10-day forecast — St Lucia (Castries)
Refreshed hourly
Thu · Today · 12 Nov
Showers
86°
80°
0.03 in
Wind15 mph E
Gusts25 mph
UV index10 – Very high
Precip chance53%
Sunrise6:02 AM
Sunset5:33 PM
Fri · Tomorrow · 13 Nov
Showers
85°
79°
0.30 in
Wind15 mph E
Gusts25 mph
UV index10 – Very high
Precip chance81%
Sunrise6:03 AM
Sunset5:33 PM
Saturday · 14 Nov
Partly cloudy
86°
81°
0.01 in
Wind15 mph E
Gusts25 mph
UV index10 – Very high
Precip chance26%
Sunrise6:03 AM
Sunset5:33 PM
Sunday · 15 Nov
Partly cloudy
85°
79°
0.01 in
Wind14 mph E
Gusts24 mph
UV index7 – High
Precip chance24%
Sunrise6:04 AM
Sunset5:32 PM
Monday · 16 Nov
Showers
84°
80°
0.12 in
Wind12 mph E
Gusts18 mph
UV index6 – High
Precip chance72%
Sunrise6:04 AM
Sunset5:32 PM
Tuesday · 17 Nov
Showers
85°
78°
0.15 in
Wind14 mph E
Gusts20 mph
UV index6 – High
Precip chance75%
Sunrise6:04 AM
Sunset5:32 PM
Wednesday · 18 Nov
Showers
85°
80°
0.04 in
Wind13 mph E
Gusts23 mph
UV index6 – High
Precip chance56%
Sunrise6:05 AM
Sunset5:32 PM
Thursday · 19 Nov
Showers
85°
80°
0.06 in
Wind14 mph E
Gusts24 mph
UV index6 – High
Precip chance64%
Sunrise6:05 AM
Sunset5:32 PM
Friday · 20 Nov
Showers
85°
80°
0.14 in
Wind13 mph E
Gusts22 mph
UV index6 – High
Precip chance72%
Sunrise6:06 AM
Sunset5:32 PM
Saturday · 21 Nov
Showers
85°
79°
0.08 in
Wind12 mph E
Gusts21 mph
UV index6 – High
Precip chance66%
Sunrise6:06 AM
Sunset5:32 PM
Sunday · 22 Nov
Showers
84°
80°
0.08 in
Wind12 mph E
Gusts20 mph
UV index6 – High
Precip chance68%
Sunrise6:07 AM
Sunset5:32 PM
Monday · 23 Nov
Showers
85°
80°
0.06 in
Wind14 mph E
Gusts23 mph
UV index6 – High
Precip chance61%
Sunrise6:07 AM
Sunset5:32 PM
Tuesday · 24 Nov
Showers
85°
81°
0.07 in
Wind15 mph E
Gusts25 mph
UV index6 – High
Precip chance61%
Sunrise6:08 AM
Sunset5:32 PM
Wednesday · 25 Nov
Showers
85°
79°
0.09 in
Wind13 mph E
Gusts22 mph
UV index6 – High
Precip chance65%
Sunrise6:08 AM
Sunset5:32 PM
About St Lucia (Castries)
CountrySaint Lucia
RegionCastries
Population20,000
ContinentNorth America & Caribbean
Time zoneAmerica/St_Lucia (-04:00)
Latitude14.0100°
Longitude-60.9870°
Air QualityModerate (AQI 64)
Details & indices
Wind
15 mph E
Gusts 25 mph
Humidity
67%
Dew point 73°
Pressure
30.00 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Moderate
AQI 64 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise6:02 AM
Sunset5:33 PM
Length of day11h 31m
Moonrise9:08 AM
Moonset8:33 PM
Moon phase🌔 Waxing Crescent
Local time1:07 PM (-04:00)
St Lucia (Castries) climate in May
8-year averages · when to visitBest months: January–December · May: Good
| April | May | June | |
|---|---|---|---|
| Average temperature | ▲ 79°F | 81°F | → 81°F |
| Typical high | → 84°F | 84°F | → 84°F |
| Typical low | ▲ 75°F | 77°F | → 77°F |
| Water temperature | ▲ 82°F | 84°F | ▼ 83°F |
| Precipitation | ▲ 1.9 in | 2.5 in | ▲ 4.3 in |
| Wet days | ▲ 15 d | 17 d | ▲ 23 d |
| Humidity | ▲ 71% | 75% | → 75% |
| Sunshine per day | ▼ 11.7 h | 11.6 h | ▼ 11.3 h |
| Cloud cover | ▲ 6% | 9% | ▲ 13% |
| Midday UV | → 12 | 12 | → 12 |
| Daylight | 12:27 | 12:47 | 12:56 |
| Our take | Perfect | Good | Good |
May temperatures day by day daily mean + smoothed trend · °F
May precipitation day by day in
May UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 1:07 PM
St Lucia (Castries), Saint Lucia · 14.01°N, 60.99°W · America/St_Lucia · Forecast computed for these exact coordinates