Cambridge Weather Summary May 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: 12.2 Minimum: 0.4 (01 May 04:30) Maximum: 27.4 (07 May 15:00) Relative Humidity (%) Average: 71.7 Minimum: 7 (01 May 12:00) Maximum: 100 (01 May 02:30) Dew Point (degrees C) Average: 6.6 Minimum: -23.0 (01 May 12:00) Maximum: 19.0 (28 May 14:30) Atmospheric Pressure (mbar) Average: 1018.2 Minimum: 1000 (02 May 08:00) Maximum: 1031 (16 May 22:00) Half-hourly Instantaneous Wind Speed (knots) Average: 3.5 Minimum: 0.0 (02 May 20:30) Maximum: 20.0 (02 May 10:30) Half-hourly Maximum Wind Speed (knots) Average: 10.3 Minimum: 0 (02 May 20:30) Maximum: 32 (01 May 16:30) Prevalent Wind Direction NW (35.3% of readings) Total Sunshine Hours 223.6 Total Rainfall mm 42.6