Cambridge Weather Summary May 2021 Based on 30 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 9.2 Minimum: -2.4 (02 May 05:00) Maximum: 23.0 (31 May 13:00) Relative Humidity (%) Average: 71.0 Minimum: 10 (07 May 14:00) Maximum: 100 (01 May 01:30) Dew Point (degrees C) Average: 3.7 Minimum: -18.4 (07 May 14:00) Maximum: 14.1 (09 May 12:00) Atmospheric Pressure (mbar) Average: 1008.9 Minimum: 987 (04 May 01:00) Maximum: 1032 (30 May 04:00) Half-hourly Instantaneous Wind Speed (knots) Average: 3.9 Minimum: 0.0 (01 May 00:00) Maximum: 30.0 (21 May 09:30) Half-hourly Maximum Wind Speed (knots) Average: 12.2 Minimum: 0 (01 May 00:00) Maximum: 44 (03 May 15:30) Prevalent Wind Direction S (24.9% of readings) Total Sunshine Hours 117.6 Total Rainfall mm 58.2