Click on a day for an hourly weather forecast
The weather in Saint Lucia in May is very hot. The average temperatures are between 26°C and 29°C, drinking water regularly is advisable.
You can expect a few rainy days in Saint Lucia during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Saint Lucia in May 2025.
If you’re planning to visit Saint Lucia in the near future, we highly recommend that you review the 14 day weather forecast for Saint Lucia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 25° | 1 | 30 | 0 | 54 mm | Perfect | Saint Lucia in January |
| February | 27° / 25° | 1 | 27 | 0 | 44 mm | Perfect | Saint Lucia in February |
| March | 28° / 25° | 1 | 30 | 0 | 47 mm | Perfect | Saint Lucia in March |
| April | 28° / 26° | 2 | 28 | 0 | 61 mm | Perfect | Saint Lucia in April |
| May | 29° / 26° | 2 | 29 | 0 | 72 mm | Good | Saint Lucia in May |
| June | 29° / 27° | 4 | 26 | 0 | 110 mm | Good | Saint Lucia in June |
| July | 29° / 27° | 7 | 24 | 0 | 146 mm | Ok | Saint Lucia in July |
| August | 30° / 27° | 7 | 24 | 0 | 168 mm | Ok | Saint Lucia in August |
| September | 30° / 27° | 8 | 22 | 0 | 157 mm | Ok | Saint Lucia in September |
| October | 30° / 27° | 6 | 25 | 0 | 161 mm | Good | Saint Lucia in October |
| November | 29° / 26° | 5 | 25 | 0 | 124 mm | Good | Saint Lucia in November |
| December | 28° / 26° | 2 | 29 | 0 | 68 mm | Perfect | Saint Lucia in December |