Key West Weather in 2018

2018 Key West Weather Extremes
Highest temperature	95 °F	September 20
Lowest temperature	53 °F	January 18
Highest daily low	86 °F	July 26
Lowest daily high	62 °F	January 18
Most daily precipitation	3.4 inches	May 25
Total annual precipitation	37.5 inches	-

Rank	Temperature	Date
1	95 °F	Sep 20
2	94 °F	Aug 10
2	94 °F	Jul 22
2	94 °F	Jul 19
2	94 °F	Jul 13
2	94 °F	Jul 10
7	93 °F	Jul 26
7	93 °F	Jul 21
7	93 °F	Jul 18
7	93 °F	Jul 15
7	93 °F	Jul 5

Rank	Temperature	Date
1	53 °F	January 18
2	54 °F	January 4
3	55 °F	January 14
3	55 °F	January 6
3	55 °F	January 5
6	56 °F	January 19
7	58 °F	January 7
8	59 °F	December 12
8	59 °F	March 15
8	59 °F	March 13
8	59 °F	January 31
8	59 °F	January 15

January 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	78	61	0.00
January 2	67	60	0.05
January 3	69	63	0.09
January 4	64	54	0.01
January 5	63	55	0.00
January 6	68	55	0.00
January 7	71	58	0.00
January 8	75	62	0.01
January 9	78	65	0.03
January 10	78	67	0.00
January 11	78	66	0.00
January 12	77	71	0.56
January 13	74	63	0.00
January 14	64	55	0.00
January 15	67	59	0.00
January 16	72	62	0.00
January 17	71	61	0.00
January 18	62	53	0.00
January 19	68	56	0.00
January 20	70	62	0.00
January 21	78	65	0.00
January 22	76	69	0.00
January 23	79	69	0.00
January 24	75	67	0.00
January 25	73	66	0.00
January 26	77	67	0.00
January 27	78	71	0.00
January 28	78	72	0.10
January 29	79	65	0.05
January 30	68	62	0.00
January 31	73	59	0.00

February 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	77	64	0.00
February 2	75	67	0.02
February 3	77	66	0.00
February 4	78	71	0.00
February 5	83	72	0.00
February 6	80	71	0.06
February 7	80	73	0.00
February 8	82	74	0.00
February 9	81	74	0.00
February 10	81	74	0.00
February 11	81	76	0.01
February 12	82	76	0.00
February 13	82	75	0.00
February 14	81	74	0.00
February 15	81	72	0.00
February 16	80	68	0.00
February 17	81	72	0.00
February 18	80	72	0.02
February 19	82	73	0.00
February 20	82	76	0.00
February 21	82	76	0.00
February 22	81	72	0.15
February 23	83	73	0.01
February 24	81	71	0.06
February 25	82	76	0.00
February 26	83	75	0.00
February 27	83	73	0.01
February 28	83	72	0.00

March 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	83	72	0.00
March 2	80	68	0.00
March 3	74	68	0.00
March 4	73	65	0.00
March 5	77	64	0.00
March 6	80	61	0.00
March 7	81	68	0.00
March 8	74	64	0.00
March 9	69	60	0.00
March 10	80	66	0.62
March 11	81	70	0.01
March 12	80	66	1.49
March 13	67	59	0.00
March 14	70	63	0.00
March 15	72	59	0.00
March 16	77	62	0.00
March 17	81	66	0.00
March 18	83	72	0.00
March 19	81	67	0.00
March 20	83	76	0.00
March 21	78	65	0.00
March 22	70	64	0.00
March 23	74	60	0.00
March 24	77	64	0.00
March 25	80	71	0.00
March 26	81	70	0.00
March 27	78	70	0.00
March 28	79	71	0.00
March 29	80	73	0.00
March 30	80	73	0.00
March 31	81	71	0.00

