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 Ambewella: The hottest months are usually April and March, with an average temperature of 20°C, while the coldest months are January and February, with an average of 18°C. The rainiest months in Ambewella are October, November, May and April, with each month seeing an average of 440 mm of rainfall.