West Bay weather in January

In January, West Bay sees average daytime highs of 26°C and overnight lows near 25°C, with 28 mm of rain across 6.6 wet days and about 11 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 65% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is West Bay's 4th-clearest and 3rd-windiest month. For the whole year in context, see West Bay's year-round climate.

Daytime high
26°
11th warmest
Overnight low
25°
1st coldest
Rainfall
28 mm
6.6 wet days
Daylight
10 h 54 min
7:06 AM – 6:03 PM
Cloud cover
37%
4th clearest
Wind
26 km/h
3rd windiest
Solar energy
4.43 kWh/m²
Travel score
7.7
out of 10

West Bay is populated place in the Cayman Islands.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical January day in West Bay reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12625
22625
32625
42625
52625
62625
72625
82625
92625
102625
112625
122625
132625
142625
152625
162625
172625
182625
192624
202624
212624
222624
232624
242624
252625
262625
272625
282625
292625
302625
312625

How January really feels in West Bay

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

West Bay weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°286.6117.7
Feb26° / 25°132.811.38.4
Mar26° / 25°163.911.98.3
Apr27° / 26°183.712.48.0
May28° / 26°9511.212.96.5
Jun28° / 27°10413.213.15.4
Jul29° / 27°6012.313.15.4
Aug29° / 27°9315.312.75.0
Sep29° / 27°13918.612.14.5
Oct28° / 27°2142011.64.7
Nov27° / 26°10812.111.16.4
Dec26° / 25°448.510.97.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37624
47723
57723
67723
77723
87723
97822
107822
117822
127822
137822
147822
157921
167921
177921
187921
197921
208020
218119
228119
238119
248119
258218
268218
278218
288416
298416
308416
318515

Chance of precipitation in January

Any precipitation

West Bay gets around 28 mm of rain over 6.6 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 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
322
422
522
622
722
822
922
1022
1122
1222
1322
1422
1521
1621
1721
1821
1921
2021
2121
2220
2320
2420
2519
2619
2718
2818
2918
3017
3117

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1392662
2492661
3492760
4492760
5492760
6492760
7492760
8492859
9492859
104102858
114102858
125102857
135102857
145112757
155112757
165112757
175112658
186122656
196122656
206122656
216132754
226132754
236132853
246132853
255132953
265122954
275123053
285123053
295123152
304123153
314123153

Wind in January

Winds average 26 km/h in January.

Across January, daily wind ranges from about 25 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 7:03 AM to 7:05 AM, and sunset from 5:54 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:035:54
210.97:045:55
310.97:045:55
410.97:045:56
510.97:045:57
610.97:055:57
710.97:055:58
810.97:055:58
910.97:055:59
1010.97:066:00
1110.97:066:00
1210.97:066:01
1310.97:066:01
1410.97:066:02
1510.97:066:03
1610.97:066:03
1711.07:066:04
1811.07:076:05
1911.07:076:05
2011.07:076:06
2111.07:076:06
2211.07:066:07
2311.07:066:08
2411.07:066:08
2511.07:066:09
2611.17:066:10
2711.17:066:10
2811.17:066:11
2911.17:066:11
3011.17:066:12
3111.17:056:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.43 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.75 kWh/m² in April across the year — January's 4.43 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for West Bay

In seasonPeak

None of West Bay's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

West Bay sits in the Atlantic hurricane belt; the season peaks August–October.

West Bay's rainy season runs September–November, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit West Bay?

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

7.7
Sightseeing
4th-best month of the year
7.3
Beach & pool
4th-best month of the year

January is one of the better times to visit West Bay for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for West Bay in January

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

In January, West Bay sees daytime highs around 26°C and nights near 25°C. Worth packing: light clothes and a windbreaker. About 7 days see rain.

light clothesa windbreaker

Sea temperature near West Bay in January

The nearest coast averages about 27°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 August at about 30°C and coldest in February near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in West Bay in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in West Bay peaks around May 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMay 13UV 12Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in West Bay in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in West Bay is worst in June — around 27 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (January, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2127 µg/m³Jan 17 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar8Good
Apr10Good
May14Moderate
Jun27Moderate
Jul25Moderate
Aug19Moderate
Sep13Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is West Bay?

West Bay sits at 19.4°N, 81.4°W, 5 m above sea level, in Cayman Islands. The nearest listed city is George Town, 11 km away.

George Town

Topography around West Bay

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

Within 3 km, the terrain around West Bay has only modest variations in elevation — a maximum elevation change of 10 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, only modest variations in elevation — a maximum elevation change of 24 m.

The land around West Bay is covered by water (59%) within 3 km, water (91%) within 16 km, and water (97%) within 80 km.

3 km
10 m
16 km
21 m
80 km
24 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
January weather nearby: George Town 11 km · Trinidad 306 km · Nueva Gerona 315 km · Condado 321 km · Cienfuegos 323 km · Cumanayagua 332 km · Abreus 333 km · Palmira 335 km

Cayman Islands travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 113% of US
price level, 2024
GDP per capita
$104,293
2024
Homicide rate
4.4
per 100k, 2020
Income group
High
World Bank
Religion
Protestant 61%none 17%Roman Catholic 14%other 5%

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 West Bay (19.382°, -81.3928°, elevation 5 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).