Cambridge Weather Summary Year 2015 Based on 363 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 11.0 Minimum: -40.0 (28 October 08:30) Maximum: 40.0 (14 August 01:00) Relative Humidity (%) Average: 74.9 Minimum: 0 (28 January 14:30) Maximum: 100 (03 January 14:00) Dew Point (degrees C) Average: 6.0 Minimum: -76.3 (23 November 15:00) Maximum: 39.9 (14 August 01:00) Atmospheric Pressure (mbar) Average: 1015.7 Minimum: 900 (28 October 08:30) Maximum: 1155 (28 October 08:30) Half-hourly Instantaneous Wind Speed (knots) Average: 5.0 Minimum: 0.0 (04 January 00:30) Maximum: 255.0 (22 November 22:00) Half-hourly Maximum Wind Speed (knots) Average: 12.8 Minimum: 0 (04 January 02:00) Maximum: 255 (28 October 08:30) Prevalent Wind Direction SW (27.8% of readings) Total Sunshine Hours 4025.8 Total Rainfall mm 507.7