Loa Janan weather in July

In July, Loa Janan sees average daytime highs of 31°C and overnight lows near 23°C, with 178 mm of rain across 23.7 wet days and about 12 hours of daylight. It is the 12th-warmest and 10th-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 6% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of July to 12 hours by month's end. Set against the rest of the year, July is Loa Janan's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Loa Janan's year-round climate.

Daytime high
31°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
178 mm
23.7 wet days
Daylight
12 hours
6:18 AM – 6:16 PM
Cloud cover
77%
3rd clearest
Wind
6 km/h
2nd windiest
Solar energy
4.64 kWh/m²
Travel score
3.1
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Loa Janan reaches about 31°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 29°C and 32°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How July really feels in Loa Janan

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Loa Janan weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 10th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
42080
52080
62080
72080
82179
92278
102278
112377
122377
132476
142476
152476
162575
172575
182575
192575
202575
212575
222674
232674
242674
252674
262575
272575
282575
292575
302575
312575

Chance of precipitation in July

Any precipitation

Loa Janan gets around 178 mm of rain over 23.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
182
281
381
480
580
680
779
879
979
1079
1178
1278
1378
1478
1578
1678
1777
1877
1977
2076
2176
2275
2375
2474
2573
2672
2771
2871
2970
3069
3168

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14159
24258
34456
44555
54654
64753
74852
84951
95050
105149
115149
125248
135248
145248
155347
165347
175347
185446
195545
205644
215644
225743
235842
246040
256139
266238
276337
286436
296535
306634
316634

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
317calm

Sunrise & sunset in July

DaylightNight

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

Days grow by about 0 minutes over July. Sunrise moves from 6:16 AM to 6:18 AM, and sunset from 6:14 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:166:14
212.06:166:14
312.06:166:14
412.06:176:15
512.06:176:15
612.06:176:15
712.06:176:15
812.06:176:15
912.06:176:15
1012.06:176:16
1112.06:186:16
1212.06:186:16
1312.06:186:16
1412.06:186:16
1512.06:186:16
1612.06:186:16
1712.06:186:16
1812.06:186:17
1912.06:186:17
2012.06:186:17
2112.06:196:17
2212.06:196:17
2312.06:196:17
2412.06:196:17
2512.06:196:17
2612.06:196:17
2712.06:196:17
2812.06:196:17
2912.06:196:17
3012.06:196:17
3112.06:186:17

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.64 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 — July's 4.64 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Loa Janan?

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

3.1
Sightseeing
2nd-best month of the year
4.5
Beach & pool
3rd-best month of the year

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

What to pack for Loa Janan in July

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

In July, Loa Janan sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Loa Janan in July

The nearest coast averages about 29°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).