An increase in rain may greet vacationers who travel to Dominica during the month of May. A monthly average of 6 inches of precipitation indicates that summer, the wettest time of the year for this region, is on its way. Temperatures are still pleasant, ranging from 74 to 86 degrees Fahrenheit, but don't be surprised if you encounter a few storms or showers.
On any given day during May in Dominica, you can expect early morning temperatures to be around 81.1 degrees.
In May, temperatures typically rise to around 85.6 degrees by early afternoon.
The temperature in Dominica will typically decline by early evening, to approximately 78.6 degrees.
For the month of May as a whole, temperatures in Dominica average around 80.0 degrees.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 81.1° F |
84.9° F |
85.6° F |
82.8° F |
78.6° F |
80.0° F |
|
Rain
Rain is most likely to occur around 8:00 AM
during the month of May, and it is least likely to occur around 8:00 PM.
To the extent thunderstorms occur in Dominica during May, they are most likely to occur around 2:00 PM, as shown in the following table.
| Percent Frequencies of Hourly Observations | | Hour | Rain
and/or
Drizzle | Thunder-
storms |
| 2:00 AM |
17.4 % |
0.5 % |
| 5:00 AM |
18.2 % |
0.6 % |
| 8:00 AM |
21 % |
0.6 % |
| 11:00 AM |
16.3 % |
0.8 % |
| 2:00 PM |
15.4 % |
2 % |
| 5:00 PM |
15.2 % |
1.8 % |
| 8:00 PM |
14.3 % |
1 % |
| 11:00 PM |
14.8 % |
1 % |
| ALL |
16.6 % |
1 % |
|
