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Harpenden, Hertfordshire experiences a temperate climate with mild winters and warm summers. The average temperature in Harpenden during the winter months (December to February) is 4.7°C, with an average maximum temperature of 8°C and an average minimum temperature of 1°C. During the summer months (June to August), the average temperature is a comfortable 18.3°C, with an average maximum temperature of 23°C and an average minimum temperature of 13°C.
Rainfall in Harpenden is fairly consistent throughout the year, with an average of 644mm annually. The wettest month is usually October, with an average of 72mm of precipitation, while the driest month is typically April, with an average of just 48mm.
Snowfall is rare in Harpenden, but the area does experience the occasional dusting. The average snowfall for the year is only 7cm.
As of 2020, the city population is 30240.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Harpenden, Hertfordshire.