West Island weather in April

In April, West Island sees average daytime highs of 28°C and overnight lows near 26°C, with 196 mm of rain across 20.2 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 2nd-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 32% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 36 min by month's end. Set against the rest of the year, April is West Island's 10th-clearest and 8th-windiest month. For the whole year in context, see West Island's year-round climate.

Daytime high
28°
1st warmest
Overnight low
26°
12th coldest
Rainfall
196 mm
20.2 wet days
Daylight
11 h 42 min
6:11 AM – 5:55 PM
Cloud cover
61%
10th clearest
Wind
24 km/h
8th windiest
Solar energy
5.23 kWh/m²
Travel score
4.9
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 West Island reaches about 28°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, April runs on par with March and on par with May.

24°26°28°30°32°151015202530
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
292726
302726

West Island weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°11413.312.66.0
Feb27° / 26°17715.612.45.4
Mar28° / 26°20120.612.14.9
Apr28° / 26°19620.211.74.9
May27° / 26°13218.711.45.3
Jun27° / 26°13317.311.35.4
Jul26° / 25°12017.611.45.6
Aug26° / 25°6214.111.66.2
Sep26° / 25°588.711.96.9
Oct26° / 25°48712.37.2
Nov26° / 25°948.212.66.9
Dec27° / 26°11210.512.76.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44654
54654
64852
74852
84852
94852
105050
115050
125149
135149
145149
155149
165149
175149
185050
195050
205050
215050
225050
235050
244951
254951
264951
275050
285050
295149
305149

Chance of precipitation in April

Any precipitation

West Island gets around 196 mm of rain over 20.2 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 67% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
168
268
368
467
567
667
767
867
967
1067
1166
1266
1366
1466
1566
1666
1766
1866
1967
2067
2167
2267
2367
2466
2566
2666
2766
2865
2965
3065

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
125840
225840
325939
425939
525939
625939
725939
825939
925840
1025741
1125741
1225642
1325543
1425444
1525444
1625345
1715346
1815346
1915247
2015247
2115148
2215148
2315148
2415247
2515247
2615346
2725345
2825345
2925444
3025543

Wind in April

Winds average 24 km/h in April.

Across April, daily wind ranges from about 22 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
122breezy
222breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over April. Sunrise moves from 6:10 AM to 6:13 AM, and sunset from 6:04 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:106:04
211.96:106:04
311.96:106:03
411.96:106:02
511.96:116:02
611.86:116:01
711.86:116:00
811.86:116:00
911.86:115:59
1011.86:115:58
1111.86:115:58
1211.86:115:57
1311.86:115:57
1411.86:115:56
1511.76:115:55
1611.76:115:55
1711.76:115:54
1811.76:115:54
1911.76:115:53
2011.76:115:53
2111.76:115:52
2211.76:125:51
2311.76:125:51
2411.66:125:50
2511.66:125:50
2611.66:125:49
2711.66:125:49
2811.66:125:48
2911.66:125:48
3011.66:135:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.46 kWh/m² in January across the year — April's 5.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit West Island?

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

4.9
Sightseeing
11th-best month of the year
5.2
Beach & pool
11th-best month of the year

April is a reasonable time to visit West Island for sightseeing.

What to pack for West Island in April

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

In April, West Island sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 20 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near West Island 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 offshore is warmest in March at about 29°C and coldest in September near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in West Island in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 West Island peaks around January 24 at about 15 (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 highExtremeJan 24UV 15Jun 19UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is West Island?

West Island sits at 12.2°S, 96.8°E, 12 m above sea level, in Cocos Islands. The nearest listed city is Flying Fish Cove, 985 km away.

Topography around West Island

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

Within 3 km, the terrain around West Island has only modest variations in elevation — a maximum elevation change of 18 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 18 m; within 80 km, only modest variations in elevation — a maximum elevation change of 15 m.

3 km
18 m
16 km
18 m
80 km
15 m
April weather nearby: Flying Fish Cove 985 km · Bengkulu 1,105 km · Pagar Alam 1,148 km · Curup 1,152 km · Labuan 1,179 km · Lubuklinggau 1,189 km · Lahat 1,189 km · Bandar Lampung 1,191 km

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for West Island (-12.1568°, 96.8225°, elevation 12 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).