Merauke weather in August

In August, Merauke sees average daytime highs of 28°C and overnight lows near 23°C, with 27 mm of rain across 7.6 wet days and about 11.7 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 13% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Merauke's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Merauke's year-round climate.

Daytime high
28°
11th warmest
Overnight low
23°
1st coldest
Rainfall
27 mm
7.6 wet days
Daylight
11 h 42 min
5:51 AM – 5:34 PM
Cloud cover
70%
3rd clearest
Wind
19 km/h
2nd windiest
Solar energy
4.63 kWh/m²
Travel score
6.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Merauke reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How August really feels in Merauke

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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Merauke weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°27527.812.42.9
Feb29° / 25°26025.812.32.9
Mar29° / 25°29727.312.13.0
Apr29° / 25°20622.411.83.5
May29° / 25°10618.111.64.4
Jun28° / 24°4912.311.55.5
Jul28° / 23°278.411.66.3
Aug28° / 23°277.611.76.3
Sep29° / 24°338125.5
Oct30° / 24°7011.612.24.7
Nov31° / 25°10616.212.43.9
Dec30° / 25°20825.512.53.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22773
32773
42872
52872
62971
73070
83070
93169
103268
113169
123169
133268
143268
153070
163070
173169
183169
193070
203070
213070
223070
233070
243070
253070
263169
273070
283169
293268
303268
313268

Chance of precipitation in August

Any precipitation

Merauke gets around 27 mm of rain over 7.6 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
225
325
425
525
625
725
825
925
1025
1125
1225
1324
1424
1523
1623
1723
1823
1923
2023
2123
2223
2324
2424
2525
2625
2726
2826
2927
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1450460
2450460
3451450
4451450
5451450
6550450
7550450
8549450
9549450
10549450
11549450
12550441
13550441
14551431
15551431
16552421
17552421
18552421
19552421
20552421
21452431
22452431
23451441
24450451
25450461
26349471
27348481
28347481
29346491
30345502
31345502

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 36 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 5:56 AM to 5:44 AM, and sunset from 5:33 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:565:33
211.65:555:33
311.65:555:33
411.65:555:33
511.65:555:34
611.75:545:34
711.75:545:34
811.75:545:34
911.75:545:34
1011.75:535:34
1111.75:535:34
1211.75:525:34
1311.75:525:34
1411.75:525:34
1511.75:515:34
1611.75:515:34
1711.75:515:34
1811.75:505:34
1911.75:505:34
2011.75:495:34
2111.85:495:34
2211.85:485:34
2311.85:485:34
2411.85:475:34
2511.85:475:34
2611.85:465:34
2711.85:465:34
2811.85:455:34
2911.85:455:33
3011.85:445:33
3111.85:445:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.63 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.07 kWh/m² in November across the year — August's 4.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Merauke

In seasonPeak

None of Merauke's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Merauke sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Merauke's monsoon runs December–April, when most of the year's rain falls.

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

Is August a good time to visit Merauke?

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

6.3
Sightseeing
1st-best month of the year
6.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Merauke for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Merauke in August

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

In August, Merauke sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Merauke in August

The nearest coast averages about 26°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 14 km away) is warmest in December at about 30°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep27Warm
Oct28Warm
Nov29Tropical
Dec30Tropical

UV index in Merauke in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Merauke peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 16Jun 19UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Merauke 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 Merauke is worst in October — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1817 µg/m³May 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar9Good
Apr8Good
May8Good
Jun8Good
Jul8Good
Aug9Good
Sep13Moderate
Oct18Moderate
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Merauke?

Merauke sits at 8.5°S, 140.4°E, 8 m above sea level, in Indonesia. The nearest listed city is Daru, 315 km away.

DaruAgatsMendiWamenaTiomMuliaTimika

Topography around Merauke

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

Within 3 km, the terrain around Merauke has only modest variations in elevation — a maximum elevation change of 13 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 28 m; within 80 km, only modest variations in elevation — a maximum elevation change of 52 m.

The land around Merauke is covered by trees (42%), artificial surfaces (26%) and grassland (20%) within 3 km, trees (42%) and water (41%) within 16 km, and trees (58%) and water (32%) within 80 km.

3 km
13 m
16 km
28 m
80 km
52 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Daru 315 km · Agats 413 km · Mendi 444 km · Mount Hagen 514 km · Wamena 516 km · Tiom 553 km · Mulia 596 km · Timika 597 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 Merauke (-8.4996°, 140.4061°, elevation 8 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).