Cambridge Weather Summary May 2026 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 13.4 Minimum: -2.0 (12 May 05:00) Maximum: 33.3 (26 May 15:30) Relative Humidity (%) Average: 86.0 Minimum: 86 (01 May 00:00) Maximum: 86 (01 May 00:00) Dew Point (degrees C) Average: 11.1 Minimum: -4.0 (12 May 05:00) Maximum: 30.6 (26 May 15:30) Atmospheric Pressure (mbar) Average: 1000.0 Minimum: 1000 (01 May 00:00) Maximum: 1000 (01 May 00:00) Half-hourly Instantaneous Wind Speed (knots) Average: 0.0 Minimum: 0.0 (01 May 00:00) Maximum: 0.0 (01 May 00:00) Half-hourly Maximum Wind Speed (knots) Average: 0.0 Minimum: 0 (01 May 00:00) Maximum: 0 (01 May 00:00) Prevalent Wind Direction N (100.0% of readings) Total Sunshine Hours 0.2 Total Rainfall mm 14.9