March weather forecast
Kapaa, HI

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Weather in March

March brings Kapaa, Hawaii to the zenith of the wet season. This month records the highest rainfall for the year, with precipitation totalling 2.52" (64mm). Such rainfall levels are a signal for richer greenery and blooming of flowers. Sea temperatures begin to pick up, hinting at the approaching warmer season. Despite the increase in rain, the weather remains comfortable and inviting.

Temperature

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

Humidity

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

Rainfall

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

Ocean temperature

The month with the coldest seawater in Kapaa, Hawaii, is March, with an average ocean temperature of 74.8°F (23.8°C).
Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 74.8°F (23.8°C) waters. Olympic standards, for reference, are set between 77°F (25°C) and 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 Kapaa, Hawaii, the average sunshine in March is 7.5h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Kapaa. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 6 in March leads to these recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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Frequently asked questions

What time of the year is the coldest in Kapaa?

The months of February and March see the lowest levels of Kapaa's temperatures, averaging a high of 73.2°F (22.9°C).

What is the average March temperature 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 is 76%.

What is the rainiest month in Kapaa?

The month with the most rainfall in Kapaa is March, when the rain falls for 18.6 days and typically aggregates up to 2.52" (64mm) of precipitation.

How much does it rain in Kapaa in March?

In Kapaa, Hawaii, in March, during 18.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

What is the month with the coldest ocean in Kapaa?

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

What is the water temperature in March in Kapaa?

In Kapaa, Hawaii, 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.

What is the average length of the day in March in Kapaa?

The average day length in March is 12h and 2min.

What time are sunrise and sunset in March in Kapaa?

In March, on the first day of the month, sunrise is at 6:57 am and sunset at 6:41 pm. On the last day of the month, in Kapaa, Hawaii, 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.

What is the month with 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 in Kapaa, Hawaii.

What is the UV index intensity in March in Kapaa?

The average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 0min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in March: 7h and 3min

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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Kapaa, Hawaii, USA

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