Weather in Grenada in August 2025
- August is usually the wettest month of the year in Grenada;
Average weather
Average temperature in Grenada in August
Going from a maximum of +29°C during the day to a minimum of +25°C during the night, the temperature in August averages around +29°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +29°C to +29°C.
Is Grenada warm or cold in August?
Grenada is typically warm in August.
Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes up from +25°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how August is compared to other months in Grenada:
Climate in Grenada in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +27°C | +28°C | ||||
| Min. temperature | ||||||
| +24°C | +24°C | +24°C | ||||
| Max. temperature | ||||||
| +29°C | +29°C | +30°C | ||||
| Rainfall | ||||||
| 138 mm | 150 mm | 135 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 84% | 84% | 82% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 0 | 1 | 2 | ||||
| Cloudy days | ||||||
| 1 | 1 | 3 | ||||
| Rainy days | ||||||
| 28 | 27 | 23 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 138 mm to 150 mm. Humidity levels don’t change as the month goes on, averaging around 84%. The average wind speed doesn’t change much during August, staying around 5 m/s. The good news is there are likely to be more sunny days in August, from 0 to 1.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Grenada is gradually decreasing during August, going from 5 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Grenada?
Climate Change over Years
The climate in Grenada in August has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+26°C) and the highest in 2023 (+27°C). The driest year was 1994 with only 765 mm of rainfall, and the wettest year was 2005 with 1576 mm.
FAQ
Is August a good time to visit Grenada?
Can you sunbathe in Grenada in August?
Is Grenada rainy in August?
Is it sunny in Grenada in August?
Monthly weather in Grenada
Source of the data
For this page, we’ve looked at the typical weather in Grenada, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.