Massachusetts Annual Rainfall and Climate Data, see below for individual
cities

Massachusetts city precipitation totals
| City | Avg Annual Precip |
Avg Annual Snow |
Avg # days of Precip |
Avg # thunderstorm days |
Avg # hail days |
Avg # severe thunderstorm watches per year | Avg # tornado watches per year | # of tornadoes reported in county, 1960-2010 |
| Blue Hill | 51.22 | 60.8 | 134 | 15 | 0 | 0 | 6 | 7 |
| Boston | 42.53 | 43.2 | 126 | 18 | 1 | 0 | 5 | 0 |
| Worcester | 49.05 | 69.1 | 133 | 23 | 1 | 0 | 8 | 24 |
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Massachusetts Precipitation Records
- Driest location ranked by lowest annual average precipitation: Nantucket, southeastern Massachusetts, 37.43"
- Wettest location ranked by highest annual average precipitation: Chester, southwestern Massachusetts, 61.65"
- Snowiest location ranked by highest annual average snowfall: West Cunningham, west central Massachusetts, 85.0"
- State precipitation maximum for 24 hours - Westfield, southwestern Massachusetts, 8/18-19/1955, 18.15"
- State precipitation maximum for 1 year - New Salem, central Massachusetts, 1996, 76.49"
- State snow maximum for 24 hours - Worcester, central Massachusetts, 3/31-4/1/1997, 33.0"
- State snow maximum for 1 season - Monroe, northwestern Massachusetts, 1892, 1893, 162.0"
- On 01/22/2005 a major winter snowstorm, nicknamed the "Blizzard of 2005", affected the Northeastern United States. More than one foot of snow covered much of southern New England in the storm's aftermath, with well over two feet in some areas of Massachusetts
- Massachusetts receives about the same amount of rainfall each month and as a result, Massachusetts averages precipitation once every three days
- Each winter, Boston averages 35 days with one inch or more of snow cover on the ground
- Massachusetts temperature averages and extremes, Boston climate extremes/averages, precipitation and temperature data for all U.S. states and Top 10 U.S. climate extremes
Data sources: National Climatic Data Center, severe thunderstorm / tornado watch data period is 1999 - 2008, NOAA Storm Prediction Center