Key West Weather in 1978

1978 Key West Weather Extremes
Highest temperature	93 °F	August 19
Lowest temperature	48 °F	February 23
Highest daily low	83 °F	August 18
Lowest daily high	56 °F	January 30
Most daily precipitation	3.3 inches	May 4
Most daily snow	none	-
Total annual precipitation	36.4 inches	-
Total annual snow	none	-

Rank	Temperature	Date
1	93 °F	Aug 19
1	93 °F	Aug 17
1	93 °F	Jul 19
4	92 °F	Aug 27
4	92 °F	Aug 18
4	92 °F	Aug 16
4	92 °F	Aug 13
4	92 °F	Jul 18
4	92 °F	Jul 11
10	91 °F	Sep 21
10	91 °F	Sep 13
10	91 °F	Sep 10
10	91 °F	Aug 31
10	91 °F	Aug 29
10	91 °F	Aug 28
10	91 °F	Aug 21
10	91 °F	Aug 15
10	91 °F	Aug 14
10	91 °F	Aug 9
10	91 °F	Jul 21
10	91 °F	Jul 20
10	91 °F	Jul 15
10	91 °F	Jul 7
10	91 °F	Jul 1
10	91 °F	Jun 11

Rank	Temperature	Date
1	48 °F	February 23
1	48 °F	February 7
3	49 °F	January 30
4	50 °F	January 16
4	50 °F	January 11
6	51 °F	February 22
6	51 °F	January 31
6	51 °F	January 29
9	52 °F	February 12
9	52 °F	February 6

January 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	76	65	0.00
January 2	73	65	0.30
January 3	66	60	0.48
January 4	70	59	0.00
January 5	74	67	0.00
January 6	74	68	0.10
January 7	75	70	0.00
January 8	75	64	0.50
January 9	69	54	0.00
January 10	57	53	0.00
January 11	59	50	0.00
January 12	71	57	0.00
January 13	73	64	0.42
January 14	67	61	0.00
January 15	62	53	0.00
January 16	68	50	0.00
January 17	74	66	0.00
January 18	74	66	0.16
January 19	75	69	0.16
January 20	71	61	0.00
January 21	65	59	0.00
January 22	64	57	0.00
January 23	75	63	0.00
January 24	75	65	0.00
January 25	75	70	0.00
January 26	73	59	0.01
January 27	60	56	0.00
January 28	60	53	0.00
January 29	56	51	0.00
January 30	56	49	0.00
January 31	65	51	0.00

February 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	70	58	0.00
February 2	74	60	0.00
February 3	73	63	0.00
February 4	65	62	0.00
February 5	63	59	0.16
February 6	61	52	0.00
February 7	57	48	0.00
February 8	71	56	1.15
February 9	68	59	0.01
February 10	62	56	0.00
February 11	61	53	0.00
February 12	69	52	0.00
February 13	72	65	0.00
February 14	73	61	0.00
February 15	72	59	0.00
February 16	77	64	0.07
February 17	73	65	0.08
February 18	76	69	0.00
February 19	73	60	0.17
February 20	62	57	0.06
February 21	62	55	0.11
February 22	60	51	0.00
February 23	60	48	0.00
February 24	64	57	0.00
February 25	66	57	0.00
February 26	74	54	0.00
February 27	75	60	0.00
February 28	78	61	0.00

March 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	80	70	0.00
March 2	80	65	0.00
March 3	81	66	0.94
March 4	71	62	0.01
March 5	62	57	0.00
March 6	76	58	0.00
March 7	80	70	0.00
March 8	80	71	0.05
March 9	75	67	0.42
March 10	72	63	0.00
March 11	71	60	0.00
March 12	80	65	0.00
March 13	80	70	0.00
March 14	82	73	0.00
March 15	83	74	0.00
March 16	81	72	0.00
March 17	72	60	0.00
March 18	68	56	0.00
March 19	75	61	0.00
March 20	78	65	0.00
March 21	78	66	0.68
March 22	75	65	0.00
March 23	77	65	0.00
March 24	81	67	0.00
March 25	82	71	0.00
March 26	81	70	0.00
March 27	74	60	0.10
March 28	65	60	0.23
March 29	71	63	0.00
March 30	75	65	0.00
March 31	76	66	0.00

