Wells - Geography

Geography

Wells lies at the foot of the southern escarpment of the Mendip Hills where they meet the Somerset Levels. The hills are largely made of carboniferous limestone, which is quarried at several nearby sites. In the 1960s, the tallest mast in the region, the Mendip UHF television transmitter, was installed on Pen Hill above Wells.

The water from the springs fills the moat around the Bishops Place and then flows into Keward Brook, which carries it for approximately a mile west to the point where the brook joins the River Sheppey in the village of Coxley.

Along with the rest of South West England, the Mendip Hills have a temperate climate which is generally wetter and milder than the rest of England. The annual mean temperature is about 10 °C (50 °F) with seasonal and diurnal variations, but due to the modifying effect of the sea, the range is less than in most other parts of the United Kingdom. January is the coldest month with mean minimum temperatures between 1 °C (34 °F) and 2 °C (36 °F). July and August are the warmest months in the region with mean daily maxima around 21 °C (70 °F). In general, December is the dullest month and June the sunniest. The south west of England enjoys a favoured location, particularly in summer, when the Azores High extends its influence north-eastwards towards the UK.

Cloud often forms inland, especially near hills, and reduces exposure to sunshine. The average annual sunshine totals around 1600 hours. Rainfall tends to be associated with Atlantic depressions or with convection. In summer, convection caused by solar surface heating sometimes forms shower clouds and a large proportion of the annual precipitation falls from showers and thunderstorms at this time of year. Average rainfall is around 800–900 mm (31–35 in). About 8–15 days of snowfall is typical. November to March have the highest mean wind speeds, with June to August having the lightest. The predominant wind direction is from the south west.