Taking the local weather in Guarne into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 19°C, while the coldest months are January and October, with an average of 18°C. The rainiest months in Guarne are May, April, October and November, with each month seeing an average of 407 mm of rainfall.