Fairfield's weather is characterized by cold winters, with temperatures often below freezing in January and February, averaging around 0°C. As spring approaches, temperatures gradually warm up, reaching an average of 10°C by April and 15°C by May. Summer months bring warmer temperatures, with July and August averaging around 23-24°C, while September's temperature drops slightly to 20°C. Autumn brings a return to cooler temperatures, with October averaging 16°C and November dropping back down to 7°C. Winters then resume, with December temperatures averaging just 5°C.