Gros Islet monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Gros Islet
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 28.1 | 28 | 28.6 | 29.3 | 30 | 29.9 | 29.9 | 30.1 | 30.2 | 30 | 29.4 | 28.5 |
| °F | 82.5 | 82.4 | 83.6 | 84.7 | 85.9 | 85.9 | 85.9 | 86.2 | 86.3 | 86 | 84.9 | 83.3 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 113 | 86 | 76 | 96 | 124 | 182 | 245 | 216 | 224 | 269 | 255 | 149 |
| inches | 4.5 | 3.4 | 3 | 3.8 | 4.9 | 7.2 | 9.6 | 8.5 | 8.8 | 10.6 | 10.1 | 5.9 |
| Rainy days | 17 | 13 | 13 | 11 | 15 | 19 | 21 | 20 | 25 | 18 | 19 | 18 |
Average annual rainfall in Gros Islet: 1988.366mm (782.8 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Gros Islet
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 8.7 | 8.8 | 8.9 | 8.8 | 8.6 | 8 | 8.2 | 8.7 | 7.9 | 7.8 | 8.1 | 8.3 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 22 | 22.1 | 22.4 | 23.2 | 24.1 | 24.6 | 24.6 | 24.4 | 24.1 | 23.9 | 23.5 | 22.8 |
| Max °C | 28.2 | 28.2 | 28.8 | 29.5 | 30.1 | 30.1 | 30.1 | 30.3 | 30.3 | 30.2 | 29.6 | 28.7 |
| Min °F | 71.6 | 71.7 | 72.3 | 73.7 | 75.4 | 76.2 | 76.2 | 75.8 | 75.4 | 74.9 | 74.2 | 73 |
| Max °F | 77.2 | 77.2 | 78.1 | 79.3 | 80.8 | 81.1 | 81.1 | 81.1 | 81 | 80.6 | 79.7 | 78.3 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26.9 | 26.6 | 26.6 | 27.2 | 27.7 | 28 | 28.2 | 28.6 | 29 | 28.8 | 28.4 | 27.7 |
| °F | 80.5 | 79.9 | 80 | 80.9 | 81.9 | 82.4 | 82.7 | 83.6 | 84.2 | 83.9 | 83.1 | 81.8 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 14 | 16 | 16 | 16 | 16 | 19 | 17 | 15 | 12 | 11 | 12 | 14 |
| mph | 9 | 10 | 10 | 10 | 10 | 12 | 11 | 9 | 7 | 7 | 8 | 9 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80% | 79% | 73% | 78% | 79% | 81% | 82% | 83% | 83% | 84% | 84% | 82% |
Other monthly averages
Gros Islet weather stats
| Hottest month: | June | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | March | 76mm 3ins |
| Sunniest month: | January | 8.7hrs |
| Coldest month: | January | 28.1°C 82.6°F |
| Wettest month: | October | 269mm 10.6ins |
| Warmest sea: | September | 29°C 84.2°F |
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