Honolulu Weather in 2021

Historical record of Honolulu, Hawaii weather for the year 2021 based on NOAA data.

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2021 Honolulu Weather Extremes
Highest temperature	91 °F	August 11
Lowest temperature	56 °F	December 4
Highest daily low	78 °F	October 12
Lowest daily high	69 °F	December 5
Most daily precipitation	7.9 inches	December 6
Total annual precipitation	21.3 inches	-

What was the hottest temperature in Honolulu in 2021?

The highest temperature recorded in Honolulu, Hawaii in 2021 was 91 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Honolulu in 2021

Rank	Temperature	Date
1	91 °F	Aug 11
1	91 °F	Aug 10
3	90 °F	Sep 26
3	90 °F	Sep 20
3	90 °F	Sep 6
3	90 °F	Sep 2
3	90 °F	Sep 1
3	90 °F	Aug 28
3	90 °F	Aug 18
3	90 °F	Aug 12
3	90 °F	Aug 6
3	90 °F	Jul 29
3	90 °F	Jul 25
3	90 °F	Jun 27
3	90 °F	Jun 1

What was the coldest temperature in Honolulu in 2021?

The lowest temperature recorded in Honolulu, Hawaii in 2021 was 56 °F which happened on Dec 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Honolulu in 2021

Rank	Temperature	Date
1	56 °F	December 4
2	59 °F	December 6
3	60 °F	February 10
3	60 °F	February 7
3	60 °F	February 5
6	61 °F	December 5
6	61 °F	February 6
6	61 °F	February 4
6	61 °F	February 2
10	62 °F	February 11
10	62 °F	February 8

January 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	83	71	0.00
January 2	82	74	0.00
January 3	83	72	0.00
January 4	85	71	0.01
January 5	83	69	0.01
January 6	84	72	0.00
January 7	85	72	0.00
January 8	82	65	0.00
January 9	82	67	0.00
January 10	84	68	0.00
January 11	85	69	0.00
January 12	83	68	0.00
January 13	83	70	0.00
January 14	84	70	0.00
January 15	86	69	0.00
January 16	83	70	0.02
January 17	81	68	0.37
January 18	74	70	0.00
January 19	83	70	0.01
January 20	83	71	0.00
January 21	84	71	0.00
January 22	84	74	0.00
January 23	83	72	0.00
January 24	84	73	0.00
January 25	81	69	2.81
January 26	81	72	0.00
January 27	83	72	0.00
January 28	82	73	0.00
January 29	81	71	0.00
January 30	82	71	0.00
January 31	83	70	0.00

February 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	79	66	0.09
February 2	86	61	0.09
February 3	75	67	0.55
February 4	75	61	0.00
February 5	77	60	0.00
February 6	80	61	0.00
February 7	79	60	0.00
February 8	81	62	0.06
February 9	78	65	0.00
February 10	80	60	0.00
February 11	82	62	0.00
February 12	81	67	0.01
February 13	83	69	0.00
February 14	82	71	0.00
February 15	82	70	0.04
February 16	82	69	0.00
February 17	82	70	0.00
February 18	83	70	0.09
February 19	81	71	0.30
February 20	83	72	0.00
February 21	84	71	0.00
February 22	85	71	0.00
February 23	82	71	0.00
February 24	84	73	0.00
February 25	84	72	0.00
February 26	84	73	0.00
February 27	80	70	0.30
February 28	82	71	0.01

March 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	81	71	0.01
March 2	82	69	0.02
March 3	79	67	0.12
March 4	79	64	0.00
March 5	77	65	0.33
March 6	79	67	0.04
March 7	84	70	0.00
March 8	80	70	0.72
March 9	79	68	0.51
March 10	78	64	1.03
March 11	77	63	0.37
March 12	79	67	0.48
March 13	77	66	0.03
March 14	77	66	0.00
March 15	80	66	0.02
March 16	80	68	0.01
March 17	79	69	0.00
March 18	75	67	0.00
March 19	81	69	0.00
March 20	81	69	0.03
March 21	80	67	0.01
March 22	83	70	0.00
March 23	80	67	0.20
March 24	81	73	0.01
March 25	81	70	0.27
March 26	85	69	0.00
March 27	85	71	0.00
March 28	81	72	0.00
March 29	84	72	0.00
March 30	84	70	0.00
March 31	84	70	0.00

