Visiting local bars in San Ignacio is more fun when the weather is good. These rainfall averages and temperatures can help you choose the best time for bar-hopping. The hottest months are usually April and May, with an average temperature of 23°C, while the coldest months are January and February, with an average of 20°C. The rainiest months in San Ignacio are June, October, September and May, with each month seeing an average of 258 mm of rainfall.