Planning for the weather is a good way to make your trip to Pleiku relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and April, with an average temperature of 24°C, while the coldest months are January and February, with an average of 21°C. The rainiest months in Pleiku are September, July, August and May, with each month seeing an average of 429 mm of rainfall.