If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Malabo: The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Malabo are August, June, July and September, with each month seeing an average of 762 mm of rainfall.