Being part of the municipality in the Swiss canton of Vaud, Tolochenaz experience similar kind of climate like that of other cities near that region. Its climate chart is divided into 4 seasons:
Hence, winter is the best time to visit Tolochenaz. But you need to carry extra winter clothing as the temperature will be extremely cold. If rainfall doesn’t bother you much, you can pick up the off-season of Tolochenaz, that is autumn.