Cambridge Weather Summary May 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: 12.4 Minimum: 0.8 (10 May 05:30) Maximum: 25.7 (25 May 11:30) Relative Humidity (%) Average: 74.5 Minimum: 16 (11 May 14:30) Maximum: 100 (01 May 01:30) Dew Point (degrees C) Average: 7.5 Minimum: -10.3 (05 May 13:30) Maximum: 19.1 (29 May 17:00) Atmospheric Pressure (mbar) Average: 1016.4 Minimum: 992 (11 May 15:30) Maximum: 1030 (08 May 20:00) Half-hourly Instantaneous Wind Speed (knots) Average: 2.5 Minimum: 0.0 (01 May 00:00) Maximum: 22.0 (16 May 12:00) Half-hourly Maximum Wind Speed (knots) Average: 9.2 Minimum: 0 (10 May 00:00) Maximum: 32 (16 May 14:30) Prevalent Wind Direction SW (18.6% of readings) Total Sunshine Hours 178.9 Total Rainfall mm 47.9