April 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	84	72	0.00
April 2	82	71	0.00
April 3	82	70	0.00
April 4	80	69	0.00
April 5	82	71	0.00
April 6	81	70	0.00
April 7	80	68	0.00
April 8	81	69	0.00
April 9	81	66	0.00
April 10	80	67	0.00
April 11	79	67	0.32
April 12	83	64	0.00
April 13	83	67	0.00
April 14	84	66	0.00
April 15	84	68	0.00
April 16	80	66	0.00
April 17	83	68	0.00
April 18	85	68	0.00
April 19	85	69	0.00
April 20	84	71	0.00
April 21	88	70	0.00
April 22	86	73	0.00
April 23	84	73	0.00
April 24	85	73	0.00
April 25	85	71	0.00
April 26	83	73	0.00
April 27	84	71	0.00
April 28	82	70	0.12
April 29	86	71	0.00
April 30	85	73	0.00

May 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	73	0.00
May 2	86	73	0.00
May 3	86	74	0.00
May 4	87	71	0.00
May 5	85	75	0.00
May 6	82	73	0.00
May 7	86	73	0.00
May 8	86	74	0.00
May 9	85	72	0.00
May 10	85	74	0.00
May 11	86	73	0.00
May 12	86	72	0.00
May 13	86	73	0.01
May 14	84	71	0.00
May 15	84	71	0.02
May 16	84	73	0.00
May 17	86	73	0.00
May 18	86	74	0.00
May 19	85	73	0.00
May 20	86	73	0.00
May 21	85	72	0.00
May 22	88	73	0.00
May 23	86	71	0.00
May 24	85	72	0.00
May 25	84	73	0.00
May 26	89	73	0.00
May 27	89	73	0.00
May 28	87	74	0.00
May 29	84	71	0.00
May 30	84	72	0.00
May 31	86	72	0.00

June 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	90	74	0.00
June 2	88	76	0.00
June 3	88	75	0.00
June 4	88	75	0.00
June 5	87	75	0.00
June 6	87	73	0.01
June 7	88	74	0.00
June 8	87	75	0.00
June 9	87	76	0.00
June 10	87	75	0.00
June 11	85	73	0.00
June 12	87	73	0.00
June 13	86	74	0.00
June 14	87	75	0.00
June 15	87	74	0.00
June 16	88	74	0.00
June 17	87	74	0.04
June 18	88	74	0.00
June 19	88	73	0.00
June 20	88	72	0.00
June 21	88	73	0.00
June 22	88	72	0.00
June 23	88	73	0.01
June 24	89	73	0.00
June 25	87	71	0.00
June 26	87	72	0.00
June 27	90	74	0.00
June 28	89	73	0.00
June 29	89	72	0.00
June 30	89	75	0.00

July 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	76	0.00
July 2	87	77	0.00
July 3	83	74	0.00
July 4	85	74	0.02
July 5	88	74	0.00
July 6	88	74	0.01
July 7	88	72	0.02
July 8	88	73	0.00
July 9	89	75	0.00
July 10	89	75	0.00
July 11	87	76	0.00
July 12	88	73	0.01
July 13	89	76	0.00
July 14	88	76	0.00
July 15	88	75	0.02
July 16	88	78	0.00
July 17	89	77	0.00
July 18	87	77	0.00
July 19	88	75	0.00
July 20	87	75	0.00
July 21	86	76	0.00
July 22	88	77	0.00
July 23	88	76	0.00
July 24	89	78	0.00
July 25	90	78	0.00
July 26	88	78	0.00
July 27	88	76	0.00
July 28	86	78	0.00
July 29	90	77	0.00
July 30	89	77	0.00
July 31	89	77	0.00

August 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	78	0.00
August 2	88	74	0.01
August 3	88	75	0.00
August 4	88	77	0.00
August 5	87	74	0.00
August 6	90	77	0.00
August 7	88	77	0.00
August 8	89	75	0.00
August 9	89	77	0.00
August 10	91	74	0.00
August 11	91	76	0.00
August 12	90	75	0.00
August 13	89	76	0.00
August 14	88	75	0.01
August 15	89	76	0.00
August 16	87	73	0.13
August 17	85	71	0.06
August 18	90	70	0.00
August 19	87	74	0.06
August 20	88	76	0.00
August 21	87	76	0.00
August 22	89	75	0.01
August 23	85	74	0.01
August 24	88	75	0.00
August 25	88	75	0.00
August 26	88	74	0.00
August 27	89	74	0.00
August 28	90	73	0.00
August 29	89	74	0.00
August 30	87	73	0.00
August 31	85	71	0.00

