Gemas weather in May

In May, Gemas sees average daytime highs of 32°C and overnight lows near 25°C, with 167 mm of rain across 24.8 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°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 Gemas's 7th-clearest and 11th-windiest month. For the whole year in context, see Gemas's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
167 mm
24.8 wet days
Daylight
12 h 06 min
7:02 AM – 7:09 PM
Cloud cover
83%
7th clearest
Wind
5 km/h
11th windiest
Solar energy
4.92 kWh/m²
Travel score
2.5
out of 10

Gemas is human settlement in 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 32°C through the month.

A typical May day in Gemas reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Gemas

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.

Gemas weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°12316.911.93.7
Feb32° / 24°8012.711.93.4
Mar33° / 24°15121.4122.6
Apr32° / 25°18325.312.12.3
May32° / 25°16724.812.12.5
Jun32° / 25°1232112.12.9
Jul31° / 24°12221.712.13.1
Aug31° / 24°13422.412.13.0
Sep31° / 24°13222.6122.9
Oct31° / 24°17924.711.92.7
Nov31° / 24°24927.611.92.5
Dec30° / 24°21524.111.93.1

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 11% of May, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41189
51189
61189
71189
81189
91189
101288
111486
121486
131486
141486
151585
161585
171585
181585
191684
201684
211585
221585
231684
241684
251684
261684
271684
281684
291684
301585
311585

Chance of precipitation in May

Any precipitation

Gemas gets around 167 mm of rain over 24.8 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 81% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
184
284
384
483
583
682
782
881
980
1080
1179
1279
1379
1479
1579
1679
1779
1879
1979
2079
2180
2280
2380
2480
2581
2681
2781
2881
2980
3080
3179

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11288
21189
31090
41090
51090
61090
71090
81090
91090
101090
111189
121189
131189
141189
151189
161189
171189
181189
191189
201189
211189
221189
231189
241288
251288
261288
271288
281387
291387
301486
311486

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:04 AM to 7:03 AM, and sunset from 7:09 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:047:09
212.17:047:09
312.17:047:09
412.17:047:09
512.17:037:09
612.17:037:09
712.17:037:09
812.17:037:09
912.17:037:09
1012.17:037:09
1112.17:037:09
1212.17:037:09
1312.17:027:09
1412.17:027:09
1512.17:027:09
1612.17:027:09
1712.17:027:09
1812.17:027:09
1912.17:027:10
2012.17:027:10
2112.17:027:10
2212.17:027:10
2312.17:027:10
2412.17:027:10
2512.17:027:10
2612.17:027:10
2712.17:027:10
2812.17:037:11
2912.17:037:11
3012.17:037:11
3112.17:037:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.92 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.44 kWh/m² in March across the year — May's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Gemas

In seasonPeak

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

Gemas 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 Gemas?

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

2.5
Sightseeing
10th-best month of the year
4.1
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Gemas.

What to pack for Gemas in May

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

In May, Gemas sees daytime highs around 32°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 Gemas 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 57 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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Gemas 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 Gemas peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 20UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Gemas 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 Gemas 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 Gemas?

Gemas sits at 2.6°N, 102.6°E, 34 m above sea level, in Malaysia. The nearest listed city is Batu Anam, 11 km away.

Topography around Gemas

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

Within 3 km, the terrain around Gemas has only modest variations in elevation — a maximum elevation change of 69 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,226 m.

The land around Gemas is covered by trees (77%) within 3 km, trees (91%) within 16 km, and trees (85%) within 80 km.

3 km
69 m
16 km
221 m
80 km
1,226 m
treesgrasslandartificial surfaceswater
May weather nearby: Batu Anam 11 km · Rompin 18 km · Taman Pelangi 19 km · Segamat 24 km · Bahau 34 km · Tangkak 36 km · Kampung Machap Baru 38 km · Kampung Selang 39 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 Gemas (2.5832°, 102.6117°, elevation 34 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).