This report describes the typical weather at the Diego Aracena International Airport (Iquique, Chile) weather station over the course of an average March. It is based on the historical records from 1995 to 2012. Earlier records are either unavailable or unreliable.
Iquique has a cold desert climate. The area within 25 mi of this station is covered by oceans and seas (99%).
The month of March is characterized by gradually falling daily high temperatures, with daily highs around 75Â°F throughout the month, exceeding 79Â°F or dropping below 71Â°F only one day in ten.
Over the course of March, the length of the day is gradually decreasing. The shortest day of the month is March 31 with 11:54 hours of daylight; the longest day is March 1 with 12:29 hours of daylight.
The earliest sunrise is at 6:42am on March 12; the latest sunset is at 8:07pm on March 1; the latest sunrise is at 7:42am on March 10; the earliest sunset is at 6:41pm on March 31.
Daylight savings time is observed in 2012 but it neither starts nor ends in March, so the entire month is in daylight time.
The median cloud cover ranges from 17% (mostly clear) to 26% (mostly clear). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 9% from the start to the end of the month.
On March 16, a representative day, the sky is clear or mostly clear 46% of the time, partly cloudy 11% of the time, and mostly cloudy or overcast 11% of the time.
There is either very little precipitation at this location in March, or the weather station does not reliably report the conditions.
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 54% (mildly humid) to 83% (humid) over the course of a typical March, rarely dropping below 47% (comfortable), or exceeding 93% (very humid).
The air is driest around March 1, at which time the relative humidity drops below 58% (mildly humid) three days out of four; it is most humid around March 29, rising above 78% (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 55Â°F (very comfortable) to 62Â°F (mildy humid) and is rarely below 52Â°F (very comfortable) or above 66Â°F (muggy).
The time of the month between March 1 and March 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of March typical wind speeds vary from 0 mph to 18 mph (calm to fresh breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 10 mph (gentle breeze) occurs around March 1, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 9 mph (gentle breeze) occurs around March 31, at which time the average daily maximum wind speed is 17 mph (moderate breeze).