Taking the local weather in San Miguel 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 March and April, with an average temperature of 21°C, while the coldest months are January and February, with an average of 21°C. The rainiest months in San Miguel are October, August, June and September, with each month seeing an average of 958 mm of rainfall.