Key West Weather in 2023

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	2.5 inches	September 24
Most daily snow	none	-
Total annual precipitation	37.0 inches	-
Total annual snow	none	-

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

Rank	Temperature	Date
1	53 °F	January 16
2	55 °F	December 31
3	56 °F	January 15
4	58 °F	December 30
4	58 °F	February 14
6	59 °F	January 11
7	61 °F	January 12
8	62 °F	December 29
8	62 °F	December 28
8	62 °F	December 20
8	62 °F	January 28
8	62 °F	January 17
8	62 °F	January 14

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
September 20	89	79	0.06
September 21	87	74	1.46
September 22	90	78	0.03
September 23	87	76	0.60
September 24	87	72	2.47
September 25	89	83	0.00
September 26	88	76	0.27
September 27	88	81	0.03
September 28	88	77	0.45
September 29	89	77	1.03
September 30	88	81	0.01

October 2023 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	91	78	0.94
October 2	89	79	0.08
October 3	89	81	0.00
October 4	90	81	0.00
October 5	90	80	0.00
October 6	89	82	0.00
October 7	90	81	0.00
October 8	88	81	0.00
October 9	89	78	0.25
October 10	90	79	0.00
October 11	88	81	0.06
October 12	89	85	0.00
October 13	88	84	0.00
October 14	89	78	1.18
October 15	90	79	1.23
October 16	85	74	0.01
October 17	78	70	0.00
October 18	81	70	0.00
October 19	85	75	0.00
October 20	85	74	0.01
October 21	86	76	0.00
October 22	86	73	0.00
October 23	86	75	0.00
October 24	86	77	0.00
October 25	85	75	0.04
October 26	84	75	0.15
October 27	85	75	0.20
October 28	85	76	0.00
October 29	86	77	0.00
October 30	87	78	0.04
October 31	87	77	0.00

November 2023 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	83	75	0.00
November 2	83	73	0.00
November 3	84	75	0.00
November 4	78	75	0.00
November 5	79	74	0.00
November 6	81	72	0.00
November 7	83	73	0.00
November 8	84	75	0.00
November 9	84	76	0.00
November 10	85	80	0.00
November 11	85	77	0.35
November 12	85	79	0.00
November 13	84	77	0.00
November 14	83	77	0.00
November 15	81	74	1.07
November 16	82	73	0.00
November 17	84	72	0.07
November 18	82	74	0.00
November 19	81	73	0.00
November 20	84	73	0.00
November 21	81	77	0.05
November 22	83	77	0.00
November 23	81	73	0.00
November 24	78	75	0.02
November 25	82	76	0.00
November 26	84	78	0.00
November 27	81	74	0.00
November 28	76	68	0.00
November 29	74	67	0.00
November 30	80	71	0.00

December 2023 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	82	72	0.00
December 2	84	78	0.00
December 3	85	77	0.01
December 4	85	72	0.00
December 5	81	73	0.00
December 6	75	67	0.00
December 7	74	64	0.00
December 8	80	69	0.00
December 9	81	71	0.00
December 10	82	74	0.08
December 11	75	66	0.00
December 12	72	66	0.00
December 13	76	71	0.10
December 14	77	69	0.13
December 15	73	68	0.97
December 16	76	69	1.90
December 17	78	69	0.13
December 18	77	68	0.00
December 19	67	63	0.00
December 20	74	62	0.00
December 21	75	66	0.00
December 22	76	66	0.00
December 23	75	65	0.00
December 24	77	68	0.24
December 25	76	71	1.48
December 26	79	70	0.02
December 27	76	66	0.00
December 28	70	62	0.82
December 29	71	62	0.00
December 30	68	58	0.00
December 31	73	55	0.00