Annapolis Weather Records

Annapolis, Maryland weather averages and records from 1894–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Annapolis, Maryland was 106 °F which occurred on August 6, 1918.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Annapolis, Maryland was -8 °F which occurred on January 22, 1984.
Lowest Temperatures: All-Time By Year
Annapolis Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 44.5 29.0 77 -8 3.1
February 46.1 30.1 83 -6 2.5
March 54.4 37.1 92 10 4.3
April 66.0 47.1 98 13 3.4
May 75.1 56.3 98 32 3.7
June 83.4 66.3 103 35 4.3
July 87.7 71.3 105 50 4.4
August 85.6 69.9 106 46 4.6
September 79.4 64.0 99 37 4.6
October 68.2 51.7 94 26 3.9
November 57.0 40.9 85 13 3.3
December 47.9 33.6 78 -1 3.7
Entire year 66.3 49.8 106 -8 45.6
More Annapolis Weather Records
1894–2024
Highest daily low 92 °F July 7, 1994
Lowest daily high 3 °F February 10, 1899
Greatest daily range
(Difference of high and low)
52 °F May 19, 1997
Greatest difference in daily high
over two conscutive days
42 °F Jan 13–14, 1895
Most daily precipitation 9.2 inches August 12, 1928
Most monthly precipitation 15.2 inches September 1999
Most yearly precipitation 67.1 inches 1907
Most yearly days with precipitation 154 2003
Earliest freeze October 1 1899
Earliest day ≥ 80 °F February 21 2018
Earliest day ≥ 90 °F March 30 1998
Earliest day ≥ 100 °F June 21 1988
Latest freeze April 30 1901
Latest day ≥ 80 °F November 15 1993
Latest day ≥ 90 °F October 9 2007
Latest day ≥ 100 °F August 31 1953
Most days in a year < 0 °F 3 1899
Most days in a year < 32 °F 106 1987
Most days in a year ≥ 80 °F 136 2001
Most days in a year ≥ 90 °F 63 1988
Most days in a year ≥ 100 °F 7 1901
Annapolis Weather Streaks
Most consecutive days...
With precipitation 13 days Aug 14–26, 1926
Without precipitation 37 days Oct 18 – Nov 23, 2001
High temperature at or
below freezing
11 days Dec 28, 2017 – Jan 7, 2018
High temperature ≥ 80 °F 93 days Jun 8 – Sep 8, 1998
High temperature ≥ 90 °F 24 days Jul 14 – Aug 6, 1995
High temperature ≥ 100 °F 4 days Jul 21–24, 1991
Plant Hardiness Zone
8A
Annapolis is in plant hardiness zone 8A
based on average yearly minimum temperature from 1991–2020
Annapolis Weather by Year
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Weather Station Details
Years Station Coordinates
2005–2024 Annapolis location
1976–2004 Annapolis Police Barracks location
1894–1975 U.S. Naval Academy location