April 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 76°F or exceeding 79°F.

For reference, on June 8, 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 temperatures for the quarter of the year centered on April. 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 month of April in Kiribati experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 55% throughout the month. The highest chance of overcast or mostly cloudy conditions is 56% on April 21.

The clearest day of the month is April 1, with clear, mostly clear, or partly cloudy conditions 47% of the time.

For reference, on April 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 56%, while on August 26, 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 April is gradually increasing, starting the month at 26% and ending it at 30%.

For reference, the year's highest daily chance of a wet day is 34% on April 19, and its lowest chance is 6% on September 7.

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 April in Kiribati is essentially constant, remaining about 2.9 inches throughout, and rarely exceeding 6.8 inches or falling below 0.3 inches.

The highest average 31-day accumulation is 3.1 inches on April 20.

Over the course of April in Kiribati, the length of the day is essentially constant. The shortest day of the month is April 1, with 12 hours, 7 minutes of daylight and the longest day is April 30, with 12 hours, 10 minutes of daylight.

The latest sunrise of the month in Kiribati is 8:28 AM on April 1 and the earliest sunrise is 8 minutes earlier at 8:20 AM on April 30.

The latest sunset is 8:35 PM on April 1 and the earliest sunset is 6 minutes earlier at 8:30 PM on April 30.

Daylight saving time is not observed in Kiribati during 2026.

For reference, on June 21, 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 April 2026. 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 April, 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 gradually decreasing during April, decreasing from 13.3 miles per hour to 12.5 miles per hour over the course of the month.

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 23, the calmest day of the year, the daily average wind speed is 11.9 miles per hour.

The hourly average wind direction in Kiribati throughout April 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 essentially constant during April, remaining around 81°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 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 rapidly increasing during April, increasing by 893°F, from 2,745°F to 3,638°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 Kiribati is essentially constant during April, remaining within 0.2 kWh of 6.0 kWh throughout.

The lowest average daily incident shortwave solar energy during April is 5.9 kWh on April 21.

For the purposes of this report, the geographical coordinates of Kiribati are 1.421 deg latitude, 172.984 deg longitude, and 20 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 (62 feet). Within 50 miles is also essentially flat (92 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%).