April 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	81	72	0.00
April 2	82	73	0.00
April 3	83	75	0.00
April 4	84	73	0.00
April 5	82	71	0.00
April 6	83	74	0.00
April 7	82	76	0.00
April 8	82	74	0.00
April 9	84	78	0.00
April 10	86	78	0.00
April 11	83	76	0.00
April 12	84	73	0.00
April 13	84	75	0.00
April 14	84	76	0.00
April 15	85	73	0.17
April 16	77	68	0.00
April 17	78	67	0.00
April 18	81	68	0.00
April 19	84	73	0.00
April 20	83	70	0.00
April 21	84	72	0.00
April 22	85	77	0.00
April 23	84	78	0.00
April 24	84	76	0.00
April 25	84	74	0.00
April 26	83	72	0.00
April 27	80	74	0.04
April 28	81	73	0.00
April 29	83	72	0.00
April 30	85	72	0.00

May 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	85	75	0.00
May 2	85	73	0.08
May 3	85	72	0.35
May 4	84	76	0.00
May 5	84	75	0.02
May 6	83	75	0.00
May 7	85	75	0.08
May 8	86	73	0.88
May 9	84	76	0.00
May 10	85	76	0.00
May 11	83	77	0.00
May 12	83	72	0.11
May 13	78	72	3.25
May 14	78	69	1.24
May 15	83	77	0.00
May 16	84	75	0.33
May 17	81	76	0.03
May 18	84	77	0.00
May 19	82	74	0.06
May 20	83	73	1.43
May 21	83	71	1.79
May 22	83	74	0.03
May 23	83	79	0.00
May 24	84	78	0.00
May 25	79	72	3.41
May 26	80	75	0.38
May 27	84	74	0.45
May 28	80	77	0.13
May 29	82	77	0.04
May 30	84	78	0.07
May 31	84	77	0.01

June 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	85	76	0.00
June 2	86	75	0.00
June 3	88	74	0.00
June 4	88	78	0.00
June 5	89	80	0.00
June 6	87	73	0.64
June 7	88	79	0.00
June 8	88	77	0.10
June 9	88	73	0.59
June 10	88	78	0.01
June 11	86	76	0.05
June 12	89	79	0.22
June 13	87	79	0.00
June 14	87	81	0.00
June 15	88	81	0.00
June 16	89	82	0.00
June 17	88	82	0.00
June 18	86	75	0.74
June 19	89	79	0.00
June 20	90	76	0.20
June 21	87	80	0.00
June 22	89	80	0.00
June 23	90	79	0.00
June 24	89	79	0.02
June 25	88	79	0.00
June 26	88	81	0.00
June 27	89	80	0.00
June 28	86	78	0.23
June 29	88	79	0.00
June 30	87	83	0.00

July 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	91	81	0.00
July 2	90	80	0.09
July 3	92	78	0.18
July 4	89	81	0.00
July 5	93	77	0.00
July 6	92	85	0.00
July 7	92	85	0.00
July 8	89	75	0.62
July 9	92	81	0.01
July 10	94	82	0.00
July 11	92	83	0.13
July 12	90	84	0.00
July 13	94	83	0.00
July 14	92	78	0.26
July 15	93	84	0.00
July 16	91	82	0.00
July 17	91	84	0.00
July 18	93	85	0.00
July 19	94	85	0.00
July 20	92	83	0.00
July 21	93	83	0.00
July 22	94	85	0.00
July 23	92	78	0.77
July 24	91	78	0.29
July 25	91	86	0.00
July 26	93	86	0.00
July 27	92	83	0.07
July 28	91	79	0.08
July 29	90	80	0.18
July 30	91	85	0.00
July 31	91	84	0.01

August 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	79	0.26
August 2	91	85	0.00
August 3	91	83	0.00
August 4	89	75	0.29
August 5	90	76	0.54
August 6	89	79	0.01
August 7	89	75	0.19
August 8	89	79	0.00
August 9	91	81	0.00
August 10	94	82	0.00
August 11	92	79	0.08
August 12	90	80	0.00
August 13	91	84	0.00
August 14	92	85	0.00
August 15	92	83	0.00
August 16	92	82	0.11
August 17	92	82	0.00
August 18	90	81	0.00
August 19	91	80	0.00
August 20	92	81	0.00
August 21	92	82	0.00
August 22	90	78	0.08
August 23	89	77	0.00
August 24	90	81	0.12
August 25	91	85	0.00
August 26	92	85	0.00
August 27	90	83	0.07
August 28	91	81	0.07
August 29	92	83	0.00
August 30	88	78	0.04
August 31	90	78	0.03

