In terms of precipitation, rainfall in Lamu ranges from 0.1 - 11.8 inches per month. May is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Lamu when rainfall is around 0.1 in.
If weather is an important factor for your trip to Lamu, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 77.0 F).