West Island weather in January

In January, West Island sees average daytime highs of 27°C and overnight lows near 26°C, with 114 mm of rain across 13.3 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is West Island's 5th-clearest and 11th-windiest month. For the whole year in context, see West Island's year-round climate.

Daytime high: 27°; 5th warmest
Overnight low: 26°; 8th coldest
Rainfall: 114 mm; 13.3 wet days
Daylight: 12 h 36 min; 5:53 AM – 6:31 PM
Cloud cover: 58%; 5th clearest
Wind: 20 km/h; 11th windiest
Solar energy: 6.46 kWh/m²
Travel score: 6.0; out of 10

← December West Island year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in West Island reaches about 27°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 26°C and 28°C. Set against its neighbours, January runs on par with December and on par with February.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26

	Avg high (°C)	Avg low (°C)
1	27	26
2	27	26
3	27	26
4	27	26
5	27	26
6	27	26
7	27	26
8	27	26
9	27	26
10	27	26
11	27	26
12	27	26
13	27	26
14	27	26
15	27	26
16	27	26
17	27	26
18	27	26
19	27	26
20	27	26
21	27	26
22	27	26
23	27	26
24	27	26
25	27	26
26	27	26
27	27	26
28	27	26
29	27	26
30	27	26
31	27	26

West Island weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 26°	114	13.3	12.6	6.0
Feb	27° / 26°	177	15.6	12.4	5.4
Mar	28° / 26°	201	20.6	12.1	4.9
Apr	28° / 26°	196	20.2	11.7	4.9
May	27° / 26°	132	18.7	11.4	5.3
Jun	27° / 26°	133	17.3	11.3	5.4
Jul	26° / 25°	120	17.6	11.4	5.6
Aug	26° / 25°	62	14.1	11.6	6.2
Sep	26° / 25°	58	8.7	11.9	6.9
Oct	26° / 25°	48	7	12.3	7.2
Nov	26° / 25°	94	8.2	12.6	6.9
Dec	27° / 26°	112	10.5	12.7	6.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	58	59	60	60	61	61	61	62	62	63	63	63	62	62	61	61	60	59	57	56	55	53	52	52	50	50	49	49	48	48	47
Cloudier (%)	42	41	40	40	39	39	39	38	38	37	37	37	38	38	39	39	40	41	43	44	45	47	48	48	50	50	51	51	52	52	53

	Clearer (%)	Cloudier (%)
1	58	42
2	59	41
3	60	40
4	60	40
5	61	39
6	61	39
7	61	39
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	62	38
14	62	38
15	61	39
16	61	39
17	60	40
18	59	41
19	57	43
20	56	44
21	55	45
22	53	47
23	52	48
24	52	48
25	50	50
26	50	50
27	49	51
28	49	51
29	48	52
30	48	52
31	47	53

Chance of precipitation in January

Any precipitation

West Island gets around 114 mm of rain over 13.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	40	40	40	40	39	38	38	37	37	37	37	37	37	38	39	40	41	42	44	45	46	48	49	51	52	53	54	55	55	56	56

	Rain chance (%)
1	40
2	40
3	40
4	40
5	39
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	38
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	48
23	49
24	51
25	52
26	53
27	54
28	55
29	55
30	56
31	56

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Humid (%)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Muggy (%)	22	22	21	21	20	20	19	19	19	19	18	18	18	17	17	16	16	16	15	15	15	14	14	14	13	13	12	12	12	11	11
Oppressive (%)	69	70	72	72	74	74	75	76	76	76	77	77	77	77	77	78	77	77	77	77	76	77	76	75	76	75	76	75	75	76	75
Miserable (%)	8	7	7	7	6	6	6	5	5	5	5	5	5	6	6	6	7	7	8	8	9	9	10	11	11	12	12	13	13	13	14

	Humid (%)	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	22	69	8
2	1	22	70	7
3	0	21	72	7
4	0	21	72	7
5	0	20	74	6
6	0	20	74	6
7	0	19	75	6
8	0	19	76	5
9	0	19	76	5
10	0	19	76	5
11	0	18	77	5
12	0	18	77	5
13	0	18	77	5
14	0	17	77	6
15	0	17	77	6
16	0	16	78	6
17	0	16	77	7
18	0	16	77	7
19	0	15	77	8
20	0	15	77	8
21	0	15	76	9
22	0	14	77	9
23	0	14	76	10
24	0	14	75	11
25	0	13	76	11
26	0	13	75	12
27	0	12	76	12
28	0	12	75	13
29	0	12	75	13
30	0	11	76	13
31	0	11	75	14

Wind in January

Winds average 20 km/h in January.

