Selama weather in May

In May, Selama sees average daytime highs of 31°C and overnight lows near 23°C, with 289 mm of rain across 27.4 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 6th-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 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Selama's 8th-clearest and 6th-windiest month. For the whole year in context, see Selama's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
23°
12th coldest
Rainfall
289 mm
27.4 wet days
Daylight
12 h 12 min
7:06 AM – 7:21 PM
Cloud cover
88%
8th clearest
Wind
4 km/h
6th windiest
Solar energy
5.07 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 Selama reaches about 31°C in the afternoon and slips back to 23°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 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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How May really feels in Selama

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.

Selama weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°24622.511.73.3
Feb31° / 23°21319.511.83.2
Mar31° / 23°30326.1122.7
Apr31° / 23°36028.612.12.4
May31° / 23°28927.412.22.5
Jun31° / 23°17221.212.33.1
Jul31° / 23°17621.312.33.2
Aug31° / 23°21322.712.23.1
Sep30° / 23°28526.4122.8
Oct30° / 23°43929.211.92.7
Nov30° / 23°50528.611.82.7
Dec30° / 23°36825.511.73.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 5% of May, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7694
8694
9694
10793
11793
12793
13793
14694
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29694
30694
31694

Chance of precipitation in May

Any precipitation

Selama gets around 289 mm of rain over 27.4 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 88% and peaks near 95% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
394
494
593
692
791
890
989
1089
1188
1287
1386
1486
1586
1686
1785
1886
1986
2086
2186
2286
2387
2487
2587
2686
2786
2886
2985
3084
3184

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
Oppressive (%)Miserable (%)
15248
25248
35248
45248
55248
65248
75248
85248
95248
105347
115347
125446
135545
145545
155644
165644
175743
185842
195842
205941
216040
226139
236238
246337
256337
266436
276535
286535
296634
306634
316733

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 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 7:09 AM to 7:06 AM, and sunset from 7:20 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:097:20
212.27:097:20
312.27:097:20
412.27:087:20
512.27:087:20
612.27:087:20
712.27:087:20
812.27:077:20
912.27:077:20
1012.27:077:20
1112.27:077:20
1212.27:077:20
1312.27:077:20
1412.27:077:20
1512.27:067:20
1612.27:067:21
1712.27:067:21
1812.27:067:21
1912.27:067:21
2012.27:067:21
2112.37:067:21
2212.37:067:21
2312.37:067:22
2412.37:067:22
2512.37:067:22
2612.37:067:22
2712.37:067:22
2812.37:067:22
2912.37:067:23
3012.37:067:23
3112.37:067:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.07 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 5.62 kWh/m² in March across the year — May's 5.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
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 Selama

In seasonPeak

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

Selama 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 Selama?

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

2.5
Sightseeing
11th-best month of the year
3.8
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Selama.

What to pack for Selama in May

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

In May, Selama sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Selama 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 December 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
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Selama 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 Selama peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 14Jul 15UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Selama 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 Selama is worst in March — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1631 µg/m³Nov 2026 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb29Moderate
Mar31Moderate
Apr28Moderate
May27Moderate
Jun28Moderate
Jul31Moderate
Aug29Moderate
Sep30Moderate
Oct30Moderate
Nov26Moderate
Dec27Moderate
Location & terrain

Where is Selama?

Selama sits at 5.2°N, 100.7°E, 24 m above sea level, in Malaysia. The nearest listed city is Kulim, 21 km away.

Topography around Selama

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

Within 3 km, the terrain around Selama has only modest variations in elevation — a maximum elevation change of 78 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 921 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,835 m.

The land around Selama is covered by trees (88%) within 3 km, trees (94%) within 16 km, and trees (63%) and water (27%) within 80 km.

3 km
78 m
16 km
921 m
80 km
1,835 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Kulim 21 km · Jawi 22 km · Sungai Jawi 22 km · Val Dor 23 km · Bandar Baharu 24 km · Parit Buntar 25 km · Nibong Tebal 25 km · Bukit Tambun 26 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 Selama (5.2236°, 100.6926°, elevation 24 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).