March weather forecast
Kailua, HI

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Weather in March

March's weather in Kailua remains steady, closely reflecting February in its climatic patterns. There is a slight increase in temperature, relieving the cooled island ambiance from last month. Highly noticeable is the increase in rainfall to 1.69" (43mm). Winds remain relatively steady, befitting the serene landscapes of the island city. The daylight hours also enhance to 12, accommodating longer days for exploration and activities.

Temperature

The arrival of March in Kailua, Hawaii, coincides with an average high-temperature of a still warm 74.7°F (23.7°C), indicating a minimal shift from February's 74.5°F (23.6°C). Kailua in March experiences a minor decline in temperature, with an average low of 71.1°F (21.7°C) at night.

Humidity

In March, the average relative humidity is 75%.

Rainfall

March is the month with the most rainfall in Kailua. Rain falls for 16.9 days and accumulates 1.69" (43mm) of precipitation.

Ocean temperature

March is the month with the coldest seawater, with an average ocean temperature of 75.7°F (24.3°C).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 75.7°F (24.3°C) waters. (Olympic swimmers participate in waters ranging from 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Kailua, the average length of the day in March is 12h and 3min.
On the first day of March, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:45 pm HST.

Sunshine

In Kailua, the average sunshine in March is 8.4h.

UV index

The months with the lowest UV index in Kailua are January through June, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In March, the maximum UV index of 6 suggests this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kailua in March?

The high-temperature, in March, in Kailua, is 74.7°F (23.7°C), while the low-temperature averages to 71.1°F (21.7°C).

What is the average humidity in March in Kailua?

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

What is the wettest month in Kailua?

March is the month with the most rainfall. Rain falls for 16.9 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in March in Kailua?

In Kailua, in March, during 16.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

What month is the ocean coldest in Kailua?

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

What is the water temperature in March in Kailua?

In March, the average ocean temperature 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 Kailua have in March?

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

What time are sunrise and sunset in March in Kailua?

In March, on the first day of the month, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, in Kailua, Hawaii, sunrise is at 6:23 am and sunset at 6:45 pm HST.

How many hours of sunshine does Kailua have in March?

In Kailua, Hawaii, the average sunshine duration in March is 8.4h.

When is the lowest UV index in Kailua?

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

How high is the UV index in March in Kailua?

In Kailua, Hawaii, the average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in March
Kailua, HI

Average temperature in March - Kailua, HI
  • Average high temperature in March: 74.7°F

The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).

  • Average low temperature in March: 71.1°F

The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).

Average pressure in March
Kailua, HI

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

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

Average wind speed in March
Kailua, HI

Average wind speed in March - Kailua, HI
  • Average wind speed in March: 13.1mph

The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).

Average humidity in March
Kailua, HI

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

The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in March
Kailua, HI

Average rainfall in March - Kailua, HI
  • Average rainfall in March: 1.69"

The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in March
Kailua, HI

Average rainfall days in March - Kailua, HI
  • Average rainfall days in March: 16.9 days

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).

Average sea temperature in March
Kailua, HI

Average sea temperature in March - Kailua, 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).

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

Average daylight in March / Average sunshine in March - Kailua, 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 54min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in March
Kailua, HI

Average sunshine days in March - Kailua, HI
  • Average sunshine days in March: 6.6 days

The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).

Average UV index in March
Kailua, HI

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

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).

Average cloud cover in March
Kailua, HI

Average cloud cover in March - Kailua, HI
  • Average cloud cover in March: 36

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in March
Kailua, HI

Average visibility in March - Kailua, 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).

Kailua, Hawaii, USA

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