Taking the local weather in Bulakan 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 October and September, with an average temperature of 28°C, while the coldest months are August and July, with an average of 27°C. The rainiest months in Bulakan are January, December, February and March, with each month seeing an average of 292 mm of rainfall.