Ayer Itam weather in April

In April, Ayer Itam sees average daytime highs of 30°C and overnight lows near 26°C, with 204 mm of rain across 27.6 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 8% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of April to 12 h 12 min by month's end. Set against the rest of the year, April is Ayer Itam's 4th-clearest and 12th-windiest month. For the whole year in context, see Ayer Itam's year-round climate.

Daytime high
30°
1st warmest
Overnight low
26°
10th coldest
Rainfall
204 mm
27.6 wet days
Daylight
12 h 06 min
7:16 AM – 7:23 PM
Cloud cover
78%
4th clearest
Wind
7 km/h
12th windiest
Solar energy
5.62 kWh/m²
Travel score
2.8
out of 10

Ayer Itam is suburb of George Town, Penang, Malaysia.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Ayer Itam reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, April runs on par with March and on par with May.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How April really feels in Ayer Itam

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ayer Itam weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°971611.74.4
Feb30° / 26°8815.611.84.2
Mar30° / 26°16122.2123.5
Apr30° / 26°20427.612.12.8
May30° / 27°23126.312.23.0
Jun30° / 27°16620.612.33.5
Jul30° / 26°17321.112.33.6
Aug29° / 26°21723.512.23.4
Sep29° / 26°24225.6123.2
Oct29° / 26°3342911.93.0
Nov29° / 26°2922711.83.1
Dec29° / 26°16720.111.74.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32377
42377
52377
62377
72377
82377
92377
102377
112377
122377
132278
142278
152278
162278
172179
182080
192080
202080
211882
221882
231882
241684
251585
261585
271585
281486
291486
301387

Chance of precipitation in April

Any precipitation

Ayer Itam gets around 204 mm of rain over 27.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
290
390
490
590
691
791
891
991
1091
1191
1291
1391
1492
1592
1692
1792
1892
1992
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3093

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the miserable band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12575
22476
32377
42278
52179
62080
72080
81981
91882
101882
111783
121684
131585
141486
151387
161288
171189
181090
19991
20991
21892
22793
23694
24694
25595
26595
27496
28496
29496
30496

Wind in April

Winds average 7 km/h in April, the calmest month.

Across April, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over April. Sunrise moves from 7:22 AM to 7:11 AM, and sunset from 7:25 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.07:227:25
212.07:227:25
312.17:217:25
412.17:217:24
512.17:207:24
612.17:207:24
712.17:197:24
812.17:197:24
912.17:197:24
1012.17:187:23
1112.17:187:23
1212.17:177:23
1312.17:177:23
1412.17:167:23
1512.17:167:23
1612.17:167:23
1712.17:157:23
1812.17:157:22
1912.17:147:22
2012.17:147:22
2112.17:147:22
2212.17:137:22
2312.27:137:22
2412.27:137:22
2512.27:127:22
2612.27:127:22
2712.27:127:22
2812.27:117:22
2912.27:117:22
3012.27:117:22

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 5.88 kWh/m² in March across the year — April's 5.62 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Ayer Itam

In seasonPeak

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

Ayer Itam 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 April a good time to visit Ayer Itam?

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

2.8
Sightseeing
12th-best month of the year
3.9
Beach & pool
11th-best month of the year

April is a weaker month for outdoor sightseeing in Ayer Itam.

What to pack for Ayer Itam in April

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

In April, Ayer Itam sees daytime highs around 30°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 Ayer Itam in April

The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in June at about 31°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
Jun31Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ayer Itam in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ayer Itam peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near May 20 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 14May 20UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May10Very high
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Ayer Itam in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Ayer Itam 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 Ayer Itam?

Ayer Itam sits at 5.4°N, 100.3°E, 118 m above sea level, in Malaysia. The nearest listed city is Paya Terubong, 3.0 km away.

Topography around Ayer Itam

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

Within 3 km, the terrain around Ayer Itam has large variations in elevation — a maximum elevation change of 778 m around an average of 238 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 818 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,832 m.

The land around Ayer Itam is covered by trees (72%) and artificial surfaces (24%) within 3 km, water (54%) and trees (27%) within 16 km, and water (48%) and trees (38%) within 80 km.

3 km
778 m
16 km
818 m
80 km
1,832 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Paya Terubong 3.0 km · Glugor 5.0 km · Jelutong 5.0 km · Kampung Sungai Glugur 5.0 km · George Town 6.0 km · Balik Pulau 7.0 km · Relau 8.0 km · Kampung Sungai Ara 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 Ayer Itam (5.4016°, 100.2781°, elevation 118 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).