Waisai weather in April

In April, Waisai sees average daytime highs of 28°C and overnight lows near 25°C, with 286 mm of rain across 27.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 1st-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 3% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of April to 12 hours by month's end. Set against the rest of the year, April is Waisai's 8th-clearest and 12th-windiest month. For the whole year in context, see Waisai's year-round climate.

Daytime high
28°
4th warmest
Overnight low
25°
11th coldest
Rainfall
286 mm
27.6 wet days
Daylight
12 hours
6:18 AM – 6:18 PM
Cloud cover
83%
8th clearest
Wind
7 km/h
12th windiest
Solar energy
5.35 kWh/m²
Travel score
3.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

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

A typical April day in Waisai reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°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, April runs on par with March and on par with May.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282826
292826
302826

How April really feels in Waisai

Once humidity and wind are folded in, April averages 28 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
28
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.

Waisai weather by month

How April compares with the rest of the year at a glance. April is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°24626.6123.6
Feb28° / 25°19323.3123.7
Mar28° / 25°25826.4123.5
Apr28° / 25°28627.6123.3
May28° / 26°27427.1123.5
Jun28° / 25°27925124.0
Jul27° / 25°23123.4124.3
Aug27° / 25°16919.2124.9
Sep28° / 25°18521.2124.5
Oct28° / 25°20022.8124.1
Nov28° / 25°22026.1123.5
Dec28° / 25°26628.6123.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41189
51189
61189
71189
81189
91189
101189
111189
121189
131288
141288
151288
161387
171387
181486
191486
201486
211486
221585
231585
241585
251684
261684
271684
281684
291684
301684

Chance of precipitation in April

Any precipitation

Waisai gets around 286 mm of rain over 27.6 wet days in April, the wettest month. 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%151015202530
Rain chance (%)
189
289
390
490
590
690
790
891
991
1091
1191
1292
1392
1492
1593
1693
1793
1893
1993
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3092

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16238
26238
36139
46040
55941
65941
75842
85743
95545
105446
115347
125248
135149
145050
154951
164852
174753
184654
194555
204456
214357
224357
234258
244159
254060
263961
273862
283763
293763
303664

Wind in April

Winds average 7 km/h in April, the calmest month.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 0 minutes over April. Sunrise moves from 6:23 AM to 6:16 AM, and sunset from 6:23 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:236:23
212.06:226:22
312.06:226:22
412.06:226:22
512.06:216:21
612.06:216:21
712.06:216:21
812.06:216:20
912.06:206:20
1012.06:206:20
1112.06:206:19
1212.06:196:19
1312.06:196:19
1412.06:196:19
1512.06:196:18
1612.06:186:18
1712.06:186:18
1812.06:186:18
1912.06:186:17
2012.06:176:17
2112.06:176:17
2212.06:176:17
2312.06:176:16
2412.06:176:16
2512.06:166:16
2612.06:166:16
2712.06:166:16
2812.06:166:15
2912.06:166:15
3012.06:166:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 5.79 kWh/m² in October across the year — April's 5.35 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Waisai?

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

3.3
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

April is a weaker month for outdoor sightseeing in Waisai.

What to pack for Waisai in April

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

In April, Waisai sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Waisai 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 19 km away) is warmest in May at about 29°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
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Waisai in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Waisai peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 16Jul 12UV 12
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct15Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Waisai?

Waisai sits at 0.2°S, 130.5°E, 185 m above sea level, in Indonesia. The nearest listed city is Sorong, 110 km away.

SofifiTobeloDarubaFakfakTernateKawasi

Topography around Waisai

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

Within 3 km, the terrain around Waisai has significant variations in elevation — a maximum elevation change of 411 m around an average of 151 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 733 m; within 80 km, large variations in elevation — a maximum elevation change of 1,155 m.

The land around Waisai is covered by trees (75%) and water (23%) within 3 km, trees (66%) and water (32%) within 16 km, and water (81%) within 80 km.

3 km
411 m
16 km
733 m
80 km
1,155 m
treeswatermangroves
April weather nearby: Sorong 110 km · Teminabuan 214 km · Sofifi 345 km · Tobelo 353 km · Daruba 354 km · Fakfak 359 km · Ternate 366 km · Kawasi 376 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 Waisai (-0.2379°, 130.5072°, elevation 185 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).