Nunukan weather in August

In August, Nunukan sees average daytime highs of 30°C and overnight lows near 24°C, with 192 mm of rain across 28.5 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 7th-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 8% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Nunukan's 3rd-clearest and 4th-windiest month. For the whole year in context, see Nunukan's year-round climate.

Daytime high
30°
9th warmest
Overnight low
24°
8th coldest
Rainfall
192 mm
28.5 wet days
Daylight
12 h 06 min
6:09 AM – 6:18 PM
Cloud cover
77%
3rd clearest
Wind
5 km/h
4th windiest
Solar energy
5.14 kWh/m²
Travel score
2.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Nunukan reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How August really feels in Nunukan

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nunukan weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°16822.411.83.4
Feb30° / 24°12517.611.93.6
Mar31° / 24°15623.4123.2
Apr31° / 25°17226.512.12.8
May31° / 25°22229.912.22.5
Jun30° / 25°21728.212.22.7
Jul30° / 24°19828.612.22.8
Aug30° / 24°19228.512.12.8
Sep30° / 24°18627122.8
Oct30° / 24°22428.611.92.7
Nov30° / 24°1992811.82.6
Dec30° / 24°19726.711.82.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42179
52278
62278
72278
82377
92278
102278
112278
122377
132278
142278
152278
162179
172179
182179
192179
202080
212080
222179
232179
242080
252080
262179
272179
282278
292278
302377
312278

Chance of precipitation in August

Any precipitation

Nunukan gets around 192 mm of rain over 28.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
392
492
592
692
792
891
991
1091
1190
1290
1390
1490
1590
1690
1791
1891
1991
2091
2192
2292
2392
2493
2593
2693
2793
2893
2993
3093
3193

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12377
22476
32476
42476
52575
62575
72674
82674
92674
102674
112674
122674
132674
142674
152575
162575
172575
182575
192575
202476
212476
222476
232476
242476
252476
262377
272377
282377
292377
302377
312377

Wind in August

Winds average 5 km/h in August.

Across August, 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.

0246810151015202531
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
315calm

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 6 minutes over August. Sunrise moves from 6:10 AM to 6:07 AM, and sunset from 6:21 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:106:21
212.26:106:21
312.26:106:21
412.26:106:20
512.26:106:20
612.26:106:20
712.26:106:20
812.26:106:20
912.26:106:19
1012.26:106:19
1112.26:106:19
1212.16:106:19
1312.16:106:18
1412.16:106:18
1512.16:106:18
1612.16:096:18
1712.16:096:17
1812.16:096:17
1912.16:096:17
2012.16:096:16
2112.16:096:16
2212.16:096:16
2312.16:086:15
2412.16:086:15
2512.16:086:14
2612.16:086:14
2712.16:086:14
2812.16:086:13
2912.16:076:13
3012.16:076:12
3112.16:076:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.35 kWh/m² in March across the year — August's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Nunukan

In seasonPeak

In August, Nunukan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Nunukan sits in the Pacific typhoon belt; the season peaks July–October.

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

Is August a good time to visit Nunukan?

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

2.8
Sightseeing
5th-best month of the year
3.9
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Nunukan.

What to pack for Nunukan in August

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

In August, Nunukan sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Nunukan in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 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
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Nunukan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nunukan peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Dec 15UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Nunukan in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Nunukan is worst in September — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1716 µg/m³Jan 129 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar12Moderate
Apr12Moderate
May12Good
Jun11Good
Jul12Good
Aug14Moderate
Sep16Moderate
Oct15Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Nunukan?

Nunukan sits at 4.1°N, 117.7°E, 19 m above sea level, in Indonesia. The nearest listed city is Tawau, 29 km away.

Topography around Nunukan

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

Within 3 km, the terrain around Nunukan has only modest variations in elevation — a maximum elevation change of 110 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 432 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,504 m.

The land around Nunukan is covered by water (45%) and trees (37%) within 3 km, trees (43%), water (30%) and mangroves (22%) within 16 km, and trees (58%) and water (31%) within 80 km.

3 km
110 m
16 km
432 m
80 km
1,504 m
treesgrasslandartificial surfacesbare terrainwatermangroves
August weather nearby: Tawau 29 km · Tarakan 92 km · Semporna 113 km · Lahad Datu 124 km · Malinau 129 km · Tanjung Selor 148 km · Bandar Nabawan 169 km · Sandakan 196 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 Nunukan (4.1384°, 117.6507°, elevation 19 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).