March Weather in Nukunonu Tokelau

Daily high temperatures are around 83°F, rarely falling below 81°F or exceeding 85°F. The lowest daily average high temperature is 83°F on March 9.

Daily low temperatures are around 82°F, rarely falling below 80°F or exceeding 84°F. The lowest daily average low temperature is 82°F on March 9.

For reference, on May 18, the hottest day of the year, temperatures in Nukunonu typically range from 82°F to 83°F, while on August 10, the coldest day of the year, they range from 81°F to 83°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.

San Andrés, Colombia (6,373 miles away) is the far-away foreign place with temperatures most similar to Nukunonu (view comparison).

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The month of March in Nukunonu experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 80% throughout the month.

The clearest day of the month is March 27, with clear, mostly clear, or partly cloudy conditions 21% of the time.

For reference, on December 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on August 31, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 53%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Nukunonu, the chance of a wet day over the course of March is very rapidly decreasing, starting the month at 57% and ending it at 47%.

For reference, the year's highest daily chance of a wet day is 62% on January 4, and its lowest chance is 34% on September 3.

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 Nukunonu is very rapidly decreasing, starting the month at 10.1 inches, when it rarely exceeds 19.6 inches or falls below 2.6 inches, and ending the month at 6.0 inches, when it rarely exceeds 11.0 inches or falls below 1.5 inches.

Over the course of March in Nukunonu, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 15 minutes, implying an average daily decrease of 31 seconds, and weekly decrease of 3 minutes, 35 seconds.

The shortest day of the month is March 31, with 12 hours, 1 minute of daylight and the longest day is March 1, with 12 hours, 16 minutes of daylight.

The latest sunrise of the month in Nukunonu is 6:31 AM on March 9 and the earliest sunrise is 46 seconds earlier at 6:30 AM on March 31.

The latest sunset is 6:47 PM on March 1 and the earliest sunset is 16 minutes earlier at 6:31 PM on March 31.

Daylight saving time is not observed in Nukunonu during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:06 AM and sets 12 hours, 40 minutes later, at 6:45 PM, while on June 20, the shortest day of the year, it rises at 6:41 AM and sets 11 hours, 35 minutes later, at 6:16 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 Nukunonu is essentially constant during March, remaining around 100% throughout.

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 Nukunonu is decreasing during March, decreasing from 11.4 miles per hour to 10.2 miles per hour over the course of the month.

For reference, on July 27, the windiest day of the year, the daily average wind speed is 14.4 miles per hour, while on April 22, the calmest day of the year, the daily average wind speed is 9.6 miles per hour.

The hourly average wind direction in Nukunonu throughout March is predominantly from the east, with a peak proportion of 67% on March 31.

Nukunonu 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 Nukunonu is essentially constant during March, remaining around 85°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 Nukunonu 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 Nukunonu are very rapidly increasing during March, increasing by 958°F, from 7,862°F to 8,820°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 Nukunonu is essentially constant during March, remaining within 0.1 kWh of 4.8 kWh throughout.

For the purposes of this report, the geographical coordinates of Nukunonu are -9.200 deg latitude, -171.848 deg longitude, and 33 ft elevation.

The topography within 2 miles of Nukunonu is essentially flat, with a maximum elevation change of 66 feet and an average elevation above sea level of 1 feet. Within 10 miles is also essentially flat (66 feet). Within 50 miles is also essentially flat (69 feet).

The area within 2 miles of Nukunonu is covered by water (100%), within 10 miles by water (100%), and within 50 miles by water (100%).