Planning for the weather is a good way to make your trip to Wainimala relaxing and enjoyable, especially when you're splurging. The hottest months are usually January and February, with an average temperature of 27°C, while the coldest months are July and August, with an average of 24°C. The rainiest months in Wainimala are March, February, January and April, with each month seeing an average of 273 mm of rainfall.