Weather in Honolulu County

Calculated from weather data of Daniel K Inouye International Airport (PHNL) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	81.0	79.0	81.0	80.0	83.0	81.0
February	81.0	80.0	82.0	82.0	81.0	81.0
March	81.0	81.0	82.0	82.0	80.0	80.0
April	83.0		84.0	84.0	82.0	83.0
May	85.0		84.0	84.0	85.0	85.0
June	87.0		87.0	86.0	87.0	87.0
July	88.0		88.0	87.0	87.0	88.0
August	88.0		89.0	88.0	87.0	89.0
September	88.0		89.0	88.0	88.0	89.0
October	86.0		86.0	87.0	86.0	86.0
November	85.0		84.0	85.0	85.0	85.0
December	82.0		80.0	82.0	80.0	84.0
Average	84.0	80.0	85.0	85.0	84.0	85.0

70th highest temperature of United States

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	69.0	67	68	67	71	70
February	68.0	68	69	68	68	69
March	70.0	70	71	70	69	70
April	71.0		71	73	70	71
May	73.0		72	73	73	73
June	75.0		74	74	74	75
July	76.0		76	76	76	76
August	76.0		76	75	75	77
September	76.0		76	75	75	76
October	75.0		73	75	74	74
November	73.0		73	73	72	74
December	70.0		69	71	70	71
Average	72.0	68.0	72.0	72.0	72.0	73.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	122	106	121	132
77 °F or warmer	83	358	348	353	363
68 °F or warmer	91	365	354	365	366
32 °F or colder	0	0	0	0	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.6	5	8	11	8	11
February	8.7	4	19	2	8	11
March	6.4	3	7	5	15	9
April	4.2		8	5	1	1
May	3.1		3	7	2	2
June	3.6		2	3	3	3
July	2.8		2	5	4	4
August	1.9		1	1	2	1
September	3.0		3	4	3	0
October	3.3		1	3	2	3
November	4.3		11	5	2	4
December	6.9		13	7	7	5
Average	4.4	3.8	6.2	4.5	4.5	4.3

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	9.8	10	8	8	12	11
February	11.0	13	12	9	11	13
March	10.6	13	9	10	12	11
April	11.8		11	15	11	10
May	11.5		12	12	12	12
June	12.1		13	12	12	13
July	14.0		14	15	15	13
August	13.0		15	12	13	14
September	11.8		13	11	13	12
October	10.0		8	9	14	8
November	10.8		12	11	10	12
December	11.2		10	12	12	11
Average	11.5	12.1	11.5	11.4	12.1	11.6

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	SW	E	SE	NE	NE
February	NE	NE	NE	E	NE
March	NE	SE	E	NE	E
April		E	NE	NE	E
May		NE	E	NE	NE
June		NE	NE	NE	NE
July		NE	NE	NE	NE
August		NE	E	NE	NE
September		NE	NE	NE	NE
October		E	NE	NE	SE
November		E	NE	E	NE
December		NE	NE	E	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Honolulu County weather Q&A

What is the warmest month in Honolulu County?

The warmest month is August with an average temperature of 88 °F over the past years.

What is the coldest month in Honolulu County?

The coldest month is February with an average daytime temperature of 81 °F in the past few years.

Which month is the wettest in Honolulu County?

Chance of precipitation is the highest in February with a probability of around 8.7 %.

Which month is the driest in Honolulu County?

The least rainfall and snow can be expected in August. The probability is about 2.0 %.