Semarang weather in June

In June, Semarang sees average daytime highs of 32°C and overnight lows near 24°C, with 60 mm of rain across 10.5 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 9th-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 32% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of June to 11 h 36 min by month's end. Set against the rest of the year, June is Semarang's 3rd-clearest and 6th-windiest month. For the whole year in context, see Semarang's year-round climate.

Daytime high
32°
5th warmest
Overnight low
24°
3rd coldest
Rainfall
60 mm
10.5 wet days
Daylight
11 h 36 min
5:51 AM – 5:26 PM
Cloud cover
57%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
4.97 kWh/m²
Travel score
4.0
out of 10

Semarang is city in Central Java Province, Indonesia.

Density
4,534/km²
people per km²
Founded
1547

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 32°C through the month.

A typical June day in Semarang 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 33°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223

How June really feels in Semarang

Once humidity and wind are folded in, June averages 30 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
30
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.

Semarang weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°39129.912.42.7
Feb30° / 24°35427.212.22.7
Mar30° / 24°34529.3122.6
Apr31° / 24°2372611.92.7
May32° / 24°10216.411.73.5
Jun32° / 24°6010.511.64.0
Jul32° / 23°386.511.64.3
Aug33° / 23°23411.84.2
Sep33° / 24°446.1123.7
Oct33° / 24°13915.312.23.0
Nov32° / 24°28225.612.32.5
Dec30° / 24°41629.212.42.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 23% of June, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65050
75149
85050
95149
105149
115248
125149
135248
145347
155446
165545
175545
185644
195743
205842
215842
225842
235941
245941
255941
266040
276040
286040
296040
305941

Chance of precipitation in June

Any precipitation

Semarang gets around 60 mm of rain over 10.5 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 35% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
343
443
543
642
742
842
941
1041
1140
1239
1339
1438
1537
1636
1735
1834
1933
2031
2130
2229
2328
2427
2526
2626
2725
2824
2924
3023

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10116821
20116920
30126919
40127018
50137017
60147016
70156916
80157015
91166914
101176814
111196713
121206613
131216612
142226511
152236411
162256310
173266110
18328609
19329599
20431578
21432568
22434548
23535537
24537517
25538516
26539506
27640496
28640485
29641475
30742465

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 36 min at the start of June to 11 h 36 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 5:47 AM to 5:54 AM, and sunset from 5:25 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:475:25
211.65:475:25
311.65:485:25
411.65:485:25
511.65:485:25
611.65:485:25
711.65:495:25
811.65:495:25
911.65:495:25
1011.65:495:25
1111.65:495:26
1211.65:505:26
1311.65:505:26
1411.65:505:26
1511.65:505:26
1611.65:515:26
1711.65:515:27
1811.65:515:27
1911.65:515:27
2011.65:525:27
2111.65:525:27
2211.65:525:28
2311.65:525:28
2411.65:525:28
2511.65:535:28
2611.65:535:28
2711.65:535:29
2811.65:535:29
2911.65:535:29
3011.65:545:29

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.97 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.31 kWh/m² in September across the year — June's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in June

Hazard calendar for Semarang

In seasonPeak

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

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

Semarang's monsoon runs November–April, 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 Semarang?

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

4.0
Sightseeing
3rd-best month of the year
6.4
Beach & pool
4th-best month of the year

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

What to pack for Semarang in June

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

In June, Semarang sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Semarang 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 May at about 30°C and coldest in February near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Semarang in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Semarang peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 14 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 15UV 14Nov 14UV 7
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec12Extreme

Air quality in Semarang 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 Semarang is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorMay 1445 µg/m³Feb 1131 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb30Moderate
Mar38Poor
Apr43Poor
May45Poor
Jun41Poor
Jul36Poor
Aug36Poor
Sep38Poor
Oct39Poor
Nov38Poor
Dec34Moderate
Location & terrain

Where is Semarang?

Semarang sits at 7.0°S, 110.4°E, 18 m above sea level, in Indonesia. The nearest listed city is Mranggen, 11 km away.

Topography around Semarang

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

Within 3 km, the terrain around Semarang has only modest variations in elevation — a maximum elevation change of 133 m around an average of 26 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 616 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,293 m.

The land around Semarang is covered by artificial surfaces (84%) within 3 km, water (31%), trees (30%) and artificial surfaces (25%) within 16 km, and trees (48%) and water (25%) within 80 km.

3 km
133 m
16 km
616 m
80 km
3,293 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Mranggen 11 km · Ungaran 16 km · Demak 27 km · Ambarawa 30 km · Salatiga 39 km · Welahan 39 km · Weleri 39 km · Pecangaan 46 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 Semarang (-6.9931°, 110.4208°, elevation 18 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).