Spring Weather in Kiribati Kiribati

Daily high temperatures are around 85°F, rarely falling below 83°F or exceeding 87°F.

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

For reference, on June 7, the hottest day of the year, temperatures in Kiribati typically range from 78°F to 86°F, while on February 5, the coldest day of the year, they range from 77°F to 84°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 Kiribati experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 50% to 44%. The highest chance of overcast or mostly cloudy conditions is 56% on April 20.

The clearest day of the spring is May 31, with clear, mostly clear, or partly cloudy conditions 56% of the time.

For reference, on April 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 56%, while on August 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Kiribati, the chance of a wet day over the course of the spring is essentially constant, remaining around 27% throughout.

For reference, the year's highest daily chance of a wet day is 34% on April 18, and its lowest chance is 6% on September 6.

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 Kiribati is decreasing, starting the season at 2.8 inches, when it rarely exceeds 7.4 inches or falls below 0.1 inches, and ending the season at 2.1 inches, when it rarely exceeds 6.3 inches or falls below 0.1 inches.

The highest average 31-day accumulation is 3.1 inches on April 19.

Over the course of the spring in Kiribati, the length of the day is essentially constant. The shortest day of the spring is March 1, with 12 hours, 5 minutes of daylight and the longest day is May 31, with 12 hours, 12 minutes of daylight.

The latest sunrise of the spring in Kiribati is 8:37 AM on March 1 and the earliest sunrise is 19 minutes earlier at 8:18 AM on May 17.

The latest sunset is 8:42 PM on March 1 and the earliest sunset is 13 minutes earlier at 8:29 PM on May 10.

Daylight saving time is not observed in Kiribati during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 8:23 AM and sets 12 hours, 12 minutes later, at 8:35 PM, while on December 21, the shortest day of the year, it rises at 8:24 AM and sets 12 hours, 3 minutes later, at 8:27 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 Kiribati 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 Kiribati is rapidly decreasing during the spring, decreasing from 14.4 miles per hour to 12.0 miles per hour over the course of the season.

For reference, on January 12, the windiest day of the year, the daily average wind speed is 15.3 miles per hour, while on May 22, the calmest day of the year, the daily average wind speed is 11.9 miles per hour.

The lowest daily average wind speed during the spring is 11.9 miles per hour on May 26.

The hourly average wind direction in Kiribati throughout the spring is predominantly from the east, with a peak proportion of 94% on April 30.

Kiribati 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 Kiribati is gradually increasing during the spring, rising by 2°F, from 80°F to 82°F, over the course of the season.

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 Kiribati 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 Kiribati are very rapidly increasing during the spring, increasing by 2,800°F, from 1,804°F to 4,604°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 Kiribati is gradually decreasing during the spring, falling by 0.6 kWh, from 6.7 kWh to 6.1 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the spring is 5.9 kWh on April 20.

For the purposes of this report, the geographical coordinates of Kiribati are 1.421 deg latitude, 172.984 deg longitude, and 0 ft elevation.

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