March in St. Lucia is characterized by warm temperatures and some of the lowest amounts of rainfall all year. Vacationers will find the hot sun tempered by cool trade winds off of the water a comfortable change from some of the chilly winter weather back home.
Typical Weather in March
March temperatures in St. Lucia range from an average low of 77.0 degrees to an average high of 83.0 degrees
| Monthly Averages | | High | Low | Rainfall (inches) | No. of Days with Rain |
| 83.0° F |
77.0° F |
N.A. |
14.0 |
|
On any given day during March in St. Lucia, you can expect early morning temperatures to be around 78.3 degrees.
The temperature will rise over the course of the typical March day, reaching somewhere around 82.9 degrees by early afternoon.
By the early evening hours in March the temperature will generally fall to somewhere in the vicinity of 76.8 degrees.
For the month of March as a whole, temperatures in St. Lucia average around 80.3 degrees.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 78.3° F |
82.3° F |
82.9° F |
80.5° F |
76.8° F |
80.3° F |
|
Rain
Rain is least likely to occur in St. Lucia during March around 2:00 PM, and it is most likely to occur around 8:00 AM.
In St. Lucia during March, thunderstorms -- when they occur -- are most likely sometime around 8:00 AM.
| Percent Frequencies of Hourly Observations | | Hour | Rain and/or Drizzle | Thunder- storms |
| 2:00 AM |
# |
# |
| 5:00 AM |
# |
# |
| 8:00 AM |
21.2 % |
0.5 % |
| 11:00 AM |
18 % |
0 % |
| 2:00 PM |
12.4 % |
0 % |
| 5:00 PM |
14.5 % |
0 % |
| 8:00 PM |
14.8 % |
0 % |
| 11:00 PM |
# |
# |
| ALL |
16.4 % |
0.1 % |
|
|