Gedangan weather in May

In May, Gedangan sees average daytime highs of 32°C and overnight lows near 24°C, with 49 mm of rain across 10.1 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 7th-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 34% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Gedangan's 6th-clearest and 8th-windiest month. For the whole year in context, see Gedangan's year-round climate.

Daytime high
32°
5th warmest
Overnight low
24°
8th coldest
Rainfall
49 mm
10.1 wet days
Daylight
11 h 42 min
5:35 AM – 5:15 PM
Cloud cover
56%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
5.13 kWh/m²
Travel score
3.9
out of 10

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 Gedangan reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°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 about 1°C warmer than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Gedangan

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.

Gedangan weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°29928.912.42.5
Feb31° / 24°2782712.22.4
Mar31° / 24°25327.812.12.6
Apr31° / 24°14421.211.83.1
May32° / 24°4910.111.73.9
Jun32° / 24°246.411.64.3
Jul32° / 23°13311.64.7
Aug33° / 23°41.511.84.6
Sep33° / 23°112.7123.9
Oct34° / 24°388.112.23.1
Nov33° / 25°11718.512.32.6
Dec32° / 24°25427.512.42.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54852
64852
74852
84951
94951
105050
115149
125248
135347
145446
155545
165743
175842
185842
196040
206139
216139
226139
236139
246238
256238
266238
276139
286139
296040
306040
315941

Chance of precipitation in May

Any precipitation

Gedangan gets around 49 mm of rain over 10.1 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 32% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
243
342
441
540
639
738
837
937
1036
1135
1234
1333
1433
1532
1631
1731
1830
1930
2030
2129
2229
2328
2427
2527
2626
2726
2825
2925
3024
3124

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1186130
2186229
3196129
41106128
51106128
61116127
71126027
81126126
92136025
102146024
112155924
122165923
132175922
142185921
152195920
162215819
173225619
183245518
193255517
203265417
213285316
223295216
233305215
243305215
253315214
263315214
273325114
282325313
292325313
302315413
312315512

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 11 h 42 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:34 AM to 5:38 AM, and sunset from 5:19 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:345:19
211.75:345:18
311.75:345:18
411.75:345:18
511.75:345:17
611.75:345:17
711.75:345:17
811.75:345:17
911.75:355:16
1011.75:355:16
1111.75:355:16
1211.75:355:16
1311.75:355:16
1411.75:355:16
1511.75:355:15
1611.75:355:15
1711.75:365:15
1811.75:365:15
1911.75:365:15
2011.65:365:15
2111.65:365:15
2211.65:365:15
2311.65:375:15
2411.65:375:15
2511.65:375:15
2611.65:375:15
2711.65:375:15
2811.65:385:15
2911.65:385:15
3011.65:385:15
3111.65:385:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.13 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.52 kWh/m² in September across the year — May's 5.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Gedangan

In seasonPeak

None of Gedangan's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Gedangan sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Gedangan's monsoon runs December–April, when most of the year's rain falls.

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

Is May a good time to visit Gedangan?

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

3.9
Sightseeing
4th-best month of the year
6.4
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Gedangan. The water and warmth also suit a beach or pool day.

What to pack for Gedangan in May

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

In May, Gedangan sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Gedangan 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 16 km away) is warmest in November at about 30°C and coldest in August 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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Gedangan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gedangan peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 13Jun 16UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec11Extreme

Air quality in Gedangan 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 Gedangan is worst in May — around 101 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyMay 13101 µg/m³Aug 2267 µg/m³
PM2.5 (µg/m³)Level
Jan76Unhealthy
Feb71Unhealthy
Mar87Unhealthy
Apr99Unhealthy
May101Unhealthy
Jun95Unhealthy
Jul81Unhealthy
Aug66Unhealthy
Sep69Unhealthy
Oct80Unhealthy
Nov87Unhealthy
Dec81Unhealthy
Location & terrain

Where is Gedangan?

Gedangan sits at 7.4°S, 112.7°E, 5 m above sea level, in Indonesia. The nearest listed city is Buduran, 4.0 km away.

Topography around Gedangan

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

Within 3 km, the terrain around Gedangan has only modest variations in elevation — a maximum elevation change of 13 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,306 m.

The land around Gedangan is covered by artificial surfaces (65%) within 3 km, artificial surfaces (42%) within 16 km, and trees (32%), water (32%) and cropland (24%) within 80 km.

3 km
13 m
16 km
50 m
80 km
3,306 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Buduran 4.0 km · Sidoarjo 6.0 km · Driyorejo 12 km · Tanggulangin 12 km · Tulangan Utara 12 km · Surabaya 16 km · Krian 16 km · Kamal 25 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Gedangan (-7.3908°, 112.7267°, elevation 5 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).