If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Lekki: The hottest months are usually January and February with an average temp of 82°F, while the coldest months are August and July with an average of 79°F. The rainiest months in Lekki are June, July, September, and August, with each month seeing an average of 13 inches of rainfall.