Which county in the UK has the highest level of rainfall annually?
The mountains of Wales, Scotland, the Pennines and the moors of the south-west of England are the wettest parts of the country. London receives just below 650 mm per annum, which is less than Rome, Sydney or New York. In East Anglia it typically rains on about 113 days per year. Most of the south, south-east and East Anglia receive less than 700 mm of rain per year. The English counties of Essex and Cambridgeshire are amongst the driest in the UK, with an average annual rainfall of around 600 mm. In some years rainfall totals in Essex can be below 450 mm—less than the average annual rainfall in Jerusalem and Beirut.