Biak weather in March

In March, Biak sees average daytime highs of 28°C and overnight lows near 26°C, with 238 mm of rain across 27.8 wet days and about 12 hours of daylight. It is the 9th-warmest and 5th-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 5% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of March to 12 hours by month's end. Set against the rest of the year, March is Biak's 9th-clearest and 1st-windiest month. For the whole year in context, see Biak's year-round climate.

Daytime high
28°
9th warmest
Overnight low
26°
5th coldest
Rainfall
238 mm
27.8 wet days
Daylight
12 hours
6:05 AM – 6:06 PM
Cloud cover
82%
9th clearest
Wind
12 km/h
1st windiest
Solar energy
5.26 kWh/m²
Travel score
3.6
out of 10

Biak is capital city of Biak Numfor Regency, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Biak reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°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, March runs on par with February and on par with April.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How March really feels in Biak

Once humidity and wind are folded in, March averages 2 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
2
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Biak weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°22927.512.13.6
Feb28° / 26°19423.4123.8
Mar28° / 26°23827.8123.6
Apr28° / 26°25327.3123.5
May28° / 26°22326.911.93.6
Jun28° / 26°27626.711.93.8
Jul28° / 26°24926.111.94.0
Aug28° / 26°22524.1124.3
Sep28° / 26°20324.5124.1
Oct28° / 26°19625.6123.8
Nov28° / 26°21126.112.13.5
Dec28° / 26°25028.712.13.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71486
81387
91387
101387
111387
121486
131486
141585
151585
161684
171783
181783
191882
201882
211882
221882
231882
241882
251882
261783
271783
281783
291783
301585
311585

Chance of precipitation in March

Any precipitation

Biak gets around 238 mm of rain over 27.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
288
388
489
589
690
790
890
990
1090
1190
1290
1390
1490
1590
1690
1789
1889
1989
2089
2189
2289
2389
2489
2590
2690
2790
2890
2990
3090
3190

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16139
26139
36040
46040
56040
65941
75941
85941
95941
106040
116040
126040
136040
146139
156139
166040
176040
185941
195941
205842
215743
225644
235644
245545
255347
265248
275149
285050
294951
304753
314654

Wind in March

Winds average 12 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in March

DaylightNight

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

Days grow by about 0 minutes over March. Sunrise moves from 6:08 AM to 6:01 AM, and sunset from 6:10 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:086:10
212.06:086:09
312.06:086:09
412.06:086:09
512.06:086:09
612.06:076:08
712.06:076:08
812.06:076:08
912.06:076:08
1012.06:076:07
1112.06:066:07
1212.06:066:07
1312.06:066:07
1412.06:066:06
1512.06:056:06
1612.06:056:06
1712.06:056:05
1812.06:056:05
1912.06:046:05
2012.06:046:04
2112.06:046:04
2212.06:036:04
2312.06:036:03
2412.06:036:03
2512.06:036:03
2612.06:026:02
2712.06:026:02
2812.06:026:01
2912.06:016:01
3012.06:016:01
3112.06:016:00

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.48 kWh/m² in October across the year — March's 5.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in March

Is March a good time to visit Biak?

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

3.6
Sightseeing
7th-best month of the year
3.9
Beach & pool
10th-best month of the year

March is a weaker month for outdoor sightseeing in Biak.

What to pack for Biak in March

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

In March, Biak sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Biak in March

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

The sea offshore is warmest in November at about 30°C and coldest in March 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
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct30Tropical
Nov30Tropical
Dec30Tropical

UV index in Biak in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Biak peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 18UV 12
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Biak?

Biak sits at 1.2°S, 136.1°E, 10 m above sea level, in Indonesia. The nearest listed city is Ransiki, 216 km away.

BintuniMuliaTimikaTiomTeminabuan

Topography around Biak

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

Within 3 km, the terrain around Biak has only modest variations in elevation — a maximum elevation change of 169 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,442 m.

The land around Biak is covered by water (31%), trees (30%) and grassland (22%) within 3 km, water (52%) and trees (45%) within 16 km, and water (79%) and trees (21%) within 80 km.

3 km
169 m
16 km
219 m
80 km
1,442 m
treesgrasslandartificial surfaceswater
March weather nearby: Ransiki 216 km · Manokwari 227 km · Nabire 251 km · Bintuni 303 km · Mulia 353 km · Timika 388 km · Tiom 403 km · Teminabuan 453 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 Biak (-1.1767°, 136.082°, elevation 10 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).