Across January, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	22	22	22	21	21	21	21	21	21	21	21	20	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	19	19	19	19
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	22	breezy
2	22	breezy
3	22	breezy
4	21	breezy
5	21	breezy
6	21	breezy
7	21	breezy
8	21	breezy
9	21	breezy
10	21	breezy
11	21	breezy
12	20	breezy
13	20	breezy
14	20	breezy
15	20	breezy
16	20	breezy
17	20	light breeze
18	20	light breeze
19	20	light breeze
20	20	light breeze
21	19	light breeze
22	19	light breeze
23	19	light breeze
24	19	light breeze
25	19	light breeze
26	19	light breeze
27	19	light breeze
28	19	light breeze
29	19	light breeze
30	19	light breeze
31	19	light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 42 min at the start of January to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:45 AM to 6:00 AM, and sunset from 6:27 PM to 6:32 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5
Sunrise (AM)	5:45	5:45	5:46	5:46	5:47	5:47	5:48	5:48	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	5:53	5:54	5:54	5:55	5:55	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59	5:59	6:00
Sunset (PM)	6:27	6:27	6:28	6:28	6:28	6:29	6:29	6:29	6:30	6:30	6:30	6:30	6:31	6:31	6:31	6:31	6:31	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32	6:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:45	6:27
2	12.7	5:45	6:27
3	12.7	5:46	6:28
4	12.7	5:46	6:28
5	12.7	5:47	6:28
6	12.7	5:47	6:29
7	12.7	5:48	6:29
8	12.7	5:48	6:29
9	12.7	5:49	6:30
10	12.7	5:50	6:30
11	12.7	5:50	6:30
12	12.7	5:51	6:30
13	12.7	5:51	6:31
14	12.7	5:52	6:31
15	12.6	5:52	6:31
16	12.6	5:53	6:31
17	12.6	5:53	6:31
18	12.6	5:54	6:32
19	12.6	5:54	6:32
20	12.6	5:55	6:32
21	12.6	5:55	6:32
22	12.6	5:56	6:32
23	12.6	5:56	6:32
24	12.6	5:57	6:32
25	12.6	5:57	6:32
26	12.6	5:58	6:32
27	12.6	5:58	6:32
28	12.6	5:59	6:32
29	12.6	5:59	6:32
30	12.5	5:59	6:32
31	12.5	6:00	6:32

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.46 kWh/m² — the sunniest month for solar.

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 — January's 6.46 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.4	6.4	6.4	6.4	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.4	6.4	6.4	6.4	6.4	6.4	6.3	6.3	6.3	6.3	6.3
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.4	Intense
2	6.4	Intense
3	6.4	Intense
4	6.4	Intense
5	6.5	Intense
6	6.5	Intense
7	6.5	Intense
8	6.5	Intense
9	6.5	Intense
10	6.5	Intense
11	6.5	Intense
12	6.5	Intense
13	6.5	Intense
14	6.5	Intense
15	6.5	Intense
16	6.5	Intense
17	6.5	Intense
18	6.5	Intense
19	6.5	Intense
20	6.5	Intense
21	6.4	Intense
22	6.4	Intense
23	6.4	Intense
24	6.4	Intense
25	6.4	Intense
26	6.4	Intense
27	6.3	Intense
28	6.3	Intense
29	6.3	Intense
30	6.3	Intense
31	6.3	Intense

Planning a trip in January

Is January a good time to visit West Island?

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

6.0

Sightseeing

6th-best month of the year

6.1

Beach & pool

5th-best month of the year

January is a reasonable time to visit West Island for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for West Island in January

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

In January, West Island sees daytime highs around 27°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear and a windbreaker. About 13 days see rain.

light clothessun protectionrain geara windbreaker

Sea temperature near West Island in January

The nearest coast averages about 28°C in January — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	28	29	29	28	28	27	27	27	27	27	27
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Tropical
Feb	28	Tropical
Mar	29	Tropical
Apr	29	Tropical
May	28	Tropical
Jun	28	Warm
Jul	27	Warm
Aug	27	Warm
Sep	27	Warm
Oct	27	Warm
Nov	27	Warm
Dec	27	Warm

UV index in West Island in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	15	15	12	10	9	10	11	13	14	12	13
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	12	Extreme
May	10	Extreme
Jun	9	Very high
Jul	10	Very high
Aug	11	Extreme
Sep	13	Extreme
Oct	14	Extreme
Nov	12	Extreme
Dec	13	Extreme

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

← December West Island year-round climate February →Best places to visit in January

January 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).

	Avg high (°C)	Avg low (°C)
1	27	26
2	27	26
3	27	26
4	27	26
5	27	26
6	27	26
7	27	26
8	27	26
9	27	26
10	27	26
11	27	26
12	27	26
13	27	26
14	27	26
15	27	26
16	27	26
17	27	26
18	27	26
19	27	26
20	27	26
21	27	26
22	27	26
23	27	26
24	27	26
25	27	26
26	27	26
27	27	26
28	27	26
29	27	26
30	27	26
31	27	26

	Clearer (%)	Cloudier (%)
1	58	42
2	59	41
3	60	40
4	60	40
5	61	39
6	61	39
7	61	39
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	62	38
14	62	38
15	61	39
16	61	39
17	60	40
18	59	41
19	57	43
20	56	44
21	55	45
22	53	47
23	52	48
24	52	48
25	50	50
26	50	50
27	49	51
28	49	51
29	48	52
30	48	52
31	47	53

