Key West Weather in 1981

Historical record of Key West, Florida weather for the year 1981 based on NOAA data.
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1981 Key West Weather Extremes
Highest temperature 93 °F June 17
Lowest temperature 41 °F January 13
Highest daily low 84 °F July 31
Lowest daily high 54 °F January 13
Most daily precipitation 2.1 inches August 18
Most daily snow none -
Total annual precipitation 27.1 inches -
Total annual snow none -
Highest Temperatures in Key West in 1981
Rank Temperature Date
1 93 °F Jun 17
1 93 °F Jun 13
3 92 °F Jul 31
3 92 °F Jul 28
3 92 °F Jul 25
3 92 °F Jul 24
3 92 °F Jul 6
3 92 °F Jun 22
3 92 °F Jun 11
3 92 °F Jun 10
Lowest Temperatures in Key West in 1981
Rank Temperature Date
1 41 °F January 13
2 47 °F January 14
3 48 °F January 18
3 48 °F January 12
5 50 °F December 20
5 50 °F January 19
7 51 °F February 4
8 52 °F December 19
8 52 °F January 27
8 52 °F January 20
January 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
70 60 0.00
January 2
70 59 0.00
January 3
65 54 0.00
January 4
65 55 0.00
January 5
66 58 0.00
January 6
73 60 0.00
January 7
75 66 0.00
January 8
68 61 0.13
January 9
64 58 0.00
January 10
63 57 0.00
January 11
61 55 0.00
January 12
55 48 0.00
January 13
54 41 0.00
January 14
71 47 0.00
January 15
73 54 0.00
January 16
76 62 0.00
January 17
62 53 0.00
January 18
57 48 0.00
January 19
60 50 0.00
January 20
72 52 0.00
January 21
70 62 0.00
January 22
64 58 0.00
January 23
63 55 0.17
January 24
63 56 0.13
January 25
63 54 0.02
January 26
68 54 0.00
January 27
68 52 0.00
January 28
74 59 0.01
January 29
71 58 0.00
January 30
73 62 0.00
January 31
75 61 0.00
February 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
79 69 0.00
February 2
76 61 0.00
February 3
62 53 0.00
February 4
64 51 0.00
February 5
66 55 0.00
February 6
74 61 0.06
February 7
78 68 0.18
February 8
77 68 0.05
February 9
75 61 0.00
February 10
80 71 0.00
February 11
82 63 0.00
February 12
72 62 0.00
February 13
76 66 0.02
February 14
79 65 0.00
February 15
78 68 0.00
February 16
78 71 0.03
February 17
80 72 0.00
February 18
75 67 1.92
February 19
75 65 0.01
February 20
71 64 0.00
February 21
71 64 0.00
February 22
74 63 0.00
February 23
74 62 0.00
February 24
71 60 0.00
February 25
72 61 0.00
February 26
76 63 0.00
February 27
75 62 0.00
February 28
78 66 0.00
March 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
78 66 0.00
March 2
77 62 0.00
March 3
75 68 0.00
March 4
81 68 0.00
March 5
79 70 0.00
March 6
76 65 0.00
March 7
71 62 0.00
March 8
78 65 0.00
March 9
77 70 0.09
March 10
78 68 0.00
March 11
73 66 0.00
March 12
75 65 0.00
March 13
79 64 0.42
March 14
74 66 0.00
March 15
78 63 0.00
March 16
77 65 0.00
March 17
72 63 0.00
March 18
77 67 0.00
March 19
76 63 0.00
March 20
67 61 0.00
March 21
74 56 0.00
March 22
78 70 0.33
March 23
75 64 0.00
March 24
67 62 0.00
March 25
70 61 0.00
March 26
75 64 0.00
March 27
78 68 0.00
March 28
79 69 0.00
March 29
78 71 0.00
March 30
82 73 0.00
March 31
84 75 0.00
April 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
83 75 0.00
April 2
