Climate

The climate in Birmingham is classified as a temperate maritime climate, like much of the British Isles, with average maximum temperatures in summer (July) being around 20 °C (68 °F); and in winter (January) is around 4.5 °C (40.1 °F).

Extreme weather is rare but the city has been known to experience tornados – the most recent being in July 2005 in the south of the city, damaging homes and businesses in the area.

Occasional summer heatwaves, such as the one experienced in July 2006 have become more common in recent years, and winters had become milder until since the 1990s with snow becoming much less frequent, although this seems to have been reversed in the last couple of years with the winter of 2009-10 being the coldest for some 30 years. Similar to most other large cities, Birmingham has a considerable 'urban heat island' effect.[52] During the coldest night recorded in Birmingham (14 January 1982), for example, the temperature fell to −20.8 °C (−5.4 °F) at Birmingham Airport on the city's eastern edge, but just −12.9 °C (9 °F) at Edgbaston, near the city centre. Relative to other large UK conurbations, Birmingham is a snowy city, due to its inland location and comparatively high elevation. Snow showers often pass through the city via the Cheshire gap on North Westerly airstreams, but can also come off the North Sea from North Easterly airstreams.
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