January is the coldest month of the year, with
an average temperature of 9.1 °C (48.4 °F); July and August
are the hottest months, with an average temperature
of 24.2 °C (75.6 °F), and the summer months are usually
rainless. The average annual precipitation is around
550 mm (22 in), with rain occurring almost entirely between
October and May.[246] Snowfall is rare, and large
snowfalls are even more rare.[247][248] Jerusalem received
over 30 centimetres (12 in) of snow on 13 December
2013, which nearly paralyzed the city.[247][248] A day in
Jerusalem has on average, 9.3 sunshine hours.