Weather as Recorded at the UMass Cranberry Station:
Prepared by Peter Jeranyama
May weather was slightly dry, average in temperature and with more sunshine than normal. Rainfall was slightly below the 30-year average. The temperatures for May averaged 55.9 degrees, 0.1 degrees above the 30-year average. The maximum temperature was 79 degrees on the 27th and a minimum temperature of 35 degrees was recorded on the 2nd. Daytime high temperatures averaged 64.5 degrees as the norm. Evening temperatures averaged 47.3 degrees, 0.2 degrees above the norm.
Based on data from the Blue Hills Observatory, sunshine averaged 60% of the possible sunshine hours, 8 percentage point above the norm. There were 9 days with 90% or better sunshine and only 1 day with no sunshine at all. There were 15 days that were cloudy and overcast in East Wareham.
Precipitation totaled 3.34 inch (this is 2.1 inches less precipitation than received in May 2019), 0.37 inches below the average rainfall for May in East Wareham. There were 12 days with measurable precipitation, 10 with more than 0.1 inch. The largest 24-hour rainfall event was 0.91 inches on the 2nd. Our total year-to-date rainfall is 18.82 inches, 2.57 inches below the average in East Wareham.
Official Spring Season
The official spring (March-May) had normal average temperatures of 46.6 degrees, just 0.3 degrees above the long-term average. Snowfall for the period totaled 1 inch (none in April and May). Precipitation was 0.1 inches below normal at 13.6 inches and this is 0.5 inches more rainfall than the same period last year (2019). Sunshine for the spring was 612 hours, 7 % more than the normal average number of sunshine hours for the three-month period although sunshine hours were below average for April but above average for March and May.