This report describes the typical weather at the Kona International Airport (Kailua-Kona, Hawaii, United States) weather station over the course of an average March. It is based on the historical records from 1985 to 2012. Earlier records are either unavailable or unreliable.
Kailua-Kona, Hawaii has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by oceans and seas (100%).
The month of March is characterized by essentially constant daily high temperatures, with daily highs around 81°F throughout the month, exceeding 83°F or dropping below 78°F only one day in ten.
Over the course of March, the length of the day is gradually increasing. The shortest day of the month is March 1 with 11:46 hours of daylight; the longest day is March 31 with 12:20 hours of daylight.
The earliest sunrise is at 6:18am on March 31; the latest sunset is at 6:39pm on March 31; the latest sunrise is at 6:44am on March 1; the earliest sunset is at 6:29pm on March 1.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover ranges from 28% (mostly clear) to 38% (mostly clear). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 10% from the start to the end of the month.
On March 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 61% of the time, and overcast or mostly cloudy 26% of the time.
On March 31, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 42% of the time, and clear or mostly clear 44% of the time.
The average probability that some form of precipitation will be observed in a given day is 17%, with little variation over the course of the month.
Throughout March, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 68% of those days with precipitation. It is most likely around March 25, when it is observed during 12% of all days.
Moderate rain is the most severe precipitation observed during 18% of those days with precipitation. It is most likely around March 1, when it is observed during 4% of all days.
Either snow is exceptionally unlikely to fall at this location in March or this station does not reliably report precipitation types.
The relative humidity typically ranges from 66% (mildly humid) to 85% (very humid) over the course of a typical March, rarely dropping below 48% (comfortable) and reaching as high as 100% (very humid).
The air is driest around March 2, at which time the relative humidity drops below 75% (humid) three days out of four; it is most humid around March 21, rising above 76% (humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical March, the dew point typically varies from 59°F (comfortable) to 67°F (muggy) and is rarely below 54°F (very comfortable) or above 71°F (very muggy).
Over the course of March typical wind speeds vary from 2 mph to 14 mph (light air to moderate breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around March 5, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 9 mph (gentle breeze) occurs around March 30, at which time the average daily maximum wind speed is 14 mph (moderate breeze).