Ajax, Canada experiences a continental climate with distinct seasonal variations. Winters are harsh and cold, with temperatures frequently dropping below -20°C in January and February, but occasionally rising to around 10°C. Spring arrives in late March, bringing mild temperatures ranging from -17°C to 21°C, gradually warming up into the warmer months. Summer is warm and pleasant, with highs often reaching above 30°C in May and June, while autumn sees a return to cooler temperatures, with highs usually peaking around 20-25°C in September and October.