Subulussalam weather in June

In June, Subulussalam sees average daytime highs of 30°C and overnight lows near 21°C, with 150 mm of rain across 16.7 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 12th-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 6% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of June to 12 h 12 min by month's end. Set against the rest of the year, June is Subulussalam's 1st-clearest and 2nd-windiest month. For the whole year in context, see Subulussalam's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
150 mm
16.7 wet days
Daylight
12 h 12 min
6:24 AM – 6:33 PM
Cloud cover
81%
1st clearest
Wind
4 km/h
2nd windiest
Solar energy
4.96 kWh/m²
Travel score
3.9
out of 10

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 Subulussalam reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, June runs on par with May and on par with July.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021

How June really feels in Subulussalam

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.

Subulussalam weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°32726.311.93.1
Feb30° / 20°28923.911.92.9
Mar30° / 21°33928.2122.8
Apr30° / 21°36827.312.12.8
May30° / 21°26421.412.13.4
Jun30° / 21°15016.712.23.9
Jul30° / 20°16017.712.14.0
Aug29° / 20°23820.712.13.8
Sep29° / 21°29522.5123.6
Oct29° / 21°4192611.93.4
Nov28° / 21°51028.211.93.1
Dec29° / 21°39527.511.83.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51387
61387
71387
81387
91585
101684
111684
121783
131783
141882
151882
161882
171882
181882
191882
201882
211882
221882
231882
241783
251783
261783
271783
281783
291783
301783

Chance of precipitation in June

Any precipitation

Subulussalam gets around 150 mm of rain over 16.7 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
164
264
363
462
561
661
760
859
958
1057
1157
1256
1355
1454
1553
1653
1752
1852
1952
2052
2152
2252
2353
2453
2553
2653
2754
2854
2954
3055

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
101189
201288
301288
401387
501486
601486
701585
811584
911683
1011782
1111881
1211881
1311980
1412079
1512079
1612178
1712277
1812277
1902377
2002377
2102377
2202476
2302476
2402575
2502674
2602674
2702773
2802872
2902971
3002971

Wind in June

Winds average 4 km/h in June.

Across June, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 06 min at the start of June to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 6:22 AM to 6:27 AM, and sunset from 6:30 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:226:30
212.16:226:30
312.16:226:31
412.16:226:31
512.16:226:31
612.16:226:31
712.16:236:31
812.16:236:32
912.16:236:32
1012.26:236:32
1112.26:236:32
1212.26:236:32
1312.26:246:33
1412.26:246:33
1512.26:246:33
1612.26:246:33
1712.26:246:34
1812.26:256:34
1912.26:256:34
2012.26:256:34
2112.26:256:34
2212.26:256:35
2312.26:266:35
2412.26:266:35
2512.26:266:35
2612.26:266:35
2712.26:266:36
2812.26:276:36
2912.26:276:36
3012.26:276:36

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.96 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.26 kWh/m² in February across the year — June's 4.96 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in June

Hazard calendar for Subulussalam

In seasonPeak

In June, Subulussalam sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Subulussalam sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is June a good time to visit Subulussalam?

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

3.9
Sightseeing
2nd-best month of the year
5.4
Beach & pool
2nd-best month of the year

June is a weaker month for outdoor sightseeing in Subulussalam.

What to pack for Subulussalam in June

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

In June, Subulussalam sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Subulussalam in June

The nearest coast averages about 30°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 29 km away) is warmest in May at about 30°C and coldest in November 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
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Subulussalam in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Subulussalam peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 14Jul 13UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Subulussalam 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 Subulussalam is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1425 µg/m³Dec 1218 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb24Moderate
Mar25Moderate
Apr23Moderate
May21Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct23Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Subulussalam?

Subulussalam sits at 2.7°N, 97.9°E, 29 m above sea level, in Indonesia. The nearest listed city is Singkil, 43 km away.

Topography around Subulussalam

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

Within 3 km, the terrain around Subulussalam has only modest variations in elevation — a maximum elevation change of 40 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Subulussalam is covered by trees (90%) within 3 km, trees (92%) within 16 km, and trees (63%) and water (33%) within 80 km.

3 km
40 m
16 km
205 m
80 km
2,429 m
treesshrubsgrasslandcroplandartificial surfaceswater
June weather nearby: Singkil 43 km · Sidikalang 49 km · Paropo 74 km · Tongging 76 km · Kabanjahe 83 km · Pangururan 91 km · Berastagi 91 km · Barus 92 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 Subulussalam (2.662°, 97.8827°, elevation 29 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).