Merauke weather in April

In April, Merauke sees average daytime highs of 29°C and overnight lows near 25°C, with 206 mm of rain across 22.4 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 9% of the time in April, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Merauke's 8th-clearest and 9th-windiest month. For the whole year in context, see Merauke's year-round climate.

Daytime high
29°
5th warmest
Overnight low
25°
7th coldest
Rainfall
206 mm
22.4 wet days
Daylight
11 h 48 min
5:44 AM – 5:33 PM
Cloud cover
80%
8th clearest
Wind
12 km/h
9th windiest
Solar energy
4.81 kWh/m²
Travel score
3.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical April day in Merauke reaches about 29°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 30°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How April really feels in Merauke

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

Merauke weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 5th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41783
51882
61882
71882
81882
91882
101882
111981
121981
131981
142179
152179
162179
172179
182278
192377
202377
212377
222476
232476
242476
252476
262575
272575
282674
292674
302674

Chance of precipitation in April

Any precipitation

Merauke gets around 206 mm of rain over 22.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 75% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
181
281
380
480
580
679
779
879
979
1079
1178
1278
1377
1477
1576
1676
1775
1874
1973
2072
2172
2271
2370
2469
2568
2668
2767
2867
2966
3066

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
113564
213564
313663
413762
513861
613861
713960
814059
924157
1024256
1124355
1224454
1324454
1424553
1524652
1624652
1724751
1824751
1924751
2024850
2124850
2224850
2314851
2414950
2514950
2615049
2715148
2815148
2915247
3025345

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1312calm
1412calm
1512calm
1612light breeze
1712light breeze
1812light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:45 AM to 5:44 AM, and sunset from 5:41 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:455:41
211.95:455:40
311.95:455:40
411.95:455:39
511.95:455:39
611.95:455:38
711.95:455:38
811.95:455:37
911.95:455:37
1011.95:445:36
1111.95:445:35
1211.85:445:35
1311.85:445:34
1411.85:445:34
1511.85:445:33
1611.85:445:33
1711.85:445:32
1811.85:445:32
1911.85:445:32
2011.85:445:31
2111.85:445:31
2211.85:445:30
2311.85:445:30
2411.85:445:29
2511.75:445:29
2611.75:445:29
2711.75:445:28
2811.75:445:28
2911.75:445:27
3011.75:445:27

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.81 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 — April's 4.81 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Merauke

In seasonPeak

In April, Merauke sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

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 April a good time to visit Merauke?

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

3.5
Sightseeing
8th-best month of the year
4.7
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Merauke.

What to pack for Merauke in April

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

In April, Merauke sees daytime highs around 29°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 Merauke in April

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

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (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 April

GoodModeratePoorUnhealthyVery unhealthy

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