Cambridge Weather Summary July 2017 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 16.4 Minimum: 7.6 (13 July 02:30) Maximum: 27.4 (05 July 15:30) Relative Humidity (%) Average: 72.5 Minimum: 12 (08 July 13:00) Maximum: 100 (01 July 00:00) Dew Point (degrees C) Average: 10.9 Minimum: -8.5 (08 July 14:00) Maximum: 21.2 (19 July 12:00) Atmospheric Pressure (mbar) Average: 1013.7 Minimum: 999 (30 July 03:00) Maximum: 1027 (17 July 01:00) Half-hourly Instantaneous Wind Speed (knots) Average: 2.7 Minimum: 0.0 (02 July 20:30) Maximum: 20.0 (30 July 12:00) Half-hourly Maximum Wind Speed (knots) Average: 9.1 Minimum: 0 (04 July 00:00) Maximum: 30 (26 July 16:30) Prevalent Wind Direction SW (30.1% of readings) Total Sunshine Hours 129.9 Total Rainfall mm 94.3