82 74 0.00
April 3
81 73 0.00
April 4
85 75 0.00
April 5
85 75 0.00
April 6
81 74 0.02
April 7
83 71 0.00
April 8
82 73 0.02
April 9
82 74 0.02
April 10
82 73 0.00
April 11
82 74 0.00
April 12
82 73 0.00
April 13
82 73 0.00
April 14
82 73 0.00
April 15
82 72 0.00
April 16
82 73 0.00
April 17
82 72 0.20
April 18
82 75 0.00
April 19
83 73 0.09
April 20
83 73 0.00
April 21
85 73 0.00
April 22
85 74 0.00
April 23
85 74 0.00
April 24
82 75 0.00
April 25
82 75 0.00
April 26
86 75 0.00
April 27
83 76 0.04
April 28
85 76 0.00
April 29
86 76 0.00
April 30
83 75 0.00
May 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
84 74 0.00
May 2
84 74 0.00
May 3
83 76 0.00
May 4
83 74 0.00
May 5
85 75 0.00
May 6
87 76 0.10
May 7
84 76 0.00
May 8
83 75 0.00
May 9
84 73 0.00
May 10
89 76 0.00
May 11
87 77 0.00
May 12
82 76 0.00
May 13
81 73 0.00
May 14
84 71 0.00
May 15
84 73 0.00
May 16
87 73 0.00
May 17
89 78 0.00
May 18
89 79 0.00
May 19
88 79 0.00
May 20
87 80 0.00
May 21
87 75 0.00
May 22
87 74 0.00
May 23
86 77 0.04
May 24
87 78 0.00
May 25
87 78 0.00
May 26
88 75 0.34
May 27
86 77 0.00
May 28
88 78 0.00
May 29
87 77 0.07
May 30
88 79 0.00
May 31
90 81 0.00
June 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
89 81 0.00
June 2
89 79 0.07
June 3
90 81 0.00
June 4
91 80 0.00
June 5
90 81 0.00
June 6
89 82 0.00
June 7
89 81 0.01
June 8
88 81 0.00
June 9
89 82 0.00
June 10
92 82 0.00
June 11
92 82 0.00
June 12
90 83 0.00
June 13
93 83 0.00
June 14
90 82 0.02
June 15
90 81 0.00
June 16
90 81 0.00
June 17
93 80 0.01
June 18
88 81 0.02
June 19
89 80 0.00
June 20
89 80 0.00
June 21
89 81 0.00
June 22
92 79 0.21
June 23
85 77 0.09
June 24
90 81 0.00
June 25
91 81 0.00
June 26
88 79 0.07
June 27
88 79 0.00
June 28
90 79 0.11
June 29
87 80 0.28
June 30
88 80 0.01
July 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
89 80 0.00
July 2
88 79 0.00
July 3
88 82 0.00
July 4
90 82 0.00
July 5
89 80 0.00
July 6
92 82 0.00
July 7
91 83 0.00
July 8
91 81 0.00
July 9
90 78 0.15
July 10
91 82 0.00
July 11
91 82 0.00
July 12
91 81 0.00
July 13
89 80 0.29
July 14
90 80 0.00
July 15
90 82 0.00
July 16
90 83 0.00
July 17
91 82 0.00
July 18
89 84 0.00
July 19
89 84 0.00
July 20
91 83 0.00
July 21
90 84 0.00
July 22
89 83 0.00
July 23
89 80 0.02
July 24
92 79 0.13
July 25
92 82 0.00
July 26
91 78 0.51
July 27
89 79 0.04
July 28
92 82 0.00
July 29
88 82 0.01
July 30
89 82 0.00
July 31
92 84 0.00
August 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
91 83 0.00
August 2
88 75 0.91
August 3
89 81 0.00
August 4
84 76 2.10
August 5
88 77 0.12
August 6
90 83 0.00
August 7
90 82 0.00
August 8
90 83 0.00
August 9
90 81 0.01
August 10
89 79 0.17
August 11
90 80 0.00
August 12
91 82 0.00
August 13
91 80 0.03
August 14
91 78 0.57
August 15
85 78 0.16
August 16
83 77 0.47
August 17
84 77 1.73
August 18
83 76 2.11
August 19
86 79 0.00
August 20
87 80 0.00
August 21
90 75 0.08
August 22
90 81 0.02
August 23
90 83 0.00
August 24
90 82 0.00
August 25
89 80 0.07
August 26
88 78 0.06
August 27
89 77 0.15
August 28
90 77 0.12
August 29
90 82 0.00
August 30
88 81 0.00
August 31
