Selong weather in May

In May, Selong sees average daytime highs of 30°C and overnight lows near 24°C, with 52 mm of rain across 9.4 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 7th-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 40% 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 30 min by month's end. Set against the rest of the year, May is Selong's 5th-clearest and 6th-windiest month. For the whole year in context, see Selong's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
24°
6th coldest
Rainfall
52 mm
9.4 wet days
Daylight
11 h 36 min
6:22 AM – 5:58 PM
Cloud cover
52%
5th clearest
Wind
8 km/h
6th windiest
Solar energy
5.6 kWh/m²
Travel score
5.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Selong reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313023

How May really feels in Selong

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.

Selong weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°37528.212.42.8
Feb30° / 24°34225.512.32.8
Mar30° / 24°30525.912.13.0
Apr30° / 24°16118.911.83.8
May30° / 24°529.411.65.1
Jun30° / 23°245.311.55.9
Jul29° / 22°153.811.56.5
Aug29° / 22°82.811.76.6
Sep29° / 23°185.311.96.0
Oct30° / 24°5111.212.24.9
Nov31° / 25°15820.112.43.6
Dec30° / 25°31327.612.52.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55743
65743
75743
85842
95941
105941
115941
125941
136139
146139
156139
166238
176337
186337
196337
206436
216337
226337
236337
246238
256238
266238
276238
286238
296238
306238
316238

Chance of precipitation in May

Any precipitation

Selong gets around 52 mm of rain over 9.4 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 29% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
335
434
533
633
732
831
931
1030
1130
1230
1329
1429
1529
1629
1728
1828
1928
2028
2128
2228
2328
2428
2527
2627
2726
2825
2924
3024
3123

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1037423
2047323
3047422
4057322
5057322
6067222
7077221
8077221
9087220
10087220
11097120
12097219
130107119
140107218
151107217
161117117
171117216
181117216
191127215
201127215
210127315
220127414
230137314
240137314
250137413
260137512
270137512
280147511
290147610
300147610
31014779

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:20 AM to 6:25 AM, and sunset from 6:02 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:206:02
211.76:206:02
311.76:206:01
411.76:206:01
511.76:206:01
611.76:216:00
711.76:216:00
811.76:216:00
911.66:216:00
1011.66:215:59
1111.66:215:59
1211.66:215:59
1311.66:215:59
1411.66:225:59
1511.66:225:58
1611.66:225:58
1711.66:225:58
1811.66:225:58
1911.66:225:58
2011.66:235:58
2111.66:235:58
2211.66:235:58
2311.66:235:58
2411.66:245:57
2511.66:245:57
2611.66:245:57
2711.66:245:57
2811.56:245:57
2911.56:255:57
3011.56:255:57
3111.56:255:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.6 kWh/m².

For context, solar energy here swings from a low near 5.27 kWh/m² to a high of 6.9 kWh/m² in October across the year — May's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Selong

In seasonPeak

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

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

Selong's monsoon runs December–March, 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 Selong?

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

5.1
Sightseeing
5th-best month of the year
7.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Selong for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Selong in May

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

In May, Selong sees daytime highs around 30°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Selong in May

The nearest coast averages about 28°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 December at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov29Tropical
Dec29Tropical

UV index in Selong in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Selong peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jun 20UV 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Selong?

Selong sits at 8.7°S, 116.5°E, 156 m above sea level, in Indonesia. The nearest listed city is Praya, 29 km away.

Topography around Selong

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

Within 3 km, the terrain around Selong has only modest variations in elevation — a maximum elevation change of 141 m around an average of 144 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 741 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,756 m.

The land around Selong is covered by trees (66%) and artificial surfaces (23%) within 3 km, trees (42%), water (25%) and cropland (22%) within 16 km, and water (59%) and trees (31%) within 80 km.

3 km
141 m
16 km
741 m
80 km
3,756 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Praya 29 km · Taliwang 37 km · Lombok 46 km · Gili Trawangan 64 km · Sumbawa Besar 99 km · Amlapura 103 km · Amlapura city 104 km · Bedugul 106 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 Selong (-8.6503°, 116.5318°, elevation 156 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).