St. Lucia weather temperatures range from 70 degrees Fahrenheit to the high 90 degrees. If you are visiting the island you should expect the weather in St. Lucia to maintain hot and humid temperatures year round. The humidity ranges from 70 to 90 percent year round.
The coolest months are typically December through January where the temperatures range from the mid 70 to the mid 80 degrees Fahrenheit. The hottest months in St. Lucia are June through August. The rainy season which is also the hurricane season is from June to November. During the rainy season there are heavy showers that come in quickly and leave just as fast opening up clear blue skies.
St. Lucia weather can vary depending on the particular region you visit. Near the St. Lucia beaches the trade winds blow cool breezes off the water providing relief from the heat. If you visit the St. Lucia hiking trails near the rain forest then be prepared for hot and humid weather with very little wind to cool you off.
With a warm climate and moderate year round temperatures many visitors to St. Lucia have no trouble selecting the time of year to travel to St. Lucia. Even during the rainy season you will find that the weather in St. Lucia provides plenty of moments with sunshine and blue sky.
View the current six day St. Lucia weather forecast below.
| Today | Friday | Saturday | Sunday | Monday | Tuesday |
|---|---|---|---|---|---|
 Chance of a Thunderstorm 86°/79° | Chance of a Thunderstorm 86°/79° | Chance of a Thunderstorm 86°/79° | Chance of a Thunderstorm 86°/79° | Chance of a Thunderstorm 86°/81° | Chance of a Thunderstorm 86°/79° |
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