Key West Weather in 2023

Historical record of Key West, Florida weather for the year 2023 based on NOAA data.
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Year:
2023 Key West Weather Extremes
Highest temperature 96 °F July 3
Lowest temperature 53 °F January 16
Highest daily low 88 °F August 9
Lowest daily high 64 °F January 15
Most daily precipitation 2.2 inches August 20
Most daily snow none -
Total annual precipitation 19.0 inches -
Total annual snow none -
What's the hottest temperature in Key West so far this year?
As of September 19, the highest temperature recorded in Key West, Florida in 2023 is 96 °F which happened on July 3.
Highest Temperatures: All-Time By Year
Highest Temperatures in Key West in 2023
Rank Temperature Date
1 96 °F Jul 3
2 95 °F Sep 14
2 95 °F Aug 11
2 95 °F Aug 2
2 95 °F Jul 25
2 95 °F Jun 28
7 94 °F Sep 15
7 94 °F Sep 13
7 94 °F Sep 12
7 94 °F Aug 15
7 94 °F Aug 10
7 94 °F Aug 6
7 94 °F Aug 5
7 94 °F Aug 4
7 94 °F Aug 1
7 94 °F Jul 22
7 94 °F Jul 12
7 94 °F Jun 29
7 94 °F Jun 27
7 94 °F Jun 16
What's the coldest temperature in Key West so far this year?
As of September 19, the lowest temperature recorded in Key West, Florida in 2023 is 53 °F which happened on Jan 16.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Key West in 2023
Rank Temperature Date
1 53 °F January 16
2 56 °F January 15
3 58 °F February 14
4 59 °F January 11
5 61 °F January 12
6 62 °F January 28
6 62 °F January 17
6 62 °F January 14
9 64 °F March 20
9 64 °F February 13
January 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
 83 72 0.00
January 2
 82 70 0.00
January 3
 81 75 0.00
January 4
 81 75 0.00
January 5
 81 72 0.00
January 6
 75 68 0.00
January 7
 76 66 0.00
January 8
 79 66 0.00
January 9
 77 68 0.00
January 10
 77 67 0.00
January 11
 73 59 0.00
January 12
 78 61 0.00
January 13
 80 65 0.07
January 14
 68 62 0.00
January 15
 64 56 0.00
January 16
 72 53 0.00
January 17
 76 62 0.00
January 18
 78 66 0.00
January 19
 80 68 0.00
January 20
 80 70 0.00
January 21
 80 71 0.00
January 22
 81 77 0.00
January 23
 81 65 0.00
January 24
 79 68 0.01
January 25
 81 76 0.00
January 26
 80 67 0.00
January 27
 69 65 0.00
January 28
 79 62 0.00
January 29
 80 70 0.00
January 30
 83 71 0.00
January 31
 81 74 0.00
February 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
 81 75 0.00
February 2
 81 75 0.00
February 3
 82 72 0.00
February 4
 79 67 0.00
February 5
 80 71 0.00
February 6
 83 69 0.00
February 7
 82 72 0.00
February 8
 83 71 0.00
February 9
 84 74 0.00
February 10
 84 74 0.00
February 11
 83 75 0.00
February 12
 76 67 0.01
February 13
 73 64 0.00
February 14
 79 58 0.00
February 15
 81 71 0.00
February 16
 82 75 0.00
February 17
 86 73 0.00
February 18
 80 72 0.00
February 19
 82 74 0.00
February 20
 82 73 0.00
February 21
 82 70 0.00
February 22
 84 77 0.00
February 23
 84 77 0.00
February 24
 83 76 0.00
February 25
 83 74 0.00
February 26
 82 68 0.00
February 27
 81 68 0.00
February 28
 81 74 0.00
March 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
 82 75 0.00
March 2
 82 75 0.00
March 3
 84 76 0.00
March 4
 85 77 0.00
March 5
 84 75 0.00
March 6
 86 73 0.00
March 7
 84 72 0.00
March 8
 84 75 0.00
March 9
 82 75 0.00
March 10
 80 74 0.00
March 11
 84 72 0.00
March 12
 80 70 0.00
March 13
 83 77 0.00
March 14
 81 74 0.00
March 15
 76 68 0.06
March 16
 78 67 0.00
March 17
 80 73 0.00
March 18
 85 76 0.00
March 19
 78 66 0.03
March 20
 72 64 0.06
March 21
 79 65 0.00
March 22
 80 70 0.00
March 23
 82 72 0.00
March 24
 82 74 0.00
March 25
 83 78 0.00
March 26
 83 78 0.00
March 27
 83 76 0.00
March 28
 83 77 0.00
March 29
 87 75 0.00
March 30
 82 74 0.10
March 31
 83 76 0.00
April 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
 84 74 0.00
April 2
 83 72 0.00
April 3
 84 76 0.00
April 4
 85 78 0.00
April 5
 85 79 0.00
April 6
 85 79 0.00
