Planning for the weather is an important factor for making your trip to Waspam a success, especially when you're splurging. The hottest months are usually April and May, with an average temperature of 27°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Waspam are October, November, June and July, with each month seeing an average of 307 mm of rainfall.