Planning for the weather is an important factor for making your trip to Koidu Town a success, especially when you're splurging. The hottest months are usually February and March, with an average temperature of 27°C, while the coldest months are December and January, with an average of 24°C. The rainiest months in Koidu Town are September, August, July and October, with each month seeing an average of 505 mm of rainfall.