Cambridge Weather Summary July 2018 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 19.3 Minimum: 8.8 (04 July 04:00) Maximum: 31.7 (26 July 13:00) Relative Humidity (%) Average: 60.1 Minimum: 4 (05 July 16:30) Maximum: 100 (01 July 01:30) Dew Point (degrees C) Average: 10.4 Minimum: -18.8 (05 July 18:00) Maximum: 23.2 (26 July 16:00) Atmospheric Pressure (mbar) Average: 1017.3 Minimum: 1002 (28 July 06:00) Maximum: 1030 (08 July 22:30) Half-hourly Instantaneous Wind Speed (knots) Average: 2.8 Minimum: 0.0 (05 July 03:00) Maximum: 28.0 (28 July 16:30) Half-hourly Maximum Wind Speed (knots) Average: 9.5 Minimum: 0 (05 July 03:30) Maximum: 48 (27 July 16:30) Prevalent Wind Direction NW (19.7% of readings) Total Sunshine Hours 240.4 Total Rainfall mm 20.8