Caledon weather is typical of a Mediterranean climate. The summers are warm and dry, while the winters are very cool and bring up to 596mm of rainfall. The driest month is generally January with the wettest being around August, this means the most optimum time to visit the area is in summer. This will allow you to comfortably take in the outdoor adventures available in Caledon.
The South Atlantic Ocean is just over the Klein River Mountains to the south of Caledon and tends to influence the temperatures in Caledon. The average midday temperatures range from 16.1°C in July to 26.3°C in February. The region is the coldest during July, with night time temperatures around 6°C. This is the time of year where every restaurant, pub and home make good use of fireplaces and heaters.