March weather forecast
Hanalei, HI

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The vast Taro farm fields in the valley of Hanalei, Hawaii, with beautiful cloudy skies and mountains
The vast Taro farm fields in the valley of Hanalei, Hawaii, with beautiful cloudy skies and mountains

Weather in March

March signals the arrival of spring in Hanalei, marking a noticeable increase in average temperatures and offering longer daylight hours. Along with longer hours of sunshine, the weather routine sees a more substantial difference in rainfall, peaking at 2.52" (64mm). This causes a perceivable humidity increase that is only enhanced in the next month. The dominance of lengthier days and increased rainfall gives March a unique weather pattern, dividing the year amidst mild temperature shifts.

Temperature

February and March are known as Hanalei's coldest months, with an average high-temperature of 73.2°F (22.9°C).

Humidity

In Hanalei, the average relative humidity in March 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

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater.
Note: The allure of a swim in 75.2°F (24°C) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 77°F (25°C) to 82.4°F (28°C).

Daylight

The average length of the day in March is 12h and 2min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of March, sunrise is at 6:30 am and sunset at 6:53 pm HST.

Sunshine

In Hanalei, 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. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during March morphs into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.

Frequently asked questions

What are the coldest months?

Hanalei's coldest season falls during February and March, averaging a high-temperature of 73.2°F (22.9°C).

What is the temperature in March?

The high-temperature, in March, in Hanalei, records 73.2°F (22.9°C), while the low-temperature is 68.9°F (20.5°C).

What is the average humidity in March?

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

What is the wettest month?

The month with the most rainfall 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 March?

In Hanalei, in March, it is raining for 18.6 days, with typically 2.52" (64mm) of accumulated precipitation.

When is the ocean coldest?

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater.

How warm is the water in March?

In Hanalei, in March, the average water 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 Hanalei have in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:53 pm HST.

How many hours of sunshine does Hanalei have in March?

The average sunshine duration in March is 7.5h.

When is the lowest UV index?

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

What is the UV index intensity in March?

The average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Hanalei, HI

Average temperature in March - Hanalei, 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).

Average pressure in March
Hanalei, HI

Average pressure in March - Hanalei, 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).

Average wind speed in March
Hanalei, HI

Average wind speed in March - Hanalei, 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).

Average humidity in March
Hanalei, HI

Average humidity in March - Hanalei, 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%).

Average rainfall in March
Hanalei, HI

Average rainfall in March - Hanalei, 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").

Average rainfall days in March
Hanalei, HI

Average rainfall days in March - Hanalei, 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).

Average sea temperature in March
Hanalei, HI

Average sea temperature in March - Hanalei, HI
  • Average sea temperature in March: 75°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in March / Average sunshine in March - Hanalei, 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).

Average sunshine days in March
Hanalei, HI

Average sunshine days in March - Hanalei, 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).

Average UV index in March
Hanalei, HI

Average UV index in March - Hanalei, 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).

Average cloud cover in March
Hanalei, HI

Average cloud cover in March - Hanalei, 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).

Average visibility in March
Hanalei, HI

Average visibility in March - Hanalei, 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).

Hanalei, Hawaii, USA

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