急需英国布里斯托的气候介绍（英文）

Situated in the south of the country, Bristol is one of the warmest cities in the UK, with a mean annual temperature of 10.2-12 °C (50-54 °F).It is also amongst the sunniest, with 1541-1885 hours sunshine per year.The city is partially sheltered by Exmoor and the Mendip Hills, but exposed from the Bristol Channel, and annual rainfall is similar to the national average, at 741-1,060 mm (29.2–41.7 in). Rain falls all year round but autumn and winter are the wettest seasons. The Atlantic strongly inlfuences Bristol's weather holding temperatures above-freezing all year, though cold spell in winter often bring frosts. Although a rare occurrence, snow can fall at any time from mid-November through to mid-April. Summers are drier and quite warm with variable amounts of sunshine, rain and cloud. Spring is unsettled and changeable. This season has been known to deliver spells of winter snow as well as summer sunshine.