May was a very grey month with slightly above average temperatures, average rainfall and below average sunshine. The temperatures for May averaged 57.4 degrees, 1.1 degrees per day above normal. The maximum temperature was 84.2 degrees on the 30th and a minimum temperature of 36.5 degrees was recorded on the 2nd. Daytime high temperatures averaged 65.8 degrees, 1.0 degree above the norm. Evening temperatures averaged 50.8 degrees, 3.1 degrees above the norm.
Sunshine totaled 39% of the possible sunshine hours, 13 points below the norm and 27% below May 2010. There were 5 days with 90% or better sunshine and 17 days with no sunshine at all. There were 11 days with fog in East Wareham.
Precipitation totaled 3.37 inches, 0.36 inches below the average rainfall for May in East Wareham. There were a total of 16 days with measurable precipitation. The largest 24-hour rainfall was 0.59 inches on the 16th and the 19th. Our total year-to-date rainfall is 20.48 inches, 0.46 inches below the average in East Wareham, and 4.50 inches below the amount measured at this point last year.
The official spring (March-May) had above average temperatures, average rainfall and low sunshine. Temperatures averaged 47.9 degrees, 1.7 degrees above average; rainfall totaled 12.72 inches, 0.04 inches above average and snowfall totaled 3.5 inches, 2.30 inches below average. Sunshine for the spring average was below normal, coming in with 44% of possible, 6 points under the normal. While sunshine during March was slightly above average, April and May were well below average.