Cambridge Weather Summary July 2015 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 17.6 Minimum: 6.4 (31 July 04:00) Maximum: 34.4 (01 July 12:00) Relative Humidity (%) Average: 68.7 Minimum: 25 (10 July 19:00) Maximum: 100 (04 July 04:30) Dew Point (degrees C) Average: 11.2 Minimum: 2.4 (09 July 13:00) Maximum: 20.7 (04 July 07:30) Atmospheric Pressure (mbar) Average: 1013.3 Minimum: 993 (26 July 20:30) Maximum: 1028 (03 July 03:00) Half-hourly Instantaneous Wind Speed (knots) Average: 4.1 Minimum: 0.0 (01 July 02:30) Maximum: 24.0 (19 July 10:00) Half-hourly Maximum Wind Speed (knots) Average: 11.2 Minimum: 0 (01 July 02:30) Maximum: 32 (07 July 17:00) Prevalent Wind Direction SW (48.5% of readings) Total Sunshine Hours 148.4 Total Rainfall mm 112.4