Cambridge Weather Summary July 2014 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 19.1 Minimum: 8.4 (02 July 03:30) Maximum: 31.1 (18 July 15:30) Relative Humidity (%) Average: 69.3 Minimum: 28 (01 July 14:00) Maximum: 100 (11 July 23:30) Dew Point (degrees C) Average: 12.7 Minimum: 3.5 (01 July 14:00) Maximum: 19.2 (19 July 11:30) Atmospheric Pressure (mbar) Average: 1015.3 Minimum: 997 (05 July 04:30) Maximum: 1027 (22 July 21:00) Half-hourly Instantaneous Wind Speed (knots) Average: 3.8 Minimum: 0.0 (01 July 00:30) Maximum: 24.0 (09 July 17:00) Half-hourly Maximum Wind Speed (knots) Average: 10.3 Minimum: 0 (01 July 01:30) Maximum: 34 (09 July 19:00) Prevalent Wind Direction NW (35.1% of readings) Total Sunshine Hours 174.3 Total Rainfall mm 45.6