March Weather in Oranjestad Aruba

Daily high temperatures are around 87°F, rarely falling below 84°F or exceeding 89°F.

Daily low temperatures are around 78°F, rarely falling below 75°F or exceeding 80°F.

For reference, on September 1, the hottest day of the year, temperatures in Oranjestad typically range from 81°F to 90°F, while on January 20, the coldest day of the year, they range from 77°F to 85°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on March. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Singapore (11,407 miles away) and Cortes, Philippines (10,575 miles) are the far-away foreign places with temperatures most similar to Oranjestad (view comparison).

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The month of March in Oranjestad experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 52% to 60%.

The clearest day of the month is March 1, with clear, mostly clear, or partly cloudy conditions 48% of the time.

For reference, on October 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on January 14, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 54%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Oranjestad, the chance of a wet day over the course of March is essentially constant, remaining around 2% throughout.

For reference, the year's highest daily chance of a wet day is 20% on November 24, and its lowest chance is 2% on March 21.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during March in Oranjestad is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.6 inches.

The lowest average 31-day accumulation is 0.1 inches on March 23.

Over the course of March in Oranjestad, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 21 minutes, implying an average daily increase of 42 seconds, and weekly increase of 4 minutes, 52 seconds.

The shortest day of the month is March 1, with 11 hours, 54 minutes of daylight and the longest day is March 31, with 12 hours, 15 minutes of daylight.

The latest sunrise of the month in Oranjestad is 6:55 AM on March 1 and the earliest sunrise is 19 minutes earlier at 6:36 AM on March 31.

The earliest sunset is 6:49 PM on March 1 and the latest sunset is 2 minutes, 13 seconds later at 6:51 PM on March 31.

Daylight saving time is not observed in Oranjestad during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:15 AM and sets 12 hours, 52 minutes later, at 7:07 PM, while on December 21, the shortest day of the year, it rises at 6:56 AM and sets 11 hours, 23 minutes later, at 6:20 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for March 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Oranjestad is essentially constant during March, remaining around 100% throughout.

For reference, on January 2, the muggiest day of the year, there are muggy conditions 100% of the time, while on March 7, the least muggy day of the year, there are muggy conditions 100% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Oranjestad is gradually decreasing during March, decreasing from 20.5 miles per hour to 20.0 miles per hour over the course of the month.

For reference, on June 15, the windiest day of the year, the daily average wind speed is 21.5 miles per hour, while on October 20, the calmest day of the year, the daily average wind speed is 15.3 miles per hour.

The hourly average wind direction in Oranjestad throughout March is predominantly from the east, with a peak proportion of 100% on March 3.

Oranjestad is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Oranjestad is essentially constant during March, remaining around 79°F throughout.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Oranjestad are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Oranjestad are very rapidly increasing during March, increasing by 923°F, from 1,816°F to 2,740°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Oranjestad is essentially constant during March, remaining within 0.1 kWh of 6.8 kWh throughout.

The highest average daily incident shortwave solar energy during March is 6.9 kWh on March 27.

For the purposes of this report, the geographical coordinates of Oranjestad are 12.524 deg latitude, -70.027 deg longitude, and 72 ft elevation.

The topography within 2 miles of Oranjestad contains only modest variations in elevation, with a maximum elevation change of 194 feet and an average elevation above sea level of 49 feet. Within 10 miles contains only modest variations in elevation (659 feet). Within 50 miles contains significant variations in elevation (2,575 feet).

The area within 2 miles of Oranjestad is covered by artificial surfaces (51%), water (28%), and grassland (11%), within 10 miles by water (84%), and within 50 miles by water (92%).