Sterling experiences a relatively mild climate with cold winters and warm summers. January and February are the coldest months, with average temperatures ranging around freezing, while March marks the beginning of a warming trend. As spring approaches in April and May, temperatures rise steadily, reaching an average high of 17°C by May. Summer months from June to August bring warmer temperatures, with July and August averaging around 25°C. Autumn brings a return to milder temperatures, with September being the warmest month before the cycle repeats itself with cooler winters.