	Rain chance (%)
1	40
2	40
3	40
4	40
5	39
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	38
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	48
23	49
24	51
25	52
26	53
27	54
28	55
29	55
30	56
31	56

	Humid (%)	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	22	69	8
2	1	22	70	7
3	0	21	72	7
4	0	21	72	7
5	0	20	74	6
6	0	20	74	6
7	0	19	75	6
8	0	19	76	5
9	0	19	76	5
10	0	19	76	5
11	0	18	77	5
12	0	18	77	5
13	0	18	77	5
14	0	17	77	6
15	0	17	77	6
16	0	16	78	6
17	0	16	77	7
18	0	16	77	7
19	0	15	77	8
20	0	15	77	8
21	0	15	76	9
22	0	14	77	9
23	0	14	76	10
24	0	14	75	11
25	0	13	76	11
26	0	13	75	12
27	0	12	76	12
28	0	12	75	13
29	0	12	75	13
30	0	11	76	13
31	0	11	75	14

	Avg high (°C)	Avg low (°C)
1	27	26
2	27	26
3	27	26
4	27	26
5	27	26
6	27	26
7	27	26
8	27	26
9	27	26
10	27	26
11	27	26
12	27	26
13	27	26
14	27	26
15	27	26
16	27	26
17	27	26
18	27	26
19	27	26
20	27	26
21	27	26
22	27	26
23	27	26
24	27	26
25	27	26
26	27	26
27	27	26
28	27	26
29	27	26
30	27	26
31	27	26

	Clearer (%)	Cloudier (%)
1	58	42
2	59	41
3	60	40
4	60	40
5	61	39
6	61	39
7	61	39
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	62	38
14	62	38
15	61	39
16	61	39
17	60	40
18	59	41
19	57	43
20	56	44
21	55	45
22	53	47
23	52	48
24	52	48
25	50	50
26	50	50
27	49	51
28	49	51
29	48	52
30	48	52
31	47	53

	Rain chance (%)
1	40
2	40
3	40
4	40
5	39
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	38
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	48
23	49
24	51
25	52
26	53
27	54
28	55
29	55
30	56
31	56

	Humid (%)	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	22	69	8
2	1	22	70	7
3	0	21	72	7
4	0	21	72	7
5	0	20	74	6
6	0	20	74	6
7	0	19	75	6
8	0	19	76	5
9	0	19	76	5
10	0	19	76	5
11	0	18	77	5
12	0	18	77	5
13	0	18	77	5
14	0	17	77	6
15	0	17	77	6
16	0	16	78	6
17	0	16	77	7
18	0	16	77	7
19	0	15	77	8
20	0	15	77	8
21	0	15	76	9
22	0	14	77	9
23	0	14	76	10
24	0	14	75	11
25	0	13	76	11
26	0	13	75	12
27	0	12	76	12
28	0	12	75	13
29	0	12	75	13
30	0	11	76	13
31	0	11	75	14

	Avg high (°C)	Avg low (°C)
1	27	26
2	27	26
3	27	26
4	27	26
5	27	26
6	27	26
7	27	26
8	27	26
9	27	26
10	27	26
11	27	26
12	27	26
13	27	26
14	27	26
15	27	26
16	27	26
17	27	26
18	27	26
19	27	26
20	27	26
21	27	26
22	27	26
23	27	26
24	27	26
25	27	26
26	27	26
27	27	26
28	27	26
29	27	26
30	27	26
31	27	26

	Clearer (%)	Cloudier (%)
1	58	42
2	59	41
3	60	40
4	60	40
5	61	39
6	61	39
7	61	39
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	62	38
14	62	38
15	61	39
16	61	39
17	60	40
18	59	41
19	57	43
20	56	44
21	55	45
22	53	47
23	52	48
24	52	48
25	50	50
26	50	50
27	49	51
28	49	51
29	48	52
30	48	52
31	47	53

	Rain chance (%)
1	40
2	40
3	40
4	40
5	39
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	38
15	39
16	40
17	41
18	42
19	44
20	45
21	46
22	48
23	49
24	51
25	52
26	53
27	54
28	55
29	55
30	56
31	56

	Humid (%)	Muggy (%)	Oppressive (%)	Miserable (%)
1	1	22	69	8
2	1	22	70	7
3	0	21	72	7
4	0	21	72	7
5	0	20	74	6
6	0	20	74	6
7	0	19	75	6
8	0	19	76	5
9	0	19	76	5
10	0	19	76	5
11	0	18	77	5
12	0	18	77	5
13	0	18	77	5
14	0	17	77	6
15	0	17	77	6
16	0	16	78	6
17	0	16	77	7
18	0	16	77	7
19	0	15	77	8
20	0	15	77	8
21	0	15	76	9
22	0	14	77	9
23	0	14	76	10
24	0	14	75	11
25	0	13	76	11
26	0	13	75	12
27	0	12	76	12
28	0	12	75	13
29	0	12	75	13
30	0	11	76	13
31	0	11	75	14