Climate and monthly weather forecast
Wailuku, HI

Weather in January

January, like December, in Wailuku, Hawaii, is another warm winter month, with an average temperature varying between 71.6°F (22°C) and 74.7°F (23.7°C). In Wailuku, the average high-temperature in January is almost the same as in December - a still moderately hot 74.7°F (23.7°C). Weather in January »

Weather in February

February, the last month of the winter in Wailuku, is also a moderately hot month, with temperature in the range of an average low of 70.7°F (21.5°C) and an average high of 73.9°F (23.3°C). February is the coldest month, with an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 70.7°F (21.5°C). Weather in February »

Weather in March

March, the first month of the spring in Wailuku, is still a warm month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 70.7°F (21.5°C). In March, the average high-temperature is practically the same as in February - a still warm 74.3°F (23.5°C). Weather in March »

Weather in April

April, like March, in Wailuku, Hawaii, is another warm spring month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 72.1°F (22.3°C). In Wailuku, Hawaii, the average high-temperature in April is practically the same as in March - a still moderately hot 75.6°F (24.2°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Wailuku, Hawaii, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 77°F (25°C). In May, the average high-temperature is relatively the same as in April - a still warm 77°F (25°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Wailuku, Hawaii, with temperature in the range of an average low of 74.7°F (23.7°C) and an average high of 77.9°F (25.5°C). In June, the average high-temperature is essentially the same as in May - a still warm 77.9°F (25.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Wailuku, Hawaii, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 75.6°F (24.2°C). In July, the average high-temperature is practically the same as in June - a still moderately hot 78.8°F (26°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Wailuku, Hawaii, with an average temperature fluctuating between 79.5°F (26.4°C) and 76.3°F (24.6°C). In Wailuku, the average high-temperature in August is almost the same as in July - a still warm 79.5°F (26.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Wailuku, Hawaii, with an average temperature varying between 76.1°F (24.5°C) and 79.9°F (26.6°C). The warmest month is September, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 76.1°F (24.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Wailuku, Hawaii, with an average temperature ranging between min 76.5°F (24.7°C) and max 79.3°F (26.3°C). In October, the average high-temperature is almost the same as in September - a still warm 79.3°F (26.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Wailuku, Hawaii, with an average temperature varying between 74.8°F (23.8°C) and 77.7°F (25.4°C). In November, the average high-temperature is relatively the same as in October - a still warm 77.7°F (25.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a warm month in Wailuku, Hawaii, with an average temperature fluctuating between 75.7°F (24.3°C) and 72.9°F (22.7°C). In December, the average high-temperature is essentially the same as in November - a still moderately hot 75.7°F (24.3°C). Weather in December »
[Resources]

FAQ

What is the least humid month in Wailuku?

The months with the lowest humidity in Wailuku, Hawaii, are January and February, with an average relative humidity of 74%.

How much does it rain in Wailuku?

In Wailuku, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.

When is the lowest UV index in Wailuku?

The months with the lowest UV index in Wailuku, Hawaii, are January through June, November and December, with an average maximum UV index of 6.

What is the coldest month in Wailuku?

The coldest month in Wailuku is February, with an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 70.7°F (21.5°C).

What is the wettest month in Wailuku?

The months with the most rainfall are March and December, with an average 0.87" (22mm) of precipitation.

What is the driest month in Wailuku?

The month with the least rainfall in Wailuku, Hawaii, is June, when the rain falls for 6.6 days and typically collects 0.2" (5mm) of precipitation.

When are the longest days in Wailuku?

The month with the longest days in Wailuku is June, with an average of 13h and 23min of daylight.

What month has the most sunshine in Wailuku?

The month with the most sunshine in Wailuku is June, with an average of 11.5h of sunshine.

What is the most humid month in Wailuku?

The months with the highest humidity in Wailuku, Hawaii, are July and August, with an average relative humidity of 76%.

When is the highest UV index in Wailuku?

July through October, with an average maximum UV index of 7, are months with the highest UV index in Wailuku, Hawaii.

What is the warmest month in Wailuku?

With an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 76.1°F (24.5°C), September is the warmest month in Wailuku.

What is the month with the shortest days in Wailuku?

With an average of 10h and 53min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Wailuku?

Wailuku, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used throughout the entire year.

What is the month with the least sunshine in Wailuku?

The month with the least sunshine is December, with an average of 7h of sunshine.

Average temperature
Wailuku, HI

Average temperature - Wailuku, HI

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

[Resources]

Average pressure
Wailuku, HI

Average pressure - Wailuku, HI

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

[Resources]

Average wind speed
Wailuku, HI

Average wind speed - Wailuku, HI

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

[Resources]

Average humidity
Wailuku, HI

Average humidity - Wailuku, HI

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

[Resources]

Average rainfall
Wailuku, HI

Average rainfall - Wailuku, HI

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

[Resources]

Average rainfall days
Wailuku, HI

Average rainfall days - Wailuku, HI

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

[Resources]

Average daylight / Average sunshine
Wailuku, HI

Average daylight / Average sunshine - Wailuku, HI

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

[Resources]

Average sunshine days
Wailuku, HI

Average sunshine days - Wailuku, HI

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

[Resources]

Average UV index
Wailuku, HI

Average UV index - Wailuku, HI

The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

[Resources]

Average visibility
Wailuku, HI

Average visibility - Wailuku, HI

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location