March weather forecast
Haleiwa, HI

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Weather in March

The first month of the spring, March, is also a moderately hot month in Haleiwa, Hawaii, with an average temperature fluctuating between 69.3°F (20.7°C) and 75.2°F (24°C).

Temperature

Haleiwa measures an average high-temperature of a still moderately hot 75.2°F (24°C) in March, nearly consistent with the preceding month. Haleiwa maintains a minor drop in temperature during March nights, with averages of 69.3°F (20.7°C).

Humidity

The average relative humidity in March is 75%.

Rainfall

In Haleiwa, during March, the rain falls for 17.7 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 190.2 rainfall days, and 11.65" (296mm) of precipitation is accumulated.

Ocean temperature

The month with the coldest seawater in Haleiwa is March, with an average ocean temperature of 75.2°F (24°C).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 75.2°F (24°C) water can be delightful. (Olympic swimming is usually in 77°F (25°C) to 82.4°F (28°C) water.)

Daylight

The average length of the day in March is 12h and 3min.
On the first day of March, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:47 pm HST.

Sunshine

The average sunshine in March in Haleiwa is 7.6h.

UV index

January through June, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Haleiwa. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In March, a daily UV index of 6 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Warning! The Sun's UV rays intensify with reflections from sand and water.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures in Haleiwa?

Haleiwa in March has an average high-temperature of 75.2°F (24°C) and an average low-temperature of 69.3°F (20.7°C).

What is the average humidity in March in Haleiwa?

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

How much does it rain in Haleiwa in March?

In Haleiwa, in March, during 17.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

What month is the ocean coldest in Haleiwa?

With an average ocean temperature of 75.2°F (24°C), March is the month with the coldest seawater in Haleiwa, Hawaii.

What is the ocean temperature in March in Haleiwa?

In March, the average ocean temperature is 75.2°F (24°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.2°F (24°C) water may be enjoyable.

How many hours of daylight does Haleiwa have in March?

In Haleiwa, Hawaii, the average day length in March is 12h and 3min.

When is the sunrise / sunset in March in Haleiwa?

In March, on the first day of the month, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, in Haleiwa, sunrise is at 6:25 am and sunset at 6:47 pm HST.

How long on average sun shines in March in Haleiwa?

The average sunshine duration in March in Haleiwa, Hawaii, is 7.6h.

When is the lowest UV index in Haleiwa?

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

What is the UV index reading in March in Haleiwa?

In March, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Haleiwa, HI

Average temperature in March - Haleiwa, HI
  • Average high temperature in March: 75.2°F

The warmest month (with the highest average high temperature) is September (81.7°F).
The month with the lowest average high temperature is February (75°F).

  • Average low temperature in March: 69.3°F

The months with the highest average low temperature are August and September (75.7°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

Average pressure in March
Haleiwa, HI

Average pressure in March - Haleiwa, HI
  • Average pressure in March: 30.05"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).

Average wind speed in March
Haleiwa, HI

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

The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is January (9mph).

Average humidity in March
Haleiwa, HI

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

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are May and September (74%).

Average rainfall in March
Haleiwa, HI

Average rainfall in March - Haleiwa, HI
  • Average rainfall in March: 1.22"

The wettest months (with the highest rainfall) are February and October (1.34").
The driest month (with the least rainfall) is July (0.63").

Average rainfall days in March
Haleiwa, HI

Average rainfall days in March - Haleiwa, HI
  • Average rainfall days in March: 17.7 days

The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is January (12.5 days).

Average sea temperature in March
Haleiwa, HI

Average sea temperature in March - Haleiwa, HI
  • Average sea temperature in March: 75.2°F

The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (75.2°F).

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

Average daylight in March / Average sunshine in March - Haleiwa, HI
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in March: 7h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in March
Haleiwa, HI

Average sunshine days in March - Haleiwa, HI
  • Average sunshine days in March: 7.9 days

The month with the most sunshine days is January (12.9 days).
The month with the least sunshine days is September (6.5 days).

Average UV index in March
Haleiwa, HI

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

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

Average cloud cover in March
Haleiwa, HI

Average cloud cover in March - Haleiwa, HI
  • Average cloud cover in March: 44

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are January and September (Cloud cover 37).

Average visibility in March
Haleiwa, HI

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

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).

Haleiwa, Hawaii, USA

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