Tecate's winters are cool and variable, with temperatures often dipping below freezing in January and December. As the seasons shift into spring, temperatures gradually warm up, reaching averages above 15°C by April. Summer months bring scorching heat, with June to August averaging highs above 30°C. Autumn sees a return to more moderate temperatures, with September and October averages hovering around 20°C. By November and December, temperatures drop again, returning to the cooler range of winter.