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Grenada weather in August 2025
Expect daytime maximum temperatures of 30°C in Grenada in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 18 days with some rainfall and typically 195 mm of rainfall in the month.
- 30°C max day temperature
30 - 8 hours of sunshine per day
- 18 days with some rainfall
18 - 23°C min night temperature
23 - 13 hours of daylight per day
13 - High heat & humidity
H - 195 mm of monthly rainfall
195 - 11+ (Extreme) UV index
11 - 29°C sea temperature
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The August weather guide for Grenada (St George's) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
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Below are average maximum temperatures at popular countries, regions and places in Grenada in August. Select a holiday destination to see more weather parameters.
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Metric (°C / mm) | Imperial (°F / inches)
More about Grenada
How hot is it in Grenada in August?
Daytime temperatures usually reach 30°C in St George's, Grenada in August with high heat and humidity, falling to 23°C at night.
How sunny is it in Grenada in August?
There are normally 8 hours of bright sunshine each day in St George's, Grenada in August - that's 62% of daylight hours.
How warm is the sea around Grenada in August?
The average sea temperature around St George's, Grenada in August is 29°C.
Does it rain in Grenada in August?
There are usually 18 days with some rain in St George's, Grenada in August and the average monthly rainfall is 195mm.
What is the chance of a hurricane in Grenada in August?
On average less than 1 day in August in St George's, Grenada is likely to be affected by the passage of one or more tropical storms.
Grenada August sunrise & sunset times
Browse the sunrise and sunset times for Grenada in August 2025. Select a month to view Grenada sunrise and sunset times for the next 12 months. The Grenada sunrise and sunset times shown below are for St George's.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:54 | 18:33 |
| Saturday, 16th August 2025 | 05:56 | 18:26 |
| Sunday, 31st August 2025 | 05:57 | 18:18 |
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