Hounslow's winters are typically cool and occasionally frosty, with temperatures often below freezing in January and February. As spring approaches, temperatures gradually rise, with March and April seeing mild days and cooler nights. Summer months bring warmth, with July and August averaging around 18°C, though occasional hot spells can reach over 30°C. Autumn is generally mild, with September and October experiencing pleasant temperatures, but November and December see a return to cooler conditions, often below 10°C. Overall, the area's temperature range is relatively moderate, with few extreme fluctuations throughout the year.