Cambridge Weather Summary May 2015 Based on 30 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 11.7 Minimum: 0.8 (01 May 04:30) Maximum: 22.2 (11 May 15:00) Relative Humidity (%) Average: 69.7 Minimum: 30 (30 May 14:00) Maximum: 100 (01 May 05:30) Dew Point (degrees C) Average: 6.0 Minimum: -2.5 (01 May 12:00) Maximum: 14.0 (05 May 07:00) Atmospheric Pressure (mbar) Average: 1013.5 Minimum: 983 (05 May 04:30) Maximum: 1028 (16 May 22:30) Half-hourly Instantaneous Wind Speed (knots) Average: 4.9 Minimum: 0.0 (01 May 00:00) Maximum: 28.0 (05 May 16:30) Half-hourly Maximum Wind Speed (knots) Average: 12.9 Minimum: 0 (01 May 00:00) Maximum: 46 (05 May 17:00) Prevalent Wind Direction SW (38.9% of readings) Total Sunshine Hours 126.8 Total Rainfall mm 33.6