Planning for the weather is an important factor for making your trip to Bilaspur a success, especially when you’re splurging. The hottest months are usually May and April, with an average temperature of 33°C, while the coldest months are January and December, with an average of 22°C. The rainiest months in Bilaspur are August, July, September and June, with each month seeing an average of 368 mm of rainfall.