March weather forecast and climate
Honolulu, HI

Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance

Weather in March

The first month of the spring, March, is also a moderately hot month in Honolulu, Hawaii, with average temperature varying between 69.4°F (20.8°C) and 75°F (23.9°C).

Temperature

The coldest months are February and March, with an average high-temperature of 75°F (23.9°C).

Humidity

In March, the average relative humidity is 75%.

Rainfall

The wettest months in Honolulu, Hawaii, are March and October, with an average 1.81" (46mm) of rainfall.

Ocean temperature

With an average ocean temperature of 75.7°F (24.3°C), March is the month with the coldest seawater in Honolulu, Hawaii.
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.7°F (24.3°C).

Daylight

The average length of the day in March is 12.1h.

Sunshine

In Honolulu, the average sunshine is 8h.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Honolulu, Hawaii. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the coldest month in Honolulu?

February and March, with an average high-temperature of 75°F (23.9°C), are the coldest months in Honolulu, Hawaii.

What is the temperature in March in Honolulu?

In March, in Honolulu, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 69.4°F (20.8°C).

What is the average humidity in March in Honolulu?

In March, the average relative humidity in Honolulu is 75%.

How much does it rain in Honolulu in March?

In Honolulu, in March, it is raining for 18 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the wettest month in Honolulu?

Months with the most rainfall in Honolulu are March and October, with an average 1.81" (46mm) of precipitation.

What is the month with the coldest ocean in Honolulu?

With an average ocean temperature of 75.7°F (24.3°C), March is the month with the coldest seawater in Honolulu, Hawaii.

What is the water temperature in March in Honolulu?

In Honolulu, Hawaii, the average seawater temperature in March is 75.7°F (24.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.7°F (24.3°C).

How many hours of daylight does Honolulu have in March?

The average length of the day in March in Honolulu is 12.1h.

How many hours of sunshine does Honolulu have in March?

The average sunshine in March in Honolulu, Hawaii, is 8h.

What is the month with the lowest UV index in Honolulu?

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Honolulu, Hawaii.

What is the UV index reading in March in Honolulu?

In March, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in March
Honolulu, HI

Average temperature in March - Honolulu, HI
  • Average high temperature in March: 75°F

The warmest month (with the highest average high temperature) is September (81.5°F).
Months with the lowest average high temperature are February and March (75°F).

  • Average low temperature in March: 69.4°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).

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Average pressure in March
Honolulu, HI

Average pressure in March - Honolulu, HI
  • Average pressure in March: 30.05"

The month with the highest atmospheric pressure is April (30.06").
Months with the lowest atmospheric pressure are September and October (29.97").

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Average wind speed in March
Honolulu, HI

Average wind speed in March - Honolulu, HI
  • Average wind speed in March: 11.2mph

The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).

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Average humidity in March
Honolulu, HI

Average humidity in March - Honolulu, HI
  • Average humidity in March: 75%

Months with the highest relative humidity are February and December (76%).
Months with the lowest relative humidity are April, May, September and November (74%).

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Average rainfall in March
Honolulu, HI

Average rainfall in March - Honolulu, HI
  • Average rainfall in March: 1.81"

The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").

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Average rainfall days in March
Honolulu, HI

Average rainfall days in March - Honolulu, HI
  • Average rainfall days in March: 18 days

Months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).

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Average sea temperature in March
Honolulu, HI

Average sea temperature in March - Honolulu, HI
  • Average sea temperature in March: 75.7°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

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Average daylight in March /
Average sunshine in March
Honolulu, HI

Average daylight in March / Average sunshine in March - Honolulu, HI
  • Average daylight in March: 12.1h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in March: 8h

The month with the most sunshine is June (Average sunshine: 10.8h).
Months with the least sunshine are November and December (Average sunshine: 6.5).

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Average sunshine days in March
Honolulu, HI

Average sunshine days in March - Honolulu, HI
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).

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Average UV index in March
Honolulu, HI

Average UV index in March - Honolulu, HI
  • Average UV index in March: 6

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

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Average cloud cover in March
Honolulu, HI

Average cloud cover in March - Honolulu, HI
  • Average cloud cover in March: 40

The month with the most cloud cover is March (Cloud cover 40).
Months with the least cloud cover are January and September (Cloud cover 33).

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Average visibility in March
Honolulu, HI

Average visibility in March - Honolulu, HI
  • Average visibility in March: 6mi

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

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