88 81 0.00
September 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
90 81 0.04
September 2
87 78 0.56
September 3
90 78 1.41
September 4
89 79 0.11
September 5
89 79 0.02
September 6
89 81 0.00
September 7
88 80 0.00
September 8
88 83 0.00
September 9
88 81 0.00
September 10
88 79 0.19
September 11
88 78 0.24
September 12
89 77 0.50
September 13
88 77 0.06
September 14
90 80 0.00
September 15
88 77 0.27
September 16
88 83 0.00
September 17
88 83 0.00
September 18
89 80 0.06
September 19
87 80 0.02
September 20
89 80 0.00
September 21
89 81 0.00
September 22
85 74 0.78
September 23
87 77 0.00
September 24
83 76 0.14
September 25
81 76 0.21
September 26
85 77 0.00
September 27
86 76 0.00
September 28
88 78 0.00
September 29
83 74 1.85
September 30
84 75 0.22
October 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
86 77 0.02
October 2
86 77 0.01
October 3
87 77 0.00
October 4
88 79 0.00
October 5
88 80 0.00
October 6
88 79 0.00
October 7
88 79 0.00
October 8
86 78 0.00
October 9
89 78 0.00
October 10
88 81 0.00
October 11
85 78 0.02
October 12
87 78 0.00
October 13
86 78 0.00
October 14
86 76 0.04
October 15
83 76 0.13
October 16
82 75 0.00
October 17
84 73 0.00
October 18
85 73 0.00
October 19
84 73 0.00
October 20
83 74 0.00
October 21
86 76 0.38
October 22
85 76 0.16
October 23
88 77 0.07
October 24
86 78 0.00
October 25
88 79 0.00
October 26
88 79 0.00
October 27
86 80 0.00
October 28
84 78 0.00
October 29
84 78 0.34
October 30
84 77 0.05
October 31
83 75 0.17
November 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
85 74 0.05
November 2
84 74 0.14
November 3
84 75 0.30
November 4
85 77 0.04
November 5
85 75 0.77
November 6
80 75 0.00
November 7
77 69 0.00
November 8
81 65 0.00
November 9
83 72 0.00
November 10
78 70 2.06
November 11
82 69 0.13
November 12
77 69 0.00
November 13
76 71 0.00
November 14
75 69 0.00
November 15
74 67 0.00
November 16
76 63 0.00
November 17
80 66 0.00
November 18
74 66 0.00
November 19
76 63 0.00
November 20
77 67 0.00
November 21
71 64 0.01
November 22
71 64 0.00
November 23
76 66 0.00
November 24
78 65 0.00
November 25
75 68 0.00
November 26
79 68 0.00
November 27
81 71 0.00
November 28
80 69 0.00
November 29
79 69 0.00
November 30
82 71 0.00
December 1981 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
82 76 0.00
December 2
83 77 0.00
December 3
79 73 0.00
December 4
76 70 0.00
December 5
71 59 0.00
December 6
71 62 0.00
December 7
75 65 0.00
December 8
76 65 0.00
December 9
73 65 0.00
December 10
68 61 0.00
December 11
65 54 0.00
December 12
68 58 0.00
December 13
75 58 0.00
December 14
79 64 0.00
December 15
79 67 0.00
December 16
67 64 0.00
December 17
74 66 0.00
December 18
75 65 0.01
December 19
65 52 0.00
December 20
59 50 0.00
December 21
71 55 0.00
December 22
77 63 0.00
December 23
80 72 0.00
December 24
80 69 0.00
December 25
80 75 0.02
December 26
80 74 0.00
December 27
80 74 0.00
December 28
79 72 0.00
December 29
80 70 0.04
December 30
80 70 0.00
December 31
83 75 0.00
Weather Station Details
Years Station Coordinates
1948–2024 Key West International Airport location