April 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	79	67	0.00
April 2	80	68	0.00
April 3	80	69	0.00
April 4	80	71	0.00
April 5	80	72	0.00
April 6	80	72	0.00
April 7	82	71	0.00
April 8	82	70	0.00
April 9	82	70	0.00
April 10	83	73	0.00
April 11	83	73	0.00
April 12	84	74	0.00
April 13	83	76	0.00
April 14	85	77	0.00
April 15	85	77	0.00
April 16	85	75	0.00
April 17	84	75	0.00
April 18	85	76	0.00
April 19	85	78	0.00
April 20	86	76	0.02
April 21	82	74	0.00
April 22	86	74	0.00
April 23	82	66	0.64
April 24	83	73	1.29
April 25	82	74	0.00
April 26	81	71	0.02
April 27	77	66	0.00
April 28	80	66	0.00
April 29	81	72	0.00
April 30	84	73	0.00

May 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	76	0.00
May 2	86	77	0.00
May 3	87	78	0.00
May 4	88	72	3.25
May 5	86	73	1.84
May 6	89	79	0.00
May 7	88	79	0.00
May 8	87	79	0.00
May 9	87	80	0.00
May 10	86	79	0.00
May 11	86	76	0.17
May 12	87	77	0.03
May 13	85	77	0.00
May 14	87	77	0.00
May 15	85	74	0.00
May 16	86	74	0.00
May 17	87	79	0.02
May 18	86	75	0.00
May 19	86	76	0.00
May 20	87	75	0.77
May 21	87	76	0.41
May 22	87	77	0.30
May 23	88	79	0.00
May 24	89	80	0.05
May 25	89	81	0.00
May 26	89	78	0.10
May 27	83	74	0.04
May 28	81	72	2.06
May 29	86	75	0.41
May 30	88	77	0.00
May 31	89	80	0.00

June 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	88	81	0.00
June 2	89	81	0.00
June 3	90	81	0.00
June 4	89	80	0.00
June 5	89	81	0.00
June 6	90	76	0.12
June 7	90	81	0.00
June 8	89	81	0.00
June 9	88	81	0.03
June 10	90	81	0.00
June 11	91	82	0.00
June 12	90	78	0.15
June 13	89	78	0.11
June 14	90	79	0.00
June 15	90	82	0.00
June 16	88	77	0.16
June 17	90	78	0.00
June 18	85	76	1.39
June 19	86	76	0.61
June 20	87	78	0.05
June 21	86	75	0.27
June 22	89	78	0.04
June 23	89	80	0.00
June 24	88	79	0.56
June 25	88	79	0.57
June 26	88	78	0.00
June 27	90	78	0.58
June 28	90	79	0.41
June 29	90	81	0.00
June 30	89	80	0.01

July 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	91	78	0.32
July 2	90	82	0.00
July 3	88	81	0.00
July 4	90	81	0.00
July 5	90	82	0.00
July 6	90	82	0.00
July 7	91	82	0.00
July 8	89	82	0.02
July 9	89	81	0.00
July 10	90	81	0.00
July 11	92	79	0.06
July 12	90	80	0.01
July 13	90	76	0.04
July 14	90	79	0.00
July 15	91	81	0.00
July 16	90	81	0.00
July 17	90	81	0.00
July 18	92	82	0.00
July 19	93	82	0.00
July 20	91	80	0.00
July 21	91	81	0.02
July 22	90	77	0.23
July 23	89	80	0.02
July 24	90	79	0.14
July 25	89	77	0.54
July 26	90	81	0.00
July 27	89	81	0.00
July 28	90	80	0.00
July 29	90	81	0.00
July 30	90	81	0.00
July 31	89	82	0.00