September 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	91	80	0.10
September 2	88	77	0.64
September 3	87	78	0.60
September 4	89	77	0.04
September 5	91	81	0.03
September 6	91	81	0.17
September 7	88	78	0.33
September 8	87	77	0.74
September 9	89	83	0.00
September 10	88	83	0.00
September 11	88	84	0.00
September 12	91	83	0.00
September 13	90	83	0.00
September 14	89	77	2.59
September 15	89	81	0.06
September 16	90	83	0.00
September 17	92	85	0.00
September 18	91	85	0.00
September 19	89	83	0.00
September 20	95	82	0.00
September 21	91	79	0.73
September 22	92	80	0.01
September 23	91	82	0.00
September 24	90	83	0.00
September 25	91	84	0.00
September 26	91	84	0.00
September 27	91	85	0.00
September 28	91	83	0.00
September 29	90	81	0.04
September 30	91	83	0.00

October 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	91	79	0.13
October 2	91	82	0.02
October 3	90	82	0.00
October 4	90	82	0.00
October 5	89	78	0.14
October 6	89	79	0.01
October 7	88	77	0.56
October 8	86	77	0.85
October 9	88	80	0.16
October 10	88	83	0.00
October 11	88	81	0.54
October 12	87	81	0.00
October 13	90	80	0.00
October 14	89	81	0.06
October 15	89	82	0.00
October 16	89	83	0.00
October 17	89	80	0.16
October 18	89	81	0.00
October 19	88	82	0.00
October 20	87	78	0.00
October 21	89	77	0.00
October 22	88	78	0.54
October 23	87	79	0.02
October 24	89	79	0.00
October 25	86	80	0.00
October 26	87	81	0.00
October 27	88	80	0.00
October 28	81	73	0.00
October 29	82	74	0.00
October 30	85	72	0.00
October 31	86	76	0.00

November 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	86	79	0.00
November 2	86	77	0.27
November 3	84	78	0.00
November 4	88	79	0.00
November 5	87	79	0.00
November 6	88	78	0.00
November 7	87	80	0.00
November 8	87	79	0.00
November 9	86	80	0.14
November 10	87	78	0.00
November 11	88	80	0.00
November 12	87	79	0.00
November 13	87	78	0.28
November 14	87	81	0.00
November 15	84	76	0.36
November 16	76	72	0.00
November 17	79	73	0.00
November 18	82	76	0.16
November 19	86	76	0.00
November 20	86	76	0.00
November 21	83	77	0.00
November 22	82	75	0.00
November 23	85	75	0.00
November 24	84	76	0.00
November 25	84	78	0.00
November 26	84	78	0.00
November 27	83	70	0.00
November 28	70	63	0.00
November 29	72	61	0.00
November 30	79	69	0.00

December 2018 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	84	79	0.00
December 2	85	81	0.00
December 3	85	80	0.00
December 4	86	79	0.00
December 5	80	66	0.00
December 6	77	64	0.00
December 7	80	70	0.00
December 8	84	72	0.00
December 9	83	77	0.02
December 10	78	69	0.00
December 11	71	62	0.00
December 12	74	59	0.00
December 13	81	73	0.00
December 14	83	78	0.00
December 15	80	72	0.19
December 16	79	71	0.00
December 17	75	67	0.00
December 18	73	66	0.00
December 19	81	67	0.00
December 20	84	70	1.69
December 21	76	70	0.00
December 22	75	66	0.00
December 23	72	62	0.00
December 24	75	67	0.00
December 25	78	68	0.00
December 26	78	71	0.00
December 27	81	76	0.00
December 28	83	77	0.00
December 29	83	76	0.00
December 30	83	77	0.00
December 31	82	76	0.00