Grenada Weather in August
August in Grenada brings high temperatures around 29°C (84°F) during the day, dropping to 26°C (79°F) at night, with quite a bit of rainfall expected, averaging around 164 mm (6.5 in) for the month.
Rainfall in Grenada in August
You can expect rain on roughly 19 days based on historical data, averaging 164 mm (6.5 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Grenada in August
In August, Grenada sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Grenada in August
Expect sunny days throughout the month, with an estimated 248 hours of sunshine. This makes it a pleasant time to visit Grenada.
Average water temperature in August
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May and December typically offer the best circumstances for Grenada.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Grenada, check out our Grenada's climate page.
Grenada Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F)
Chance of Rain
62%
Precipitation
164 mm (6.5 in)
Rainy days
19 days
Sunshine
248 hours
Percentage Sunshine
Daily Historical Temperatures
37-year average (1984-2025)
Based on our historical records, temperatures in Grenada typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Historical weather for Grenada in August
Browse day-by-day weather records for Grenada spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grenada historical weather extremes in August
Based on 20 years of weather observations in Grenada between 2005 and 2025, these are the recorded extremes.
- The hottest August day on record in Grenada reached 37°C (99°F) (August 22, 2012).
- The coldest August day was on August 23, 2008, with a maximum of 27°C (81°F).
- The lowest overnight temperature recorded in August was 23°C (73°F) (August 19, 2021).
Best Places in Grenada in August
Find out more about the weather in Grenada and which places have the best travel conditions in this month. See all of Grenada in August →
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What to Wear in Grenada in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Grenada in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Grenada, check out our Grenada's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Grenada climate overview or explore weather in Grenada.
