Masai weather in May

In May, Masai sees average daytime highs of 31°C and overnight lows near 26°C, with 220 mm of rain across 28.3 wet days and about 12.1 hours of daylight. It is the 2nd-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 6% 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 Masai's 7th-clearest and 11th-windiest month. For the whole year in context, see Masai's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
26°
12th coldest
Rainfall
220 mm
28.3 wet days
Daylight
12 h 06 min
6:59 AM – 7:03 PM
Cloud cover
79%
7th clearest
Wind
7 km/h
11th windiest
Solar energy
4.76 kWh/m²
Travel score
2.7
out of 10

Masai is suburb in Johor Bahru, Johor, 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 31°C through the month.

A typical May day in Masai 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 29°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)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253026
263026
273026
283026
293026
303026
313026

How May really feels in Masai

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.

Masai weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°22021.211.93.9
Feb30° / 25°12216.2124.0
Mar30° / 25°19823123.3
Apr31° / 25°23327.3122.7
May31° / 26°22028.312.12.7
Jun30° / 26°18324.612.13.1
Jul30° / 25°16823.712.13.4
Aug30° / 25°17024.5123.3
Sep30° / 25°17723.7123.3
Oct30° / 25°24126.7123.0
Nov30° / 25°33828.311.92.7
Dec29° / 25°32727.411.93.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71684
81684
91684
101783
111783
121783
131783
141981
151981
162080
172080
182080
192179
202278
212278
222278
232278
242278
252278
262278
272179
282179
292080
302080
312080

Chance of precipitation in May

Any precipitation

Masai gets around 220 mm of rain over 28.3 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 91% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
494
594
694
793
893
992
1091
1191
1290
1390
1489
1589
1689
1789
1889
1989
2089
2189
2289
2389
2489
2590
2690
2790
2890
2989
3089
3189

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 100% 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
40100
50100
60100
70100
80100
90100
100100
110100
120100
130100
140100
150100
160100
170100
180100
190100
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 7:00 AM to 6:59 AM, and sunset from 7:03 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:007:03
212.17:007:03
312.17:007:03
412.17:007:03
512.17:007:03
612.16:597:03
712.16:597:03
812.16:597:03
912.16:597:03
1012.16:597:03
1112.16:597:03
1212.16:597:03
1312.16:597:03
1412.16:597:03
1512.16:597:03
1612.16:597:03
1712.16:597:03
1812.16:597:03
1912.16:597:03
2012.16:597:03
2112.16:597:03
2212.16:597:03
2312.16:597:03
2412.16:597:03
2512.16:597:03
2612.16:597:04
2712.16:597:04
2812.16:597:04
2912.16:597:04
3012.16:597:04
3112.16:597:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.76 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 5.4 kWh/m² in March across the year — May's 4.76 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Is May a good time to visit Masai?

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

2.7
Sightseeing
10th-best month of the year
3.9
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Masai.

What to pack for Masai in May

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

In May, Masai sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Masai 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 30 km away) is warmest in May at about 30°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
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Masai 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 Masai peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 19UV 15Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Masai 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 Masai is worst in October — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 933 µg/m³Jan 2214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar15Moderate
Apr21Moderate
May25Moderate
Jun25Moderate
Jul25Moderate
Aug27Moderate
Sep33Moderate
Oct33Moderate
Nov22Moderate
Dec16Moderate
Location & terrain

Where is Masai?

Masai sits at 1.5°N, 103.9°E, 9 m above sea level, in Malaysia. The nearest listed city is Bandar Seri Alam, 2.0 km away.

Topography around Masai

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

Within 3 km, the terrain around Masai has only modest variations in elevation — a maximum elevation change of 90 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.

The land around Masai is covered by artificial surfaces (46%) and trees (32%) within 3 km, trees (40%) and artificial surfaces (29%) within 16 km, and water (49%) and trees (40%) within 80 km.

3 km
90 m
16 km
205 m
80 km
1,020 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Bandar Seri Alam 2.0 km · Kampung Pasir Gudang Baru 2.0 km · Pasir Gudang 4.0 km · Taman Scientex 5.0 km · Taman Permas Jaya 7.0 km · Sembawang Estate 7.0 km · Pelentong 7.0 km · Sungai Simpang 8.0 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 Masai (1.4907°, 103.8788°, elevation 9 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. 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).