May 2012 was a month of two halves, the first half being cold and wet and the second half being warm, sunny and dry. Combined, the month was a typical average May.
On the 5th of the month, the temperature dropped to 0.4°C at 04:43. This was the lowest May temperature ever recorded at this station, beating the previous lowest of 0.7°C set on May 13th 2010. This was in stark contrast to the 24th of the month when the temperature reached 25.7°C at 15:04. This was the highest temperature of 2012 so far, and the highest since October 1st 2011 when 27.4°C was reached. Overall, the average for the month was 11.4°C, slightly higher than the mean of 11.3°C. There wers 143.9 hours of sunshine recorded in the month.
Rainfall for the month was 39.8 millimeters, bringing the total for the year so far to 264.0 millimeters. The average for the year to date is 178.8 millimeters, making 2012 85.2 millimeters wetter than usual. Rain fell on 14 days, 11 in the first half of the month. This was 5.6 millimeters more than the average for the month. The wettest day was the 9th when 11.4 millimeters of rain fell.
Winds were light with the average wind speed for the month being 3.9 mph and the average gust speed 6.6 mph. The highest wind speed was 19.6 mph from 270°(W) on the 11th at 10:52, with the highest gust speed being 29.9 mph from 293°(WNW) also on the 11th at 12:09. The total windrun for the month was 2802.8 miles.
The average barometric pressure for the month was 1016.0 millibars, with the highest being 1037.8 millibars at 12:28 on the 12th. The lowest barometric pressure was 1000.6 millibars at 05:32 on the 10th.