September 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	72	0.00
September 2	90	78	0.00
September 3	88	77	0.00
September 4	88	75	0.00
September 5	89	73	0.00
September 6	90	73	0.00
September 7	89	73	0.00
September 8	89	75	0.00
September 9	88	76	0.00
September 10	88	73	0.00
September 11	89	74	0.00
September 12	88	74	0.02
September 13	88	75	0.00
September 14	88	75	0.00
September 15	89	72	0.03
September 16	89	75	0.00
September 17	87	77	0.00
September 18	88	75	0.00
September 19	88	74	0.02
September 20	90	75	0.00
September 21	88	76	0.00
September 22	88	77	0.00
September 23	88	75	0.00
September 24	87	74	0.04
September 25	88	73	0.01
September 26	90	76	0.00
September 27	89	76	0.00
September 28	88	75	0.00
September 29	88	75	0.00
September 30	87	74	0.00

October 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	89	76	0.00
October 2	88	76	0.00
October 3	88	74	0.00
October 4	88	75	0.00
October 5	89	76	0.00
October 6	87	77	0.00
October 7	87	75	0.00
October 8	87	76	0.00
October 9	85	75	0.00
October 10	87	73	0.01
October 11	88	76	0.01
October 12	88	78	0.00
October 13	86	77	0.00
October 14	87	75	0.00
October 15	87	72	0.00
October 16	85	73	0.00
October 17	86	75	0.00
October 18	87	75	0.00
October 19	86	72	0.00
October 20	87	69	0.00
October 21	87	73	0.00
October 22	87	73	0.00
October 23	87	75	0.00
October 24	87	74	0.02
October 25	87	74	0.00
October 26	87	73	0.00
October 27	87	71	0.00
October 28	86	73	0.01
October 29	87	71	0.00
October 30	83	69	0.00
October 31	84	69	0.00

November 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	85	71	0.00
November 2	84	72	0.00
November 3	88	74	0.00
November 4	87	74	0.00
November 5	87	74	0.00
November 6	87	77	0.00
November 7	86	74	0.00
November 8	87	74	0.00
November 9	84	72	0.00
November 10	84	68	0.00
November 11	85	69	0.00
November 12	84	73	0.00
November 13	84	71	0.00
November 14	80	71	0.01
November 15	82	69	0.00
November 16	84	73	0.03
November 17	85	71	0.00
November 18	88	71	0.00
November 19	88	72	0.00
November 20	85	71	0.00
November 21	87	71	0.00
November 22	85	73	0.01
November 23	87	72	0.00
November 24	87	68	0.00
November 25	87	69	0.00
November 26	85	70	0.00
November 27	82	68	0.01
November 28	81	68	0.00
November 29	81	72	0.01
November 30	85	71	0.02

December 2021 Honolulu Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	86	71	0.00
December 2	82	68	0.00
December 3	77	63	0.16
December 4	70	56	0.11
December 5	69	61	0.44
December 6	76	59	7.92
December 7	77	n/a	0.92
December 8	83	66	0.00
December 9	83	70	0.00
December 10	83	73	0.00
December 11	83	73	0.00
December 12	83	72	0.00
December 13	83	72	0.02
December 14	81	71	0.10
December 15	83	68	0.00
December 16	83	68	0.00
December 17	82	70	0.01
December 18	83	68	0.00
December 19	81	71	0.04
December 20	82	71	0.00
December 21	79	71	0.01
December 22	80	70	0.00
December 23	81	70	0.00
December 24	80	69	0.02
December 25	80	67	0.00
December 26	79	67	0.00
December 27	82	70	0.00
December 28	81	70	0.00
December 29	82	72	0.05
December 30	78	70	0.56
December 31	78	70	0.84

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Weather Station Details

Years	Station	Coordinates
1943–2024	Honolulu International Airport	location
1905–1929	Insane Asylum	location