Cambridge Weather Summary July 2021 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 16.8 Minimum: 6.8 (01 July 04:00) Maximum: 29.6 (18 July 15:30) Relative Humidity (%) Average: 73.8 Minimum: 16 (18 July 12:00) Maximum: 100 (01 July 00:00) Dew Point (degrees C) Average: 11.6 Minimum: -4.7 (29 July 18:00) Maximum: 20.7 (20 July 14:00) Atmospheric Pressure (mbar) Average: 1014.8 Minimum: 992 (06 July 07:00) Maximum: 1032 (16 July 23:30) Half-hourly Instantaneous Wind Speed (knots) Average: 2.4 Minimum: 0.0 (01 July 00:00) Maximum: 16.0 (15 July 16:00) Half-hourly Maximum Wind Speed (knots) Average: 8.6 Minimum: 0 (01 July 00:00) Maximum: 32 (06 July 15:00) Prevalent Wind Direction S (19.3% of readings) Total Sunshine Hours 139.2 Total Rainfall mm 47.0