Planning for the weather is a good way to make your trip to Mugiya relaxing and enjoyable, especially when you're splurging. The hottest months are usually August and July, with an average temperature of 28°C, while the coldest months are January and February, with an average of 18°C. The rainiest months in Mugiya are June, May, August and July, with each month seeing an average of 293 mm of rainfall.