Poway's winters are mild, with temperatures rarely dropping below freezing and averaging around 13°C. Spring brings gradual warming, with April and May temperatures rising to averages of 16°C and 17°C respectively. Summer months of June, July, and August see highs often reaching the mid-30s, while autumn returns to cooler conditions, with October and November temperatures dipping back down to averages around 18°C and 16°C. December's temperatures are the coolest of the year, averaging around 12°C, but still relatively mild compared to other parts of the country.