Hyannis Weather Records

Hyannis, Massachusetts weather averages and records from 1893–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Hyannis, Massachusetts was 100 °F which occurred on August 28, 1948.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Hyannis, Massachusetts was -12 °F which occurred on February 9, 1934.
Lowest Temperatures: All-Time By Year
Hyannis Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 39.0 22.7 65 -8 3.5 5.9
February 40.4 24.1 66 -12 3.4 6.2
March 45.2 30.3 78 -3 4.4 3.0
April 54.1 39.0 87 9 4.0 0.0
May 63.4 48.3 93 24 3.3 0.0
June 72.4 57.8 97 31 3.4 0.0
July 79.2 64.7 98 42 2.8 0.0
August 78.0 64.1 100 34 3.2 0.0
September 71.9 57.3 95 26 3.8 0.0
October 62.0 46.7 85 9 4.5 0.0
November 52.8 37.6 77 7 3.8 0.0
December 44.4 29.4 66 -9 4.8 2.0
Entire year 59.0 43.9 100 -12 45.9 18.9
More Hyannis Weather Records
1893–2022
Highest daily low 79 °F August 12, 1896
Lowest daily high 5 °F February 12, 1914
Greatest daily range
(Difference of high and low)
50 °F April 18, 1964
Difference in high temperature
over two conscutive days
36 °F Apr 29–30, 1990
Most daily precipitation 6.0 inches September 4, 2010
Most monthly precipitation 14.1 inches August 1946
Most yearly precipitation 59.9 inches 2019
Earliest freeze September 22 1962
Latest freeze June 4 1957
Earliest snow in season October 28 1903
Latest snow in season April 22 1947
Most daily snow 13.0 inches January 15, 1910
Most monthly snow 36.0 inches February 1952
Most yearly snow 81.7 inches 1904
Most days in a year ≥ 80 °F 68 1959
Most days in a year ≥ 90 °F 12 1963
Most days in a year ≥ 100 °F 1 1948
Hyannis Weather Streaks
Most consecutive days...
With precipitation 12 days Dec 30, 2002 – Jan 10, 2003
Without precipitation 38 days May 30 – Jul 6, 1949
With snow 5 days Feb 15–19, 2015
Freezing temperatures
High temperature ≤ 32 °F
15 days Feb 6–20, 1979
High temperature ≥ 80 °F 22 days Jun 29 – Jul 20, 2012
High temperature ≥ 90 °F 5 days Jul 4–8, 2010
Hyannis Weather by Year
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Weather Station Details
Years Station Coordinates
1893–2022 Hyannis location