Planning for the weather is a good way to make your trip to Lakewood relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and April with an average temp of 81°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Lakewood are September, June, July, and October, with each month seeing an average of 15 inches of rainfall.