March weather forecast
Poipu, HI

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Weather in March

A transition into a wetter climate becomes evident in March as Poipu navigates through the summer. From February to March, the city sees its highest jump in rainfall, increasing from 1.81" (46mm) to a notable 2.52" (64mm). Well-distributed cloud cover ensures a balanced sunlight exposure, thus guarding against any harsh UV impact. Heating during the day and cooling at night adheres flawlessly to the summer routine. Despite these changes, wind speed and humidity stay well within comfort zones, fostering an agreeable outdoor climate.

Temperature

February and March mark Poipu's lowest temperatures, averaging a high-temperature of 73.2°F (22.9°C).

Humidity

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

Rainfall

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

Daylight

The average length of the day in March in Poipu is 12h and 2min.
On the first day of March, sunrise is at 6:57 am and sunset at 6:42 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 Poipu, Hawaii, 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 Poipu. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In March, a regular UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the coldest month in Poipu?

Poipu's coldest period falls in February and March, when the average high-temperatures ascend to 73.2°F (22.9°C).

What is the usual temperature for Poipu in March?

In Poipu, 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 Poipu?

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

What is the wettest month in Poipu?

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

How many days does it rain in March in Poipu?

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

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

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

When are sunrise and sunset in March in Poipu?

In March, on the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:52 pm HST.

How many hours of sunshine does Poipu have in March?

The average sunshine duration in March in Poipu is 7.5h.

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

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

What is the UV index reading in March in Poipu?

In March, the average daily maximum UV index in Poipu is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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
Poipu, HI

Average temperature in March - Poipu, 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
Poipu, HI

Average pressure in March - Poipu, 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
Poipu, HI

Average wind speed in March - Poipu, 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
Poipu, HI

Average humidity in March - Poipu, 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
Poipu, HI

Average rainfall in March - Poipu, 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
Poipu, HI

Average rainfall days in March - Poipu, 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 daylight in March /
Average sunshine in March
Poipu, HI

Average daylight in March / Average sunshine in March - Poipu, 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 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
Poipu, HI

Average sunshine days in March - Poipu, 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
Poipu, HI

Average UV index in March - Poipu, 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
Poipu, HI

Average cloud cover in March - Poipu, 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
Poipu, HI

Average visibility in March - Poipu, 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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Poipu, Hawaii, USA

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