April 7
 84 77 0.00
April 8
 84 75 0.00
April 9
 86 73 0.00
April 10
 83 70 0.02
April 11
 81 73 0.00
April 12
 83 73 0.60
April 13
 82 77 0.00
April 14
 83 78 0.00
April 15
 85 79 0.00
April 16
 85 73 0.04
April 17
 85 72 0.01
April 18
 82 72 0.00
April 19
 84 75 0.00
April 20
 83 75 0.00
April 21
 85 73 0.00
April 22
 84 77 0.00
April 23
 88 75 0.00
April 24
 84 77 0.00
April 25
 81 71 0.90
April 26
 84 74 0.00
April 27
 87 76 0.00
April 28
 86 77 0.00
April 29
 87 80 0.10
April 30
 84 77 0.02
May 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
 85 73 0.00
May 2
 84 69 0.00
May 3
 86 73 0.00
May 4
 87 72 0.00
May 5
 87 72 0.00
May 6
 87 77 0.00
May 7
 87 79 0.00
May 8
 84 78 0.00
May 9
 85 77 0.00
May 10
 85 78 0.00
May 11
 86 78 0.00
May 12
 87 80 0.00
May 13
 84 75 0.37
May 14
 88 77 0.00
May 15
 88 75 0.12
May 16
 89 78 0.00
May 17
 87 78 0.00
May 18
 88 77 0.00
May 19
 91 80 0.08
May 20
 90 79 0.09
May 21
 91 79 0.00
May 22
 92 82 0.00
May 23
 90 75 1.42
May 24
 86 73 1.63
May 25
 89 78 0.00
May 26
 90 77 0.00
May 27
 89 75 0.24
May 28
 89 76 0.00
May 29
 88 77 0.00
May 30
 87 76 0.02
May 31
 87 79 0.00
June 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
 87 75 0.25
June 2
 86 78 0.00
June 3
 86 77 0.05
June 4
 90 78 0.00
June 5
 89 78 0.00
June 6
 85 78 0.00
June 7
 87 82 0.00
June 8
 88 82 0.00
June 9
 89 82 0.00
June 10
 89 79 0.00
June 11
 88 83 0.00
June 12
 88 83 0.00
June 13
 89 84 0.00
June 14
 89 84 0.00
June 15
 90 84 0.00
June 16
 94 83 0.00
June 17
 91 84 0.02
June 18
 91 78 0.01
June 19
 93 84 0.00
June 20
 90 84 0.00
June 21
 91 83 0.01
June 22
 91 81 0.08
June 23
 92 85 0.00
June 24
 92 80 0.04
June 25
 88 77 0.75
June 26
 90 77 0.96
June 27
 94 81 0.00
June 28
 95 83 0.00
June 29
 94 81 0.00
June 30
 90 79 0.68
July 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
 90 83 0.01
July 2
 90 84 0.00
July 3
 96 83 0.00
July 4
 93 84 0.00
July 5
 91 85 0.00
July 6
 91 83 0.00
July 7
 90 84 0.00
July 8
 92 83 0.00
July 9
 91 83 0.00
July 10
 91 86 0.00
July 11
 93 86 0.00
July 12
 94 87 0.00
July 13
 92 85 0.00
July 14
 93 85 0.00
July 15
 92 86 0.00
July 16
 92 85 0.06
July 17
 92 84 0.00
July 18
 93 87 0.00
July 19
 91 80 0.02
July 20
 93 86 0.01
July 21
 91 84 0.00
July 22
 94 86 0.00
July 23
 93 85 0.00
July 24
 92 86 0.00
July 25
 95 74 0.66
July 26
 89 76 0.15
July 27
 92 79 0.03
July 28
 91 81 0.18
July 29
 91 85 0.00
July 30
 91 82 0.23
July 31
 91 81 0.11
August 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
 94 86 0.00
August 2
 95 84 0.00
August 3
 91 84 0.00
August 4
 94 83 0.00
August 5
 94 84 0.00
August 6
 94 85 0.00
August 7
 92 87 0.00
August 8
 92 87 0.00
August 9
 92 88 0.00
August 10
 94 87 0.00
August 11
 95 83 0.37
August 12
 92 76 1.67
August 13
 92 85 0.00
August 14
 92 87 0.00
August 15
 94 81 0.53
August 16
 89 79 0.12
August 17
 91 83 0.00
August 18
 91 83 0.04
August 19
 93 77 0.65
August 20
 87 77 2.18
August 21
 92 80 0.17
August 22
 92 81 0.00
August 23
 92 83 0.00
August 24
 91 84 0.00
August 25
 91 81 0.00
August 26
 93 83 0.00
August 27
 89 83 0.00
August 28
 90 84 0.00
August 29
 88 78 0.57
August 30
 90 85 0.01
August 31
 90 85 0.00
September 2023 Key West Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
 91 84 0.00
September 2
 92 80 0.13
September 3
 91 82 0.00
September 4
 89 77 0.47
September 5
 89 82 0.18
September 6
 89 83 0.00
September 7
 92 83 0.00
September 8
 90 81 0.00
September 9
 90 82 0.02
September 10
 92 82 0.00
September 11
 92 85 0.00
September 12
 94 84 0.00
September 13
 94 82 0.00
September 14
 95 85 0.00
September 15
 94 83 0.00
September 16
 93 82 0.00
September 17
 91 85 0.00
September 18
 93 83 0.12
September 19
 90 75 1.44
Weather Station Details
Years Station Coordinates
1948–2023 Key West International Airport location
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