Castries UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index10.7
- Avg Clouds35%
- Max Temp28.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Castries, Saint Lucia 
will reach a high of 10.7 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-12
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Castries's UV Index
The UV index in Castries, Saint Lucia, is generally high throughout the year, often ranging from moderate to very high levels, especially during the midday hours when the sun is strongest.
Weather Seasons
Castries has a tropical climate with a wet season from June to November and a dry season from December to May. Temperatures stay warm year-round, usually between 24°C to 31°C (75°F to 88°F).
Castries's Climate
Compared to nearby Caribbean islands, Castries experiences similar warm temperatures but tends to be wetter during the rainy season than some drier islands like Barbados. It is slightly cooler and rainier than islands closer to the equator, like Trinidad and Tobago.
Hourly UV Index Trend
See the UV index hour by hour for Castries. When the level is high, it's smart to find some shade.
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