Visalia's winter months, January and February, are mild with temperatures ranging from just below freezing to the mid-20s. As spring approaches in March and April, temperatures rise significantly, often reaching into the high 20s and low 30s. Summer brings hot days in May and June, with temperatures frequently soaring above 40 degrees Celsius, while July is usually the warmest month. Autumn months of September and October see a decline in temperature, but it's still relatively pleasant, similar to March and April. Winter returns in November and December, bringing cooler temperatures that can drop below freezing.