Cukai weather in May

In May, Cukai sees average daytime highs of 29°C and overnight lows near 27°C, with 135 mm of rain across 23.9 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 14% 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 Cukai's 5th-clearest and 10th-windiest month. For the whole year in context, see Cukai's year-round climate.

Daytime high
29°
1st warmest
Overnight low
27°
12th coldest
Rainfall
135 mm
23.9 wet days
Daylight
12 h 12 min
6:57 AM – 7:08 PM
Cloud cover
74%
5th clearest
Wind
11 km/h
10th windiest
Solar energy
5.57 kWh/m²
Travel score
3.7
out of 10

Cukai is human settlement in Malaysia.

Density
165/km²
people per km²
Founded
1942

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 29°C through the month.

A typical May day in Cukai reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12927
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
132927
142927
152927
162927
172927
182927
192927
202927
212927
222927
232927
242927
252927
262927
272927
282927
292927
302927
312927

How May really feels in Cukai

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.

Cukai weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°32323.311.84.4
Feb27° / 25°13817.611.95.1
Mar28° / 26°17120.2124.9
Apr28° / 26°1432312.14.0
May29° / 27°13523.912.23.7
Jun29° / 27°10320.612.24.1
Jul28° / 26°10221.212.24.2
Aug28° / 26°10721.712.14.2
Sep28° / 26°12121124.2
Oct28° / 26°21826.511.93.7
Nov27° / 26°46128.411.83.5
Dec27° / 25°58526.111.83.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32674
42674
52674
62674
72575
82476
92476
102377
112377
122377
132476
142377
152377
162377
172377
182377
192674
202674
212674
222674
232773
242773
252872
262872
272872
282971
292971
302872
312872

Chance of precipitation in May

Any precipitation

Cukai gets around 135 mm of rain over 23.9 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 78% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
179
279
379
480
580
680
779
879
979
1079
1179
1279
1379
1479
1579
1679
1779
1878
1978
2077
2177
2276
2376
2475
2575
2675
2775
2874
2974
3074
3174

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21684
31684
41585
51585
61486
71486
81387
91387
101387
111288
121288
131189
141189
151090
161090
17991
18991
19991
20991
21991
22991
231090
241090
251090
261090
271189
281189
291189
301288
311288

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2812calm
2912calm
3012calm
3112calm

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 6:59 AM to 6:57 AM, and sunset from 7:08 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:597:08
212.26:597:08
312.26:597:08
412.26:587:08
512.26:587:08
612.26:587:08
712.26:587:08
812.26:587:08
912.26:587:08
1012.26:577:08
1112.26:577:08
1212.26:577:08
1312.26:577:08
1412.26:577:08
1512.26:577:08
1612.26:577:08
1712.26:577:08
1812.26:577:09
1912.26:577:09
2012.26:577:09
2112.26:577:09
2212.26:577:09
2312.26:577:09
2412.26:577:09
2512.26:577:09
2612.26:577:10
2712.26:577:10
2812.26:577:10
2912.26:577:10
3012.26:577:10
3112.26:577:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6 kWh/m² in April across the year — May's 5.57 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Cukai

In seasonPeak

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

Cukai sits in the Pacific typhoon belt; the season peaks July–October.

Cukai's monsoon runs November–January, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Cukai?

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

3.7
Sightseeing
10th-best month of the year
4.7
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Cukai.

What to pack for Cukai in May

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

In May, Cukai sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Cukai 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 27 km away) is warmest in May at about 30°C and coldest in January near 27°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
Jan27Warm
Feb27Warm
Mar28Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Cukai in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Cukai peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 14Jun 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun10Very high
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cukai 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 Cukai is worst in September — around 27 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateSep 1526 µg/m³Nov 2212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun18Moderate
Jul22Moderate
Aug22Moderate
Sep27Moderate
Oct20Moderate
Nov12Good
Dec12Moderate
Location & terrain

Where is Cukai?

Cukai sits at 4.3°N, 103.4°E, 12 m above sea level, in Malaysia. The nearest listed city is Kertih, 30 km away.

Topography around Cukai

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

Within 3 km, the terrain around Cukai has only modest variations in elevation — a maximum elevation change of 95 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 307 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,516 m.

The land around Cukai is covered by trees (36%) and artificial surfaces (33%) within 3 km, trees (51%) and water (36%) within 16 km, and trees (57%) and water (39%) within 80 km.

3 km
95 m
16 km
307 m
80 km
1,516 m
treesgrasslandartificial surfacesbare terrainwatermangroves
May weather nearby: Kertih 30 km · Paka 43 km · Kuantan 50 km · Dungun 58 km · Pekan 85 km · Kampung Perak 101 km · Maran 103 km · Marang 109 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 Cukai (4.25°, 103.4167°, elevation 12 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).