Sumbawa Besar weather in June

In June, Sumbawa Besar sees average daytime highs of 30°C and overnight lows near 23°C, with 14 mm of rain across 3.3 wet days and about 11.5 hours of daylight. It is the 7th-warmest and 9th-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 47% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of June to 11 h 30 min by month's end. Set against the rest of the year, June is Sumbawa Besar's 4th-clearest and 3rd-windiest month. For the whole year in context, see Sumbawa Besar's year-round climate.

Daytime high
30°
7th warmest
Overnight low
23°
4th coldest
Rainfall
14 mm
3.3 wet days
Daylight
11 h 30 min
6:25 AM – 5:56 PM
Cloud cover
46%
4th clearest
Wind
10 km/h
3rd windiest
Solar energy
4.84 kWh/m²
Travel score
6.1
out of 10

Sumbawa Besar is place in Lesser Sunda Islands, Indonesia.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

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

A typical June day in Sumbawa Besar reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
242923
252922
262922
272922
282922
292922
302922

How June really feels in Sumbawa Besar

Once humidity and wind are folded in, June averages 19 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
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Sumbawa Besar weather by month

How June compares with the rest of the year at a glance. June is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°33829.112.43.0
Feb29° / 24°31726.412.33.1
Mar29° / 24°23525.312.13.4
Apr30° / 24°1061711.84.2
May30° / 23°31711.65.4
Jun30° / 23°143.311.56.1
Jul29° / 22°61.611.66.5
Aug30° / 22°10.411.76.3
Sep31° / 23°51.2125.5
Oct32° / 24°224.812.24.7
Nov31° / 24°9414.712.43.7
Dec30° / 24°26426.612.53.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36535
46634
56535
66634
76634
86634
96634
106634
116634
126535
136535
146535
156535
166634
176634
186733
196733
206733
216733
226733
236832
246832
256832
266931
276832
286832
296832
306832

Chance of precipitation in June

Any precipitation

Sumbawa Besar gets around 14 mm of rain over 3.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
117
217
316
415
515
614
714
813
913
1013
1113
1212
1312
1412
1512
1612
1711
1811
1911
2010
2110
2210
2310
249
259
268
278
288
298
308

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1027703
2028693
3028702
4029692
5029692
6030691
7031681
8032671
9133651
10134650
11135640
12136630
13138610
14139600
15241570
16242560
17244540
18245530
19347500
20348490
21349480
22450460
23451450
24453430
25553420
26554410
27655390
28656380
29657370
30757360

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

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

Days grow by about 0 minutes over June. Sunrise moves from 6:22 AM to 6:28 AM, and sunset from 5:54 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:225:54
211.56:225:54
311.56:225:54
411.56:225:54
511.56:235:54
611.56:235:54
711.56:235:55
811.56:235:55
911.56:245:55
1011.56:245:55
1111.56:245:55
1211.56:245:55
1311.56:255:55
1411.56:255:55
1511.56:255:56
1611.56:255:56
1711.56:265:56
1811.56:265:56
1911.56:265:56
2011.56:265:57
2111.56:265:57
2211.56:275:57
2311.56:275:57
2411.56:275:57
2511.56:275:58
2611.56:275:58
2711.56:285:58
2811.56:285:58
2911.56:285:59
3011.56:285:59

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.84 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 6.73 kWh/m² in October across the year — June's 4.84 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in June

Hazard calendar for Sumbawa Besar

In seasonPeak

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

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

Sumbawa Besar'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 June a good time to visit Sumbawa Besar?

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

6.1
Sightseeing
3rd-best month of the year
8.1
Beach & pool
4th-best month of the year

June is a reasonable time to visit Sumbawa Besar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sumbawa Besar in June

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

In June, Sumbawa Besar sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near Sumbawa Besar in June

The nearest coast averages about 29°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 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
May29Tropical
Jun29Tropical
Jul28Warm
Aug28Warm
Sep28Warm
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Sumbawa Besar in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sumbawa Besar peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 12UV 15Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec13Extreme

Air quality in Sumbawa Besar in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sumbawa Besar is worst in October — around 30 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (March, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1529 µg/m³Mar 1610 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb10Good
Mar10Good
Apr10Good
May12Good
Jun12Good
Jul12Moderate
Aug15Moderate
Sep23Moderate
Oct30Moderate
Nov21Moderate
Dec13Moderate
Location & terrain

Where is Sumbawa Besar?

Sumbawa Besar sits at 8.5°S, 117.4°E, 14 m above sea level, in Indonesia. The nearest listed city is Taliwang, 68 km away.

Topography around Sumbawa Besar

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

Within 3 km, the terrain around Sumbawa Besar has only modest variations in elevation — a maximum elevation change of 115 m around an average of 32 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 948 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,795 m.

The land around Sumbawa Besar is covered by grassland (33%), trees (24%) and artificial surfaces (23%) within 3 km, trees (31%), water (25%) and grassland (22%) within 16 km, and water (54%) and trees (32%) within 80 km.

3 km
115 m
16 km
948 m
80 km
2,795 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Taliwang 68 km · Selong 99 km · Dompu 115 km · Praya 129 km · Lombok 144 km · Bima 144 km · Gili Trawangan 153 km · Amlapura 198 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 Sumbawa Besar (-8.4932°, 117.4202°, elevation 14 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).