Waltham December Weather Averages Massachusetts, United States of America

December Weather Averages for Waltham

High Temp4°C40°F
Low Temp-1°C29°F
Avg Temp1°C35°F
Sunshine Hours173 hours 
Rainfall123.60 mm4.87 In
Rain days8 days 
Pressure1017 mb31 In

 

Waltham December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20084°C / 40°F-3°C / 27°F1°C / 34°F148 hours164.38 mm / 6.47 In10 days1018 mb / 31 In
20092°C / 36°F-4°C / 25°F-1°C / 31°F181 hours117.70 mm / 4.63 In8 days1016 mb / 30 In
20102°C / 35°F-4°C / 25°F-1°C / 30°F164 hours96.50 mm / 3.80 In9 days1008 mb / 30 In
20116°C / 43°F0°C / 33°F3°C / 38°F223 hours85.98 mm / 3.39 In4 days1020 mb / 31 In
20125°C / 41°F0°C / 32°F3°C / 37°F158 hours130.40 mm / 5.13 In10 days1015 mb / 30 In
20132°C / 36°F-4°C / 26°F-1°C / 31°F156 hours112.10 mm / 4.41 In11 days1019 mb / 31 In
20144°C / 40°F0°C / 31°F2°C / 36°F132 hours121.50 mm / 4.78 In10 days1019 mb / 31 In
20159°C / 48°F3°C / 38°F6°C / 43°F127 hours99.00 mm / 3.90 In9 days1019 mb / 31 In
20163°C / 38°F-2°C / 28°F1°C / 33°F216 hours88.60 mm / 3.49 In7 days1018 mb / 31 In
20171°C / 33°F-5°C / 23°F-2°C / 29°F180 hours68.40 mm / 2.69 In7 days1017 mb / 31 In
20184°C / 40°F-1°C / 30°F2°C / 35°F237 hours74.40 mm / 2.93 In4 days1019 mb / 31 In
20193°C / 38°F-3°C / 27°F0°C / 33°F173 hours202.47 mm / 7.97 In12 days1017 mb / 31 In
20205°C / 40°F-2°C / 29°F1°C / 35°F132 hours169.40 mm / 6.67 In7 days1015 mb / 30 In
20217°C / 44°F0°C / 32°F3°C / 37°F144 hours63.64 mm / 2.51 In9 days1016 mb / 30 In
20226°C / 42°F-1°C / 31°F2°C / 36°F213 hours123.47 mm / 4.86 In7 days1020 mb / 31 In
20238°C / 46°F1°C / 34°F4°C / 40°F149 hours147.86 mm / 5.82 In7 days1019 mb / 31 In
20244°C / 39°F-2°C / 29°F1°C / 33°F177 hours276.21 mm / 10.87 In6 days1021 mb / 31 In
Massachusetts

 

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