March weather forecast
Kapaa, HI

Weather in March

The first month of the spring, March, is still a pleasant month in Kapaa, Hawaii, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 73.2°F (22.9°C).

Temperature

February and March, with an average high-temperature of 73.2°F (22.9°C), are the coldest months.

Humidity

The average relative humidity in March is 76%.

Rainfall

March is the month with the most rainfall in Kapaa, Hawaii. Rain falls for 18.6 days and accumulates 2.52" (64mm) of precipitation.

Ocean temperature

March is the month with the coldest seawater in Kapaa, with an average ocean temperature of 74.8°F (23.8°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.8°F (23.8°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In March, the average length of the day in Kapaa is 12h and 2min.
On the first day of March, sunrise is at 6:57 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:52 pm HST.

Sunshine

In March, the average sunshine in Kapaa is 7.5h.

UV index

The months with the lowest UV index in Kapaa are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In March, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Kapaa?

February and March, with an average high-temperature of 73.2°F (22.9°C), are the coldest months.

What is the temperature in March in Kapaa?

In Kapaa, in March, the average high-temperature is 73.2°F (22.9°C), and the average low-temperature is 68.9°F (20.5°C).

What is the average humidity in March in Kapaa?

In March, the average relative humidity in Kapaa is 76%.

What is the wettest month in Kapaa?

March is the month with the most rainfall in Kapaa. Rain falls for 18.6 days and accumulates 2.52" (64mm) of precipitation.

How many days does it rain in March in Kapaa?

In Kapaa, Hawaii, during March, the rain falls for 18.6 days and regularly aggregates up to 2.52" (64mm) of precipitation.

What month is the ocean coldest in Kapaa?

With an average ocean temperature of 74.8°F (23.8°C), March is the month with the coldest seawater in Kapaa, Hawaii.

What is the water temperature in March in Kapaa?

In Kapaa, in March, the average water temperature is 74.8°F (23.8°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.8°F (23.8°C) water may be enjoyable.

How many hours of daylight does Kapaa have in March?

In March, the average day length in Kapaa, Hawaii, is 12h and 2min.

When are sunrise and sunset in March in Kapaa?

On the first day of March, sunrise is at 6:57 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:52 pm HST.

How long on average sun shines in March in Kapaa?

In Kapaa, the average sunshine duration in March is 7.5h.

When is the lowest UV index in Kapaa?

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

How high is the UV index in March in Kapaa?

In Kapaa, Hawaii, the average daily maximum UV index in March is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in March
Kapaa, HI

Average temperature in March - Kapaa, HI
  • Average high temperature in March: 73.2°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in March: 68.9°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

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Average pressure in March
Kapaa, HI

Average pressure in March - Kapaa, HI
  • Average pressure in March: 30.06"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

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Average wind speed in March
Kapaa, HI

Average wind speed in March - Kapaa, HI
  • Average wind speed in March: 12mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

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Average humidity in March
Kapaa, HI

Average humidity in March - Kapaa, HI
  • Average humidity in March: 76%

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

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Average rainfall in March
Kapaa, HI

Average rainfall in March - Kapaa, HI
  • Average rainfall in March: 2.52"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

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Average rainfall days in March
Kapaa, HI

Average rainfall days in March - Kapaa, HI
  • Average rainfall days in March: 18.6 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

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Average sea temperature in March
Kapaa, HI

Average sea temperature in March - Kapaa, HI
  • Average sea temperature in March: 74.8°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 (74.8°F).

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

Average daylight in March / Average sunshine in March - Kapaa, HI
  • Average daylight in March: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 28min).
The month with the shortest days is December (Average daylight: 10h and 49min).

  • Average sunshine in March: 7h and 30min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

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Average sunshine days in March
Kapaa, HI

Average sunshine days in March - Kapaa, HI
  • Average sunshine days in March: 6.3 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

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Average UV index in March
Kapaa, HI

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

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

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Average cloud cover in March
Kapaa, HI

Average cloud cover in March - Kapaa, HI
  • Average cloud cover in March: 47

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

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Average visibility in March
Kapaa, HI

Average visibility in March - Kapaa, 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).

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