March weather forecastHonolulu, HI
March
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
The coldest months are February and March, with an average high-temperature of 75°F (23.9°C).Humidity
The average relative humidity in March 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.Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 75.7°F (24.3°C) waters. (Olympic swimmers participate in waters ranging from 77°F (25°C) to 82.4°F (28°C).)
Daylight
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, in Honolulu, sunrise is at 6:24 am and sunset at 6:46 pm HST.
Sunshine
The average sunshine in March 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. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in March translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
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).
