Gunungsitoli weather in June

In June, Gunungsitoli sees average daytime highs of 30°C and overnight lows near 25°C, with 233 mm of rain across 22.3 wet days and about 12.1 hours of daylight. It is the 4th-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 7% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of June to 12 h 06 min by month's end. Set against the rest of the year, June is Gunungsitoli's 1st-clearest and 7th-windiest month. For the whole year in context, see Gunungsitoli's year-round climate.

Daytime high
30°
4th warmest
Overnight low
25°
11th coldest
Rainfall
233 mm
22.3 wet days
Daylight
12 h 06 min
6:28 AM – 6:32 PM
Cloud cover
80%
1st clearest
Wind
5 km/h
7th windiest
Solar energy
4.85 kWh/m²
Travel score
3.4
out of 10

Gunungsitoli is city in North Sumatra Province, Indonesia.

Density
487/km²
people per km²
Founded
2008

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 Gunungsitoli reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025

How June really feels in Gunungsitoli

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.

Gunungsitoli weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°2832611.93.1
Feb30° / 25°23523123.1
Mar30° / 25°31228.3122.7
Apr30° / 25°36028.2122.7
May30° / 25°28525.412.13.0
Jun30° / 25°23322.312.13.4
Jul30° / 25°26824.412.13.3
Aug29° / 25°33327123.1
Sep29° / 25°35227.3123.0
Oct29° / 25°47128.8123.0
Nov29° / 25°51128.711.92.9
Dec29° / 25°39928.411.93.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21486
31585
41684
51684
61684
71684
81684
91783
101783
111882
121981
131981
142080
152080
162080
172080
182080
192080
202080
212080
222080
231981
241981
252080
262080
272080
282080
292080
302080

Chance of precipitation in June

Any precipitation

Gunungsitoli gets around 233 mm of rain over 22.3 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 74% and peaks near 78% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
178
278
377
477
576
676
775
875
974
1073
1173
1272
1372
1471
1571
1671
1771
1871
1971
2072
2172
2273
2373
2474
2574
2675
2775
2875
2976
3076

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1892
2991
3991
4991
51090
61090
71189
81189
91189
101288
111288
121288
131387
141486
151486
161585
171684
181783
191783
201882
211981
222080
232179
242179
252278
262377
272377
282476
292575
302674

Wind in June

Winds average 5 km/h in June.

Across June, 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.

0246810151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 06 min at the start of June to 12 h 06 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 6:25 AM to 6:30 AM, and sunset from 6:29 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:256:29
212.16:256:29
312.16:256:29
412.16:256:30
512.16:266:30
612.16:266:30
712.16:266:30
812.16:266:30
912.16:266:31
1012.16:266:31
1112.16:276:31
1212.16:276:31
1312.16:276:31
1412.16:276:32
1512.16:276:32
1612.16:286:32
1712.16:286:32
1812.16:286:32
1912.16:286:33
2012.16:286:33
2112.16:296:33
2212.16:296:33
2312.16:296:33
2412.16:296:34
2512.16:296:34
2612.16:306:34
2712.16:306:34
2812.16:306:35
2912.16:306:35
3012.16:306:35

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.85 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 5.31 kWh/m² in February across the year — June's 4.85 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in June

Is June a good time to visit Gunungsitoli?

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

3.4
Sightseeing
1st-best month of the year
4.6
Beach & pool
1st-best month of the year

June is a weaker month for outdoor sightseeing in Gunungsitoli.

What to pack for Gunungsitoli in June

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

In June, Gunungsitoli sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Gunungsitoli 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 offshore 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
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Gunungsitoli 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 Gunungsitoli peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 14Jul 11UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Gunungsitoli?

Gunungsitoli sits at 1.3°N, 97.6°E, 14 m above sea level, in Indonesia. The nearest listed city is Lahewa, 51 km away.

Topography around Gunungsitoli

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

Within 3 km, the terrain around Gunungsitoli has only modest variations in elevation — a maximum elevation change of 223 m around an average of 42 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, large variations in elevation — a maximum elevation change of 834 m.

The land around Gunungsitoli is covered by trees (51%) and water (37%) within 3 km, trees (50%) and water (48%) within 16 km, and water (79%) and trees (21%) within 80 km.

3 km
223 m
16 km
367 m
80 km
834 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Lahewa 51 km · Teluk Dalam 82 km · Singkil 113 km · Barus 118 km · Sibolga 139 km · Subulussalam 156 km · Tarutung 170 km · Sidikalang 180 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 Gunungsitoli (1.2888°, 97.6143°, 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. 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).