In terms of precipitation, rainfall in Manta ranges from 0.0 - 3.5 inches per month. February is typically the wettest month, when rainfall can reach 3.5 in. May is typically the driest time to visit Manta when rainfall is around 0.0 in.
If weather is an important factor for your trip to Manta, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 75.2 F).