| Average climate data for Argyle, Grenada | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°F) | 80 | 80 | 80 | 81 | 82 | 83 | 83 | 83 | 84 | 83 | 83 | 82 | 84 |
| Average minimum temperature (°F) | 79 | 78 | 79 | 80 | 81 | 81 | 81 | 82 | 83 | 83 | 82 | 80 | 78 |
| Average precipitation (inch) | 2 | 1 | 1 | 1 | 1 | 2 | 4 | 4 | 3 | 5 | 4 | 2 | 31 |
| Average rainfall days (days) | 22 | 18 | 17 | 16 | 19 | 19 | 23 | 25 | 23 | 23 | 23 | 22 | 250 |
| Average snowfall days (days) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average relative humidity (%) | 76 | 76 | 76 | 79 | 80 | 80 | 80 | 78 | 77 | 77 | 76 | 76 | 78 |
| Average wind speed (mph) | 18 | 18 | 17 | 17 | 17 | 18 | 17 | 14 | 13 | 15 | 16 | 18 | 17 |
| Average water temperature (°F) | 80 | 81 | 81 | 80 | 82 | 82 | 83 | 82 | 84 | 84 | 82 | 81 | 82 |
| Average daily daylight hours (h) | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 |
| Average daily sunshine hours (h) | 7 | 8 | 8 | 9 | 10 | 9 | 10 | 10 | 10 | 8 | 6 | 6 | 9 |
| Average cloud coverage (%) | 39 | 38 | 36 | 40 | 41 | 41 | 42 | 40 | 34 | 38 | 42 | 40 | 39 |
| Average UV index | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
The warmest month, with the highest average maximum temperature, is September (84 °F). The month with the lowest average maximum temperature is February (79.9 °F). Overall, the average maximum temperature over the whole year is 82 °F.
The month with the highest average minimum temperature is October (82.6 °F). The coldest month, with the lowest average minimum temperature, is February (78.2 °F). Overall, the average minimum temperature over the whole year is 80.7 °F.
The month with the highest average water temperature is September (84.4 °F). The month with the lowest average water temperature is April (80.4 °F). Overall, the average water temperature over the whole year is 81.9 °F.
The wettest month, with the highest amount of precipitation, is October (4.8 inch). The driest month, with the least amount of precipitation, is February (1 inch). Over the whole year there are 30.5 inch of rainfall on average.
The month with the most days of rain is August (25.1 days). The month with the fewest days of rain is April (16 days). Over the whole year there are 249.6 days of rain on average.
The month with the most days of snowfall is September (0.2 days). The months with the fewest days of snowfall are March, May, June, July, October and November (0 days). Over the whole year there are 0.5 days of snowfall on average.
The month with the highest average relative humidity is June (80.2 %). The month with the lowest average relative humidity is February (75.8 %). The overall average relative humidity over the whole year is 77.6 %.
The windiest month, with the highest average wind speed, is February (18.5 mph). The calmest month, with the lowest average wind speed, is September (13.5 mph). The overall average wind speed over the whole year is 16.6 mph.
The month with the cloudiest skies, so the highest cloud coverage, is November (42.4 %). The month with the clearest skies, so the lowest cloud coverage, is September (34.1 %). Over the whole year there is an average cloud coverage of 39.2 %.
The months with the longest days, so the most daylight, are June and July (Average daylight: 12.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 11 h). Over the whole year there are 11.6 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 10.1 h). The month with the least sunshine per day is December (Average sunshine: 6.1 h). Over the whole year there are 8.5 h of sunlight per day on average.
Over the whole year the average UV index is 7.
