Honolulu (United States of America) in general has a tropical climate. Temperatures during the day are in the range from 26.5 °C (79.7 °F) in February to 30.4 °C (86.7 °F) in September. Sea temperatures are in the following range: 23.9 °C (75.1 °F) in February to 26.7 °C (80.0 °F) in September. The highest night temperatures could be experienced in August with 22.7 °C (72.9 °F), the lowest in February with 18.2 °C (64.8 °F). The least rainy month in Honolulu is January with its 10 days of rain, the rainiest month is March, when it rains 11 days.

January weather

The descent of the day temperature can be observed, the value of this measure is 26.6 °C (79.9 °F) in Honolulu, and the descent of the sea temperature can be observed as well, with its value being 24.2 °C (75.6 °F). The minimum of the number of rainy days can be noticed, with its value being 10 days, on the contrary the rainfall amount reaches its maximum in this month. The night temperature descents similarly to the previous month, with its value of 18.3 °C (64.9 °F). The humidity is on its maximum in January.

February weather

The minimum of the day temperature is observable, its value is 26.5 °C (79.7 °F) in Honolulu, and the minimum of the sea temperature can be noticed as well, the value of this measure is 23.9 °C (75.1 °F). The beginning of the descent of the rainfall amount could be noticed, with its value being 81 mm (3.18 in), on the contrary the number of rainy days rise's start could be observed, the value of this measure is 10 days. The number of sun hours (without clouds) continues to rise. The minimum of the night temperature can be noticed, the value of this measure is 18.2 °C (64.8 °F).

March weather

The day temperature starts to rise in Honolulu, and the night temperature starts to rise too, with its value being 18.8 °C (65.8 °F). The beginning of the rise of the rainfall amount could be noticed, its value is 117 mm (4.61 in), while the number of rainy days is on its maximum, its value is 11 days. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 8 hours.

April weather

The rainfall amount starts to descent in April in Honolulu. The rise of the night temperature can be observed, with its value of 19.7 °C (67.5 °F).

May weather

The sea temperature rise's start could be observed in Honolulu, and the beginning of the rise of the day temperature could be noticed too in this month. The number of rainy days starts to descent, the value of this measure is 10 days, on the contrary the rainfall amount starts to rise, the value of this measure is 86 mm (3.38 in). The night temperature rises similarly to the previous month, the value of this measure is 20.6 °C (69.1 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value being 9 hours.

June weather

The day temperature continues to rise, the value of this measure is 29.3 °C (84.7 °F) in Honolulu, and the rise of the sea temperature can be observed as well, its value is 25.4 °C (77.8 °F). The rainfall amount is on its minimum, its value is 48 mm (1.89 in), while the number of rainy days starts to rise, the value of this measure is 10 days. The minimum of the humidity is observable, its value is 66 %. The number of sun hours (without clouds) continues to rise, with its value being 9 hours.

July weather

The rise of the night temperature can be observed, with its value of 22.5 °C (72.5 °F) in Honolulu. The rainfall amount rise's start could be observed, the value of this measure is 84 mm (3.29 in). The number of sun hours (without clouds) is on its maximum, with its value of 9 hours. The maximum of the wind speed can be noticed, with its value being 4.8.

August weather

The beginning of the rise of the sea temperature could be noticed, with its value of 26.3 °C (79.4 °F) in Honolulu, while the maximum of the night temperature can be noticed, its value is 22.7 °C (72.9 °F). The beginning of the descent of the number of rainy days could be noticed, its value is 10 days, while the rainfall amount rises similarly to the previous month, the value of this measure is 104 mm (4.11 in).

September weather

The day temperature reaches its maximum in Honolulu, and the maximum of the sea temperature can be noticed too, with its value being 26.7 °C (80.0 °F). The number of rainy days rise's start could be observed, the value of this measure is 10 days, on the contrary the beginning of the descent of the rainfall amount could be noticed, its value is 70 mm (2.77 in). The beginning of the descent of the number of sun hours (without clouds) could be noticed, the value of this measure is 9 hours.

October weather

The beginning of the rise of the rainfall amount could be noticed, the value of this measure is 110 mm (4.32 in) in Honolulu. The night temperature starts to descent, the value of this measure is 21.7 °C (71.1 °F), and the beginning of the descent of the day temperature could be noticed too, its value is 29.8 °C (85.6 °F). The descent of the number of sun hours (without clouds) can be observed. The wind speed is on its minimum, with its value being 4.1.

November weather

The sea temperature starts to descent in Honolulu, while the descent of the day temperature can be observed, the value of this measure is 28.3 °C (82.9 °F). The rainfall amount rises similarly to the previous month, the value of this measure is 125 mm (4.94 in). The number of sun hours (without clouds) continues to descent, the value of this measure is 7 hours. The night temperature continues to descent, with its value being 20.7 °C (69.3 °F).

December weather

The sea temperature descents similarly to the previous month, with its value being 24.9 °C (76.8 °F) in Honolulu, and the day temperature descents similarly to the previous month too, with its value being 27.1 °C (80.8 °F). The night temperature descents similarly to the previous month, with its value being 19.5 °C (67.1 °F). The number of sun hours (without clouds) reaches its minimum, the value of this measure is 6 hours. The rainfall amount descent's start could be observed, with its value of 108 mm (4.26 in). The minimum of the day length can be noticed in December.

FAQs

Is there a dry season in January in Honolulu?

No, January is not a dry month in Honolulu, expect rain approximately 10 days in a month.

What is the humidity in February in Honolulu?

In February in Honolulu, expect humidity around 72 %.

How windy is Honolulu in April?

An average wind scale that can be expected in April in Honolulu is 4.5.

What is the air temperature in May in Honolulu at night?

The average night temperature in May in Honolulu is 20.6 °C (69.1 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

What is the sea temperature in June in Honolulu?

In June in Honolulu expect the sea to be warm at 25.4 °C (77.8 °F). It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

Is it hot in July in Honolulu?

In July in Honolulu, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is there a wet season in Honolulu in August?

No, there is no wet season in Honolulu in August - you can expect 10 days of rain during the month.

Is September a good month to visit Honolulu?

In Honolulu in September, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 30.4 °C (86.7 °F). The temperature of the sea will be perfect at 26.7 °C (80.0 °F). At night, temperatures hover around a pleasant 22.3 °C (72.1 °F).

What temperature can I expect during the day in Honolulu in October?

The average daily temperature in October in Honolulu is 29.8 °C (85.6 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

How many rainy days can I expect in November in Honolulu?

There are 11 days, which are rainy in Honolulu in November, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 35 % days.

How many hours of sun to expect in December in Honolulu?

There is an average length of sunshine of 6 hours per day in December in Honolulu.