August 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	76	0.66
August 2	89	82	0.00
August 3	90	80	0.01
August 4	89	78	0.31
August 5	89	80	0.00
August 6	87	77	0.22
August 7	88	79	0.35
August 8	90	82	0.00
August 9	91	82	0.04
August 10	90	80	0.01
August 11	90	81	0.00
August 12	90	80	0.00
August 13	92	81	0.00
August 14	91	82	0.00
August 15	91	80	0.02
August 16	92	83	0.00
August 17	93	82	0.00
August 18	92	83	0.00
August 19	93	81	0.00
August 20	90	81	0.20
August 21	91	80	0.00
August 22	90	79	0.47
August 23	89	78	0.13
August 24	89	76	0.26
August 25	89	80	0.00
August 26	90	81	0.00
August 27	92	82	0.00
August 28	91	81	0.00
August 29	91	82	0.00
August 30	90	80	0.01
August 31	91	81	0.00

September 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	80	0.24
September 2	89	79	0.00
September 3	90	81	0.00
September 4	88	76	1.08
September 5	87	77	0.00
September 6	88	79	0.00
September 7	89	80	0.00
September 8	89	80	0.00
September 9	89	82	0.00
September 10	91	82	0.00
September 11	90	82	0.00
September 12	88	82	0.00
September 13	91	81	0.00
September 14	89	74	0.89
September 15	88	77	0.07
September 16	88	78	0.00
September 17	90	78	0.16
September 18	90	81	0.00
September 19	89	82	0.00
September 20	90	79	0.02
September 21	91	81	0.00
September 22	90	78	0.00
September 23	89	74	0.57
September 24	89	78	0.00
September 25	88	77	0.00
September 26	88	79	0.00
September 27	86	79	0.00
September 28	90	80	0.00
September 29	90	80	0.00
September 30	89	81	0.00

October 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	89	81	0.00
October 2	89	81	0.00
October 3	89	81	0.00
October 4	90	80	0.01
October 5	88	80	0.00
October 6	89	77	0.36
October 7	88	81	0.00
October 8	85	78	0.02
October 9	82	75	0.27
October 10	85	76	0.05
October 11	86	75	0.25
October 12	86	74	0.08
October 13	86	79	0.00
October 14	81	75	0.84
October 15	81	74	0.60
October 16	81	75	0.00
October 17	81	75	0.00
October 18	82	74	0.00
October 19	81	73	0.00
October 20	86	73	0.00
October 21	83	73	0.00
October 22	84	74	0.00
October 23	81	74	0.34
October 24	82	75	0.00
October 25	83	75	0.23
October 26	82	75	0.63
October 27	83	75	0.48
October 28	87	76	0.00
October 29	84	77	0.00
October 30	85	77	0.00
October 31	83	76	0.03

November 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	82	75	0.00
November 2	81	74	0.00
November 3	77	69	0.00
November 4	78	69	0.00
November 5	81	67	0.00
November 6	81	72	0.00
November 7	77	73	1.20
November 8	80	73	0.01
November 9	80	74	0.00
November 10	83	73	0.52
November 11	84	75	0.03
November 12	79	74	0.00
November 13	85	74	0.00
November 14	85	75	0.00
November 15	83	76	0.00
November 16	82	76	0.07
November 17	82	76	0.00
November 18	82	74	0.00
November 19	82	75	0.00
November 20	85	76	0.00
November 21	83	76	0.00
November 22	82	74	0.00
November 23	83	74	0.00
November 24	81	74	0.00
November 25	78	72	0.00
November 26	80	70	0.00
November 27	82	75	0.00
November 28	85	78	0.00
November 29	86	78	0.00
November 30	84	77	0.00

December 1978 Key West Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	84	75	0.00
December 2	86	75	0.00
December 3	86	78	0.00
December 4	83	78	0.04
December 5	84	78	0.00
December 6	86	77	0.00
December 7	84	78	0.04
December 8	85	78	0.01
December 9	82	75	0.00
December 10	76	69	0.00
December 11	77	70	0.00
December 12	74	66	0.00
December 13	75	65	0.00
December 14	75	66	0.00
December 15	80	68	0.00
December 16	79	68	0.00
December 17	78	68	0.00
December 18	77	67	0.00
December 19	79	67	0.00
December 20	80	67	0.00
December 21	81	73	0.07
December 22	81	73	0.00
December 23	83	73	0.00
December 24	82	75	0.00
December 25	81	74	0.00
December 26	82	73	0.01
December 27	77	68	0.09
December 28	81	66	0.09
December 29	80	70	0.00
December 30	79	73	0.07
December 31	79	72	0.01