Taking the local weather in Casisang into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually April and May, with an average temperature of 22°C, while the coldest months are February and March, with an average of 21°C. The rainiest months in Casisang are July, June, September and August, with each month seeing an average of 446 mm of rainfall.