March weather forecast
Honolulu, HI

Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance

Weather in March

The month of March brings slight changes to the weather in Honolulu. As the days progress, the temperatures begin creeping upwards, affirming the arrival of warmer months ahead. The rainfall registers at 1.81" (46mm), marking March as the rainiest month, but daily sunshine remains consistent, ensuring plenty of sunbathing opportunities. Constant tropical breezes continue to cool down the warmer days. As the weather keeps transitioning, the delightful mix of sunshine and rain makes March a pleasant experience for both residents and tourists alike.

Temperature

Temperatures reach their minimum during February and March, recording an average high-temperature of 75°F (23.9°C).

Humidity

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

Rainfall

The wettest months are March and October, with an average 1.81" (46mm) of rainfall.

Ocean temperature

With an average ocean temperature of 75.7°F (24.3°C), March is the month with the coldest seawater in Honolulu.
Note: Your comfort in 75.7°F (24.3°C) waters hinges on your relationship with the cold, today's sunny disposition, wind patterns, and the air's temperature. For context, Olympic swimmers are no strangers to waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

In Honolulu, the average length of the day in March is 12h and 3min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:36 pm. On the last day of March, sunrise is at 6:24 am and sunset at 6:46 pm HST.

Sunshine

In March, the average sunshine in Honolulu is 8h.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Honolulu. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 6 in March translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
[Resources]

Frequently asked questions

What are the coldest months in Honolulu?

The coldest months in Honolulu, Hawaii, are February and March, with an average high-temperature of 75°F (23.9°C).

What is the temperature in March in Honolulu?

In Honolulu, 75°F (23.9°C) is the average high-temperature and 69.4°F (20.8°C) is the average low-temperature during March.

What is the average humidity in March in Honolulu?

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

What is the wettest month in Honolulu?

The wettest months in Honolulu are March and October, with an average 1.81" (46mm) of rainfall.

How many days does it rain in March in Honolulu?

In March, in Honolulu, the rain falls for 18 days. Throughout March, 1.81" (46mm) of precipitation is accumulated.

What month is the ocean coldest in Honolulu?

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

What is the ocean temperature in March in Honolulu?

In March, the average ocean temperature in Honolulu is 75.7°F (24.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.7°F (24.3°C) water may be enjoyable.

How many hours of daylight does Honolulu have in March?

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

What time are sunrise and sunset in March in Honolulu?

In March, on the first day of the month, sunrise is at 6:51 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 6:46 pm HST.

How many hours of sunshine does Honolulu have in March?

In Honolulu, the average sunshine duration in March is 8h.

When is the lowest UV index in Honolulu?

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

What is the UV index reading in March in Honolulu?

In Honolulu, Hawaii, the average daily maximum UV index in March is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
Feb
March
Apr
Average high temperature
75°F 23.9°C
75°F 23.9°C
76.6°F 24.8°C
Average low temperature
69.1°F 20.6°C
69.4°F 20.8°C
71.4°F 21.9°C
Average pressure
30.01" 762mmHg
30.05" 763mmHg
30.06" 764mmHg
Average wind speed
10mph 16.1km/h
11.2mph 18km/h
11mph 17.7km/h
Average max. wind speed
10.6mph 17.1km/h
11.7mph 18.8km/h
11.4mph 18.3km/h
Average wind speed gusts
13.8mph 22.2km/h
15.1mph 24.3km/h
14.5mph 23.3km/h
Average humidity
76%
75%
74%
Average rainfall
1.42" 36mm
1.81" 46mm
1.02" 26mm
Average rainfall days
15.7
18
17.3
Average sea temperature
75.9°F 24.4°C
75.7°F 24.3°C
76.8°F 24.9°C
Average daylight
11h 3min
12h 0min
12h 4min
Average sunshine
8h 1min
8h 0min
8h 2min
Average sunshine days
8.7
8.3
8.3
Average UV index
6
6
6
Average cloud cover
38%
40%
38%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in March
Honolulu, HI

Average temperature in March - Honolulu, HI
  • Average high temperature in March: 75°F

The warmest month (with the highest average high temperature) is September (81.5°F).
The months with the lowest average high temperature are February and March (75°F).

  • Average low temperature in March: 69.4°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).

[Resources]

Average pressure in March
Honolulu, HI

Average pressure in March - Honolulu, 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).

[Resources]

Average wind speed in March
Honolulu, HI

Average wind speed in March - Honolulu, HI
  • Average wind speed in March: 11.2mph

The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).

[Resources]

Average humidity in March
Honolulu, HI

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

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, September and November (74%).

[Resources]

Average rainfall in March
Honolulu, HI

Average rainfall in March - Honolulu, HI
  • Average rainfall in March: 1.81"

The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").

[Resources]

Average rainfall days in March
Honolulu, HI

Average rainfall days in March - Honolulu, HI
  • Average rainfall days in March: 18 days

The months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).

[Resources]

Average sea temperature in March
Honolulu, HI

Average sea temperature in March - Honolulu, 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).

[Resources]

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

Average daylight in March / Average sunshine in March - Honolulu, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in March
Honolulu, HI

Average sunshine days in March - Honolulu, HI
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).

[Resources]

Average UV index in March
Honolulu, HI

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

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

[Resources]

Average cloud cover in March
Honolulu, HI

Average cloud cover in March - Honolulu, HI
  • Average cloud cover in March: 40

The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are January and September (Cloud cover 33).

[Resources]

Average visibility in March
Honolulu, HI

Average visibility in March - Honolulu, 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).

[Resources]

Honolulu, Hawaii, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location