Planning for the weather is a good way to make your trip to Butaritari relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and June, with an average temperature of 28°C, while the coldest months are March and January, with an average of 28°C. The rainiest months in Butaritari are March, May, April and December, with each month seeing an average of 355 mm of rainfall.