If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Piau Engaly: The hottest months are usually August and July, with an average temperature of 15°C, while the coldest months are February and January, with an average of 1°C. The rainiest months in Piau Engaly are June, November, May and April, with each month seeing an average of 192 mm of rainfall.