Spring Weather in Micronesia Micronesia

Daily high temperatures are around 86°F, rarely falling below 84°F or exceeding 89°F. The highest daily average high temperature is 87°F on May 26.

Daily low temperatures are around 79°F, rarely falling below 77°F or exceeding 82°F. The highest daily average low temperature is 80°F on April 25.

For reference, on October 12, the hottest day of the year, temperatures in Micronesia typically range from 78°F to 87°F, while on August 12, the coldest day of the year, they range from 78°F to 86°F.

The figure below shows you a compact characterization of the hourly average spring temperatures. 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.

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The spring in Micronesia experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 79% to 85%.

The clearest day of the spring is March 14, with clear, mostly clear, or partly cloudy conditions 22% of the time.

For reference, on October 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 87%, while on February 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 23%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Micronesia, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 47% and ending it at 69%.

For reference, the year's highest daily chance of a wet day is 78% on August 8, and its lowest chance is 45% on February 24.

Rainfall

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

The average sliding 31-day rainfall during the spring in Micronesia is very rapidly increasing, starting the season at 6.4 inches, when it rarely exceeds 12.7 inches or falls below 0.4 inches, and ending the season at 8.8 inches, when it rarely exceeds 14.5 inches or falls below 3.9 inches.

Over the course of the spring in Micronesia, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 30 minutes, implying an average daily increase of 20 seconds, and weekly increase of 2 minutes, 20 seconds.

The shortest day of the spring is March 1, with 11 hours, 59 minutes of daylight and the longest day is May 31, with 12 hours, 30 minutes of daylight.

The latest sunrise of the spring in Micronesia is 5:39 AM on March 1 and the earliest sunrise is 30 minutes earlier at 5:10 AM on May 26.

The earliest sunset is 5:35 PM on April 23 and the latest sunset is 5 minutes later at 5:39 PM on May 31.

Daylight saving time is not observed in Micronesia during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:13 AM and sets 12 hours, 32 minutes later, at 5:44 PM, while on December 21, the shortest day of the year, it rises at 5:33 AM and sets 11 hours, 43 minutes later, at 5:17 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 the spring of 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 Micronesia is essentially constant during the spring, 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 Micronesia is very rapidly decreasing during the spring, decreasing from 16.4 miles per hour to 11.2 miles per hour over the course of the season.

For reference, on February 3, the windiest day of the year, the daily average wind speed is 17.1 miles per hour, while on July 22, the calmest day of the year, the daily average wind speed is 8.6 miles per hour.

The hourly average wind direction in Micronesia throughout the spring is predominantly from the east, with a peak proportion of 88% on March 1.

Micronesia 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 Micronesia is essentially constant during the spring, remaining within 1°F of 84°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 Micronesia 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 Micronesia are very rapidly increasing during the spring, increasing by 2,925°F, from 1,903°F to 4,828°F, over the course of the season.

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 Micronesia is rapidly decreasing during the spring, falling by 1.7 kWh, from 6.0 kWh to 4.3 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the spring is 6.0 kWh on March 15.

For the purposes of this report, the geographical coordinates of Micronesia are 6.924 deg latitude, 158.162 deg longitude, and 0 ft elevation.

The topography within 2 miles of Micronesia is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Micronesia is covered by water (96%), within 10 miles by water (95%), and within 50 miles by water (100%).