In terms of precipitation, rainfall in Catanduanes ranges from 4.9 - 18.0 inches per month. November is typically the wettest month, when rainfall can reach 18.0 in. April is typically the driest time to visit Catanduanes when rainfall is around 4.9 in.
If weather is an important factor for your trip to Catanduanes, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).