Merlimau weather in May

In May, Merlimau sees average daytime highs of 31°C and overnight lows near 25°C, with 182 mm of rain across 25.4 wet days and about 12.1 hours of daylight. It is the 4th-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 3% 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 Merlimau's 7th-clearest and 11th-windiest month. For the whole year in context, see Merlimau's year-round climate.

Daytime high
31°
4th warmest
Overnight low
25°
12th coldest
Rainfall
182 mm
25.4 wet days
Daylight
12 h 06 min
7:04 AM – 7:09 PM
Cloud cover
83%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
5.01 kWh/m²
Travel score
2.7
out of 10

Merlimau is mukim in Melaka, 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 Merlimau 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 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)
13225
23225
33225
43225
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 Merlimau

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.

Merlimau weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°13417.511.93.7
Feb32° / 24°9213.511.93.5
Mar32° / 25°16922.4122.7
Apr32° / 25°20825.7122.5
May31° / 25°18225.412.12.7
Jun31° / 25°14221.712.13.1
Jul30° / 24°13921.812.13.3
Aug30° / 24°14922.212.13.3
Sep30° / 24°14521.9123.2
Oct31° / 24°19524.7122.9
Nov31° / 24°26327.311.92.6
Dec30° / 24°22424.111.93.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
81090
91090
101288
111387
121387
131387
141486
151585
161684
171684
181684
191585
201684
211684
221684
231684
241684
251684
261684
271684
281684
291585
301585
311585

Chance of precipitation in May

Any precipitation

Merlimau gets around 182 mm of rain over 25.4 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 82% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
286
386
486
585
685
784
883
982
1082
1181
1281
1380
1480
1580
1680
1780
1880
1980
2080
2180
2281
2381
2481
2582
2682
2782
2882
2982
3081
3181

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1496
2397
3397
4397
5397
6397
7397
8397
9397
10397
11496
12496
13496
14496
15496
16496
17496
18496
19397
20397
21397
22397
23397
24397
25397
26397
27397
28397
29496
30496
31496

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 7:05 AM to 7:04 AM, and sunset from 7:10 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:057:10
212.17:057:10
312.17:057:10
412.17:057:10
512.17:057:09
612.17:047:09
712.17:047:09
812.17:047:09
912.17:047:09
1012.17:047:09
1112.17:047:09
1212.17:047:09
1312.17:047:09
1412.17:047:09
1512.17:047:09
1612.17:047:09
1712.17:047:10
1812.17:047:10
1912.17:047:10
2012.17:047:10
2112.17:047:10
2212.17:047:10
2312.17:047:10
2412.17:047:10
2512.17:047:10
2612.17:047:10
2712.17:047:11
2812.17:047:11
2912.17:047:11
3012.17:047:11
3112.17:047:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 5.62 kWh/m² in March across the year — May's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Merlimau

In seasonPeak

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

Merlimau 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 Merlimau?

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

May is a weaker month for outdoor sightseeing in Merlimau.

What to pack for Merlimau in May

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

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

light clothesrain gearsun protection

Sea temperature near Merlimau 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 offshore 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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Merlimau 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 Merlimau peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 14Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Merlimau 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 Merlimau is worst in September — around 39 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (February, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1638 µg/m³Feb 816 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar22Moderate
Apr28Moderate
May28Moderate
Jun28Moderate
Jul30Moderate
Aug34Moderate
Sep39Poor
Oct34Moderate
Nov23Moderate
Dec19Moderate
Location & terrain

Where is Merlimau?

Merlimau sits at 2.1°N, 102.4°E, 6 m above sea level, in Malaysia. The nearest listed city is Kampung Ayer Molek, 13 km away.

Topography around Merlimau

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

Within 3 km, the terrain around Merlimau has only modest variations in elevation — a maximum elevation change of 44 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,226 m.

The land around Merlimau is covered by trees (57%) within 3 km, trees (46%) and water (40%) within 16 km, and trees (52%) and water (43%) within 80 km.

3 km
44 m
16 km
139 m
80 km
1,226 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Kampung Ayer Molek 13 km · Kampung Bukit Baharu 17 km · Tangkak 19 km · Muar 20 km · Kampung Ayer Keroh 21 km · Malacca 21 km · Batu Berendam 23 km · Durian Tunggal 25 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 Merlimau (2.1449°, 102.4251°, elevation 6 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).