Loa Janan weather in June

In June, Loa Janan sees average daytime highs of 31°C and overnight lows near 24°C, with 214 mm of rain across 25.7 wet days and about 12 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of June to 12 hours by month's end. Set against the rest of the year, June is Loa Janan's 4th-clearest and 6th-windiest month. For the whole year in context, see Loa Janan's year-round climate.

Daytime high
31°
11th warmest
Overnight low
24°
9th coldest
Rainfall
214 mm
25.7 wet days
Daylight
12 hours
6:13 AM – 6:11 PM
Cloud cover
79%
4th clearest
Wind
5 km/h
6th windiest
Solar energy
4.45 kWh/m²
Travel score
2.8
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical June day in Loa Janan reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223123
233123
243123
253123
263123
273123
283123
293123
303123

How June really feels in Loa Janan

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.

Loa Janan weather by month

How June compares with the rest of the year at a glance. June is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°27526.3122.6
Feb31° / 24°24223.5122.7
Mar31° / 24°29926.9122.5
Apr31° / 24°30727.5122.4
May31° / 24°25628.7122.4
Jun31° / 24°21425.7122.8
Jul31° / 23°17823.7123.1
Aug31° / 23°15921.2123.2
Sep32° / 23°16720.8123.0
Oct32° / 24°23326122.5
Nov31° / 24°29428.5122.3
Dec31° / 24°29828.9122.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21783
31783
41684
51684
61684
71684
81684
91783
101783
111882
121882
131882
141882
151981
161981
171981
182080
192080
202080
211981
221981
231981
241981
252080
262080
271981
281981
291981
301981

Chance of precipitation in June

Any precipitation

Loa Janan gets around 214 mm of rain over 25.7 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 86% and peaks near 92% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
491
591
691
790
890
989
1088
1188
1287
1386
1486
1585
1684
1784
1883
1983
2083
2183
2282
2382
2482
2582
2682
2782
2882
2982
3082

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1793
2793
3793
4892
5892
6991
71090
81189
91288
101387
111486
121585
131783
141882
152080
162179
172278
182476
192575
202674
212773
222971
233070
243169
253367
263466
273565
283763
293862
304060

Wind in June

Winds average 5 km/h in June.

Across June, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
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 hours at the start of June to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 6:10 AM to 6:16 AM, and sunset from 6:08 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:106:08
212.06:106:08
312.06:106:08
412.06:116:09
512.06:116:09
612.06:116:09
712.06:116:09
812.06:116:09
912.06:116:09
1012.06:126:10
1112.06:126:10
1212.06:126:10
1312.06:126:10
1412.06:126:10
1512.06:136:11
1612.06:136:11
1712.06:136:11
1812.06:136:11
1912.06:136:11
2012.06:146:12
2112.06:146:12
2212.06:146:12
2312.06:146:12
2412.06:156:13
2512.06:156:13
2612.06:156:13
2712.06:156:13
2812.06:156:13
2912.06:166:14
3012.06:166:14

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 5.34 kWh/m² in September across the year — June's 4.45 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in June

Is June a good time to visit Loa Janan?

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

2.8
Sightseeing
4th-best month of the year
4.0
Beach & pool
4th-best month of the year

June is a weaker month for outdoor sightseeing in Loa Janan.

What to pack for Loa Janan in June

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

In June, Loa Janan sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

Sea temperature near Loa Janan 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 45 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Loa Janan 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 Loa Janan peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jul 10UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Loa Janan 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 Loa Janan is worst in October — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1427 µg/m³Mar 1314 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug16Moderate
Sep23Moderate
Oct28Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Loa Janan?

Loa Janan sits at 0.6°S, 117.1°E, 9 m above sea level, in Indonesia. The nearest listed city is Samarinda, 12 km away.

AmuntaiBarabaiPalu

Topography around Loa Janan

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

Within 3 km, the terrain around Loa Janan has only modest variations in elevation — a maximum elevation change of 131 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, large variations in elevation — a maximum elevation change of 806 m.

The land around Loa Janan is covered by trees (60%) within 3 km, trees (66%) within 16 km, and trees (58%) and water (30%) within 80 km.

3 km
131 m
16 km
264 m
80 km
806 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
June weather nearby: Samarinda 12 km · Balikpapan 82 km · Bontang 91 km · Muara Teweh 248 km · Tanjung 258 km · Amuntai 289 km · Barabai 293 km · Palu 311 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 Loa Janan (-0.5829°, 117.095°, elevation 9 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. 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).