Other facts from our historical weather data: Which months have the greatest rainfall in Grand'Anse Praslin? Most rainfall (rainy season) is seen in January, November and December. Which is the hottest month in Grand'Anse Praslin? April has an average maximum temperature of 30°C (86°F) and is the hottest month of the year. Which is the coolest month in Grand'Anse Praslin? The coolest month is July with an average maximum temperature of 27°C (81°F). Which is the wettest month in Grand'Anse Praslin? January tops the wettest month list with 233mm (9.2 in) of rainfall. Which is the driest month in Grand'Anse Praslin? July is the driest month with 68mm (2.7 in) of precipitation. Which is the sunniest month in Grand'Anse Praslin? May is the sunniest month with an average of 254 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.