:16
3012.27:067:16
3112.27:067:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.29 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 5.94 kWh/m² in March across the year — May's 5.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Serendah

In seasonPeak

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

Serendah 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 Serendah?

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

2.7
Sightseeing
9th-best month of the year
4.4
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Serendah.

What to pack for Serendah in May

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

In May, Serendah sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Serendah 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 37 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
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Serendah 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 Serendah peaks around February 17 at about 14 (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 17UV 14Nov 22UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Extreme

Air quality in Serendah 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 Serendah is worst in September — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 23 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1538 µg/m³Nov 2224 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb34Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun29Moderate
Jul34Moderate
Aug34Moderate
Sep38Poor
Oct34Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Serendah?

Serendah sits at 3.4°N, 101.6°E, 42 m above sea level, in Malaysia. The nearest listed city is Rawang, 6.0 km away.

Topography around Serendah

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

Within 3 km, the terrain around Serendah has significant variations in elevation — a maximum elevation change of 373 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,477 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,155 m.

The land around Serendah is covered by trees (72%) within 3 km, trees (82%) within 16 km, and trees (72%) within 80 km.

3 km
373 m
16 km
1,477 m
80 km
2,155 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Rawang 6.0 km · Bukit Beruntung 8.0 km · Bandar Country Homes 9.0 km · Hulu Yam Lama 11 km · Ladang Seri Kundang 13 km · Kuang 13 km · Selayang Baru Utara 14 km · Kampung Setia 16 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 Serendah (3.3646°, 101.6041°, elevation 42 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).