Climatological  Data
Copyright © 1996-2017 STORMFAX

 Weather in Hyannis the past 48 hours !

Hyannis Port

Hyannis Harbor WebCam

Hyannis, MA
NWS/1971-2000 

AVERAGE TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
49.5 F 29.2 30.0 36.6 45.0 54.9 64.3 70.5 69.7 62.9 52.5 44.1 34.7

AVERAGE HIGH TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
57.0 F 37.2 37.8 43.8 52.0 62.0 71.5 77.8 76.8 70.5 60.5 51.4 42.4

AVERAGE LOW TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
42.1 F 21.2 22.1 29.3 37.9 47.8 57.1 63.2 62.6 55.3 44.4 36.7 27.0

HIGHEST RECORDED TEMPERATURE (All-Time)
EverJanFebMarAprMayJuneJulyAugSepOctNovDec
100 F6562738193979810095837365

LOWEST RECORDED TEMPERATURE (All-Time)
EverJanFebMarAprMayJuneJulyAugSepOctNovDec
-12 F-8-122925314339262111-9

AVERAGE PRECIPITATION (Inches)
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
43.03" 4.06 3.29 3.94 3.76 3.23 3.21 2.81 3.50 3.33 3.91 3.87 4.12

AVERAGE DAYS of PRECIPITATION
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
77 days877766575667

NORMAL HEATING DEGREE DAYS
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
6026 1110 982 882 601 314 69 4 8 97 391 628 940

NORMAL COOLING DEGREE DAYS
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
413 0 0 0 0 0 48 176 155 